Gatekeeper Bypass via Xattr

 1title: Gatekeeper Bypass via Xattr
 2id: f5141b6d-9f42-41c6-a7bf-2a780678b29b
 3status: test
 4description: Detects macOS Gatekeeper bypass via xattr utility
 5references:
 6    - https://github.com/redcanaryco/atomic-red-team/blob/1fed40dc7e48f16ed44dcdd9c73b9222a70cca85/atomics/T1553.001/T1553.001.md
 7    - https://www.loobins.io/binaries/xattr/
 8author: Daniil Yugoslavskiy, oscd.community
 9date: 2020-10-19
10modified: 2024-04-18
11tags:
12    - attack.defense-evasion
13    - attack.t1553.001
14logsource:
15    category: process_creation
16    product: macos
17detection:
18    selection:
19        Image|endswith: '/xattr'
20        CommandLine|contains|all:
21            - '-d'
22            - 'com.apple.quarantine'
23    condition: selection
24falsepositives:
25    - Legitimate activities
26level: low

References

• atomic-red-team/atomics/T1553.001/T1553.001.md at 1fed40dc7e48f16ed44dcdd9c73b9222a70cca85 · redcanaryco/atomic-red-team

  

  Small and highly portable detection tests based on MITRE's ATT&CK. - redcanaryco/atomic-red-team

  
  Read More

• xattr

  

  Display and manipulate extended attributes.

  
  Read More

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