Windows Redcannary

rules/windows/file_event/win_fe_csharp_compile_artefact.yml

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+title: Dynamic C Sharp Compile Artefact
+id: e4a74e34-ecde-4aab-b2fb-9112dd01aed0
+status: experimental
+description: |
+  When C# is compiled dynamically, a .cmdline file will be created as a part of the process.
+  Certain processes are not typically observed compiling C# code, but can do so without touching disk.
+  This can be used to unpack a payload for execution
+author: frack113
+references:
+  - https://github.com/redcanaryco/atomic-red-team/blob/master/atomics/T1027.004/T1027.004.md#atomic-test-2---dynamic-c-compile
+date: 2022/01/09
+logsource:
+  product: windows
+  category: file_event
+detection:
+  selection:
+    TargetFilename|endswith: '.cmdline'
+  condition: selection
+falsepositives:
+  - Unknown
+level: medium
+tags:
+  - attack.defense_evasion
+  - attack.t1027.004

rules/windows/powershell/powershell_script/posh_ps_suspicious_iofilestream.yml

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+title: Suspicious IO.FileStream
+id: 70ad982f-67c8-40e0-a955-b920c2fa05cb
+status: experimental
+description: open a handle on the drive volume via the \\.\ DOS device path specifier and perform direct access read of the first few bytes of the volume.
+date: 2022/01/09
+author: frack113
+references:
+    - https://github.com/redcanaryco/atomic-red-team/blob/master/atomics/T1006/T1006.md
+logsource:
+    product: windows
+    category: ps_script
+    definition: Script block logging must be enabled
+detection:
+    selection:
+        ScriptBlockText|contains|all:
+            - New-Object 
+            - IO.FileStream
+            - '"\\.\'
+    condition: selection
+falsepositives:
+    - Legitimate PowerShell scripts
+level: medium
+tags:
+    - attack.defense_evasion
+    - attack.t1070.003

rules/windows/process_creation/win_pc_iis_http_logging.yml

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+title: Disable Windows IIS HTTP Logging
+id: e4ed6030-ffe5-4e6a-8a8a-ab3c1ab9d94e
+status: experimental
+description: Disables HTTP logging on a Windows IIS web server as seen by Threat Group 3390 (Bronze Union)
+author: frack113
+references:
+    - https://github.com/redcanaryco/atomic-red-team/blob/master/atomics/T1562.002/T1562.002.md#atomic-test-1---disable-windows-iis-http-logging
+date: 2022/01/09
+logsource:
+    category: process_creation
+    product: windows
+detection:
+    selection:
+        Image|endswith: \appcmd.exe
+        CommandLine|contains|all: 
+            - set 
+            - config 
+            - '/section:httplogging'
+            - '/dontLog:true'
+    condition: selection
+falsepositives:
+    - Unknown
+level: medium
+tags:
+    - attack.defense_evasion
+    - attack.t1562.002