Mount Execution With Hidepid Parameter

calendar May 20, 2025 · attack.credential-access attack.defense-evasion attack.t1564  ·
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Detects execution of the "mount" command with "hidepid" parameter to make invisible processes to other users from the system

Sigma rule (View on GitHub)

 1title: Mount Execution With Hidepid Parameter
 2id: ec52985a-d024-41e3-8ff6-14169039a0b3
 3status: test
 4description: Detects execution of the "mount" command with "hidepid" parameter to make invisible processes to other users from the system
 5references:
 6    - https://blogs.blackberry.com/
 7    - https://www.cyberciti.biz/faq/linux-hide-processes-from-other-users/
 8    - https://twitter.com/Joseliyo_Jstnk/status/1620131033474822144
 9author: Joseliyo Sanchez, @Joseliyo_Jstnk
10date: 2023-01-12
11tags:
12    - attack.credential-access
13    - attack.defense-evasion
14    - attack.t1564
15logsource:
16    product: linux
17    category: process_creation
18detection:
19    selection:
20        Image|endswith: '/mount'
21        CommandLine|contains|all:
22            - 'hidepid=2'
23            - ' -o '
24    condition: selection
25falsepositives:
26    - Unknown
27level: medium

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