Commit Graph

248 Commits

Author SHA1 Message Date
SILJAEUROPA a7fc610b70 Merge PR #4452 from @SILJAEUROPA - Add New Rules To AddInUtil Potential Abuse
new: Network Connection Initiated By AddinUtil.EXE
new: Suspicious AddinUtil.EXE CommandLine Execution
new: Uncommon Child Process Of AddinUtil.EXE
new: Uncommon AddinUtil.EXE CommandLine Execution
new: AddinUtil.EXE Execution From Uncommon Directory

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Co-authored-by: Nasreddine Bencherchali <8741929+nasbench@users.noreply.github.com>
Co-authored-by: phantinuss <79651203+phantinuss@users.noreply.github.com>
2023-10-05 13:07:50 +02:00
Nasreddine Bencherchali e230acd7ed Merge PR #4427 from @nasbench - Multiple Fixes & Enhancements
new: Application Terminated Via Wmic.EXE
new: Browser Execution In Headless Mode
new: Chromium Browser Headless Execution To Mockbin Like Site
new: DarkGate User Created Via Net.EXE
new: DMP/HDMP File Creation
new: Malicious Driver Load
new: Malicious Driver Load By Name
new: Potentially Suspicious DMP/HDMP File Creation
new: Remote DLL Load Via Rundll32.EXE
new: Renamed CURL.EXE Execution
new: Vulnerable Driver Load
new: Vulnerable Driver Load By Name
update: 7Zip Compressing Dump Files - Increase coverage
update: Amsi.DLL Loaded Via LOLBIN Process - Reduce level to `medium`
update: COM Hijack via Sdclt - Fix Logic
update: Copy .DMP/.DUMP Files From Remote Share Via Cmd.EXE - Increase coverage
update: Creation of an Executable by an Executable - Fix FP
update: DLL Load By System Process From Suspicious Locations - Reduce level to `medium`
update: DNS Query Request By Regsvr32.EXE - Reduce level to `medium`
update: DNS Query To MEGA Hosting Website - DNS Client - Update title and reduce level to `medium`
update: DNS Query To MEGA Hosting Website - Reduce level to `low` and update metadata
update: DNS Query To Remote Access Software Domain From Non-Browser App - Increase coverage with new domains
update: DNS Query To Ufile.io - DNS Client - Update title and reduce level to `low`
update: DNS Query To Ufile.io - Update title and reduce level to `low`
update: DNS Query Tor .Onion Address - Sysmon - Update title
update: DNS Server Discovery Via LDAP Query - Reduce level to `low` and update FP filters
update: DriverQuery.EXE Execution - Increase coverage
update: File Download From Browser Process Via Inline Link
update: Greedy File Deletion Using Del - Increase coverage
update: Leviathan Registry Key Activity - Fix logic
update: Network Connection Initiated By Regsvr32.EXE - Reduce level to `medium` and metadata update
update: Non Interactive PowerShell Process Spawned - Increase coverage
update: OceanLotus Registry Activity - Fix Logic
update: Office Application Startup - Office Test - Fix Logic
update: OneNote Attachment File Dropped In Suspicious Location - Fix FP
update: Potential Dead Drop Resolvers - Increase coverage with new domains
update: Potential Persistence Via COM Hijacking From Suspicious Locations - Increase coverage and fix logic
update: Potential Persistence Via COM Search Order Hijacking - Fix Logic
update: Potential Process Hollowing Activity - Update FP filters
update: Potential Recon Activity Using DriverQuery.EXE - Increase coverage
update: Potential Unquoted Service Path Reconnaissance Via Wmic.EXE - Reduce level to `medium`
update: Potentially Suspicious Event Viewer Child Process - Update metadata
update: PowerShell Initiated Network Connection - Update description
update: PowerShell Module File Created By Non-PowerShell Process - Fix FP
update: PsExec Tool Execution From Suspicious Locations - PipeName - Reduce level to `medium`
update: Python Image Load By Non-Python Process - Update description and title
update: Python Initiated Connection - Update FP filter
update: Remote Thread Creation By Uncommon Source Image - Update FP filter
update: Renamed AutoIt Execution - Increase coverage
update: Suspicious Chromium Browser Instance Executed With Custom Extensions - Increase coverage
update: Suspicious WebDav Client Execution Via Rundll32.EXE - New Title
update: Sysinternals Tools AppX Versions Execution - Reduce level to `low`
update: Sysmon Blocked Executable - Update logsource
update: UAC Bypass via Event Viewer - Fix Logic
update: UNC2452 Process Creation Patterns - Fix logic
update: Usage Of Malicious POORTRY Signed Driver - Deprecated
update: Vulnerable AVAST Anti Rootkit Driver Load - Deprecated
update: Vulnerable Dell BIOS Update Driver Load - Deprecated
update: Vulnerable Driver Load By Name - Deprecated
update: Vulnerable GIGABYTE Driver Load - Deprecated
update: Vulnerable HW Driver Load - Deprecated
update: Vulnerable Lenovo Driver Load - Deprecated
update: WebDav Client Execution Via Rundll32.EXE
update: Windows Update Error - Reduce level to `informational` and status to `stable`
update: Winrar Compressing Dump Files - Increase Coverage

