MMC Executing Files with Reversed Extensions Using RTLO Abuse

sigmaDRL-1.1from SigmaHQ/sigma

Detects malicious behavior where the MMC utility (`mmc.exe`) executes files with reversed extensions caused by Right-to-Left Override (RLO) abuse, disguising them as document formats.

quality82

fp risk—

forks0

ATT&CK techniques

T1204.002 T1218.014 T1036.002

rule sourcelocked

title: ████████████████████████
id: ████████-████-████-████-████████████
status: ██████████
description: ██████████████████████████████████████████
             ████████████████████████████████████████
author: ████████
tags:
  - attack.████
  - attack.████
logsource:
  product: ████████
  category: ████████████
detection:
  selection:
    Image|endswith: '████████████████'
    CommandLine|contains:
      - '████████████████████████'
      - '████████████████████████'
      - '██████████████████'
  condition: selection
level: ████████
falsepositives:
  - ████████████████████

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