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Update proc_creation_win_expand_cabinet_files.yml #5075

Closed MalGamy12 closed 5 days ago

MalGamy12 commented 1 week ago

Summary of the Pull Request

Update proc_creation_win_expand to refine detection for suspicious cabinet file expansion behavior.

Changelog

update: Potentially Suspicious Cabinet File Expansion - Add new paths for built-in shares

Example Log Event

RuleName: -
UtcTime: 2024-11-10 12:22:35.429
ProcessGuid: {6e6be129-a58b-6730-e30b-000000001500}
ProcessId: 5800
Image: C:\Windows\System32\expand.exe
FileVersion: 5.00 (WinBuild.160101.0800)
Description: LZ Expansion Utility
Product: Microsoft® Windows® Operating System
Company: Microsoft Corporation
OriginalFileName: expand
CommandLine: expand  -f:* \\{HostName}\c$\programdata\microsoft\drm\go4.cab \\{HostName}\c$\programdata\microsoft\drm
CurrentDirectory: 
User: 
LogonGuid: {6e6be129-268c-6729-ecfc-1d0000000000}
LogonId: 0x1DFCEC
TerminalSessionId: 1
IntegrityLevel: High
Hashes: MD5=3080AD9250254478269B486EC15C25FF,SHA256=210A43646B58A60035CEDC30281F3414DD6A551A62255AAC7EF828C5D7EA46CE,IMPHASH=8BB8291E08A891E3DCA4B595B2F1D718
ParentProcessGuid: {6e6be129-a58b-6730-e20b-000000001500}
ParentProcessId: 2072
ParentImage: C:\Windows\System32\cmd.exe
ParentCommandLine: cmd.exe  /C expand -f:* \\{HostName}\c$\programdata\microsoft\drm\go4.cab \\{HostName}\c$\programdata\microsoft\drm
ParentUser: 
### SigmaHQ Rule Creation Conventions