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Co-authored-by: phantinuss <79651203+phantinuss@users.noreply.github.com>
2023-10-04 19:06:57 +02:00
phantinuss 2a463fb7ea Merge PR #4462 From @phantinuss - Fix FP With Unknown Process
fix: Suspicious Epmap Connection - FP with unknown process
2023-09-28 11:13:34 +02:00
phantinuss 6aaa439586 Merge PR #4431 from @phantinuss - Fix False Positives Found In Testing
fix: Potential Dead Drop Resolvers - FP with chrome/FF being installed in appdata
fix: Suspicious Elevated System Shell - update FP for improved script that causes a FP
2023-09-08 11:31:22 +02:00
phantinuss 34de84608d Merge PR #4412 from @phantinuss
fix: Suspicious Epmap Connection - Fix false positives found with null and empty values
2023-09-07 16:16:40 +02:00
Tessa Georgen 60b8e9b70f Merge PR #4392 from @tjgeorgen - Update MITRE Tags
- update: update MITRE tags for multiple rules

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Co-authored-by: Nasreddine Bencherchali <8741929+nasbench@users.noreply.github.com>
2023-08-28 16:53:27 +02:00
Nasreddine Bencherchali c39581217a feat: update rules using file sharing domains 2023-08-17 13:39:59 +02:00
Nasreddine Bencherchali b20e7b449c feat: rules update 2023-07-26 10:56:18 +02:00
Nasreddine Bencherchali f7acf07882 Merge branch 'SigmaHQ:master' into new-rules-13-07-23 2023-07-20 13:51:48 +02:00
Nasreddine Bencherchali 73f44e61d1 feat: add more rules 2023-07-20 13:47:30 +02:00
phantinuss b99089e252 fix: typo 2023-07-17 13:57:27 +02:00
Nasreddine Bencherchali 8726f310e7 chore: update metadata 2023-07-13 23:30:16 +02:00
Mohamed Ashraf (X__Junior) c10a6c9870 Create net_connection_win_office.yml 2023-07-13 19:23:38 +03:00
Nasreddine Bencherchali 7ecbf44bf6 feat: update clickonce rules 2023-06-12 23:52:40 +02:00
Nasreddine Bencherchali 7b662b7c3d feat: add new rules related to small sieve 2023-05-19 02:34:01 +02:00
Nasreddine Bencherchali 0cb01970e7 feat: new rules, updates and goofy guineapig stuff (#4229) 2023-05-15 15:53:39 +02:00
Nasreddine Bencherchali 231c2eccab fix: filter names and title 2023-05-09 20:54:55 +02:00
Nasreddine Bencherchali 91daec6d37 fix: single list element 2023-05-09 01:40:54 +02:00
Nasreddine Bencherchali 3767682f19 fix: metadata update 2023-05-09 01:38:28 +02:00
Gavin Knapp 063bb57dfd Update net_connection_win_notion.yaml
Note to self: Leave commits until the morning when working late 🙃🤣.

