Threat Huntmediumtest
Access To Sysvol Policies Share By Uncommon Process
Detects file access requests to the Windows Sysvol Policies Share by uncommon processes
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Hunting Hypothesis
Log Source
Windowsfile_access
ProductWindows← raw: windows
Categoryfile_access← raw: file_access
Definition
Requirements: Microsoft-Windows-Kernel-File ETW provider
Detection Logic
Detection Logic2 selectors
detection:
selection:
FileName|startswith: '\\'
FileName|contains|all:
- '\sysvol\'
- '\Policies\'
filter_main_generic:
Image|contains:
- ':\Program Files (x86)\'
- ':\Program Files\'
- ':\Windows\explorer.exe'
- ':\Windows\system32\'
- ':\Windows\SysWOW64\'
condition: selection and not 1 of filter_main_*False Positives
Unknown
False positive likelihood has not been assessed. Additional context may be needed during triage.
References
MITRE ATT&CK
Tactics
Sub-techniques
Other
detection.threat-hunting
Rule Metadata
Rule ID
8344c19f-a023-45ff-ad63-a01c5396aea0
Status
test
Level
medium
Type
Threat Hunt
Created
Thu Dec 21
Author
Path
rules-threat-hunting/windows/file/file_access/file_access_win_susp_gpo_access_uncommon_process.yml
Raw Tags
attack.credential-accessattack.t1552.006detection.threat-hunting