Sigma rule: UAC Bypass Using WOW64 Logger DLL Hijack

A detection rule from the SigmaHQ repository, shown as its author published it. Dataset version ref-b57e856182e3, updated 2022-10-09T00:00:00.000Z.

Rule

Title
UAC Bypass Using WOW64 Logger DLL Hijack
Status
test
Level
high
Author
Christian Burkard (Nextron Systems)
Date
2021-08-23
Modified
2022-10-09
File
rules/windows/process_access/proc_access_win_uac_bypass_wow64_logger.yml
Commit
ccbb0369507f796db0b0ae6854c8a2be471b9d84

Detects the pattern of UAC Bypass using a WoW64 logger DLL hijack (UACMe 30)

Log source

product
windows
category
process_access

Detection

selection:
    SourceImage|contains: ':\Windows\SysWOW64\'
    GrantedAccess: '0x1fffff'
    CallTrace|startswith: 'UNKNOWN(0000000000000000)|UNKNOWN(0000000000000000)|'
condition: selection

False positives (as the rule lists them)

  • Unknown

Tags

  • attack.privilege-escalation
  • attack.t1548.002

MITRE ATT&CK ids this rule names

References

Read on 2026-11-03T00:58:21.399Z under licence sigma-drl-1.1@d5f4c36a from https://github.com/SigmaHQ/sigma/blob/ccbb0369507f796db0b0ae6854c8a2be471b9d84/rules/windows/process_access/proc_access_win_uac_bypass_wow64_logger.yml

Sources and licences

  • SigmaHQ

    "UAC Bypass Using WOW64 Logger DLL Hijack" by Christian Burkard (Nextron Systems) (SigmaHQ). Rule: https://github.com/SigmaHQ/sigma/blob/ccbb0369507f796db0b0ae6854c8a2be471b9d84/rules/windows/process_access/proc_access_win_uac_bypass_wow64_logger.yml.
    Licensed under the Detection Rule License (DRL) 1.1: https://github.com/SigmaHQ/Detection-Rule-License

    Detection Rule License (DRL) 1.1

Cite this page

Dragons Eye Ransomware Tracker, "Sigma rule: UAC Bypass Using WOW64 Logger DLL Hijack",
entity page, dataset version ref-b57e856182e3, updated 2022-10-09T00:00:00.000Z,
https://ransomware-tracker.com/detections/sigma/4f6c43e2-f989-4ea5-bcd8-843b49a0317c (accessed 2026-11-03).
Underlying source: SigmaHQ rule 4f6c43e2-f989-4ea5-bcd8-843b49a0317c, commit ccbb0369507f796db0b0ae6854c8a2be471b9d84.

Pages change. The dataset version identifies the data, but no archive of old versions is kept, so this citation cannot be replayed later.