Removed test user from install path.
2023-05-04 07:52:48 +01:00
Gavin Knapp c11b69b8f5 Rename net_connection_win_notion.yml to net_connection_win_notion.yaml
Corrected fileame error
2023-05-04 01:50:25 +01:00
Gavin Knapp 401d71d9d3 Create net_connection_win_notion.yml
created a rule to detecdt possible C2 coms using Notion SaaS as the C2 endpoint.
2023-05-03 23:29:26 +01:00
Gavin Knapp 859d30c50c feat: new rule net_connection_win_google_api_non_browser_access.yml (#4212) 2023-05-03 10:32:28 +02:00
Nasreddine Bencherchali b8c587aff3 feat: add new rules related to coldsteel 2023-05-02 19:02:53 +02:00
Nasreddine Bencherchali 64648f9e28 Update net_connection_win_winlogon_net_connections.yml 2023-04-28 16:39:04 +02:00
Nasreddine Bencherchali 5ff0f2a215 fix: small updates 2023-04-28 16:38:32 +02:00
securepeacock 9ddbb2be8b Update net_connection_win_winlogon_net_connections.yml 2023-04-28 10:30:08 -04:00
securepeacock 7355f2a54d Create net_connection_win_winlogon_net_connections.yml 2023-04-28 10:06:17 -04:00
BlueTeamOps 1c333860ee feat: new rule Suspicious Network Connection to IP Lookup Service APIs 2023-04-24 17:30:57 +02:00
Nasreddine Bencherchali b851734126 chore: move 3cx related rules 2023-04-21 15:00:35 +02:00
Tess 6cb4dd9e5a remove duplicate references from rule 2023-04-20 10:47:06 -04:00
phantinuss 7f056da95b fix: FPs found in different environments 2023-04-20 09:48:47 +02:00
Nasreddine Bencherchali 08e3089c64 fix: update hostname field 2023-04-19 16:16:06 +02:00
Nasreddine Bencherchali 9a2ee48ef8 feat: update multiple rules 2023-04-18 18:08:08 +02:00
Nasreddine Bencherchali 4e7bb74d43 feat: update browsers selections and filters 2023-04-18 18:05:08 +02:00
Nasreddine Bencherchali 5138fef3e5 feat: update 3cx compromise related rules (#4156) 2023-03-31 15:01:41 +02:00
Arnim Rupp b2e9b47e91 feat: add new domain to rules related to 3CX compromise (#4154) 2023-03-30 13:18:11 +02:00
Nasreddine Bencherchali c08a50758b feat: update 2023-03-29 18:59:24 +02:00
Nasreddine Bencherchali f0555380ca feat: new compromised 3cx rules 2023-03-29 18:41:34 +02:00
Nasreddine Bencherchali bf148ad0ac fix: fp found in testing 2023-03-21 16:32:46 +01:00
m4nbat ae469ddefe New rules added for LockBit and Reddit used for C2. (#4045) 2023-02-20 12:07:02 +01:00
Nasreddine Bencherchali a19a75b0b0 fix: resolves #4015 2023-02-07 14:33:56 +01:00
Wagga 273fdb9985 fix: typos in multiple rules (#4011) 2023-02-06 13:53:23 +01:00
Florian Roth 88c028f925 fix: FPs with cloudapp 2023-02-05 11:14:05 +01:00
Nasreddine Bencherchali 5d769b7b19 Merge branch 'SigmaHQ:master' into nasbench-rule-devel 2023-02-01 17:10:00 +01:00
Nasreddine Bencherchali 7c38a5c496 chore: add nextron authors tag 2023-02-01 11:14:59 +01:00
Nasreddine Bencherchali 9c0eae7590 fix: remove kerberos generic filters 2023-01-31 22:18:32 +01:00
frack113 1033b3f404 change status to test 2023-01-27 06:48:34 +01:00
frack113 cb67871bd2 Revert "Change status of old rules" 2023-01-26 19:37:18 +01:00
frack113 5323fd4baa Change status of old rules 2023-01-25 18:41:18 +01:00