Lolbin Runexehelper Use As Proxy

calendar Nov 2, 2023 · attack.defense_evasion attack.t1218  ·
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Detect usage of the "runexehelper.exe" binary as a proxy to launch other programs

Sigma rule (View on GitHub)

 1title: Lolbin Runexehelper Use As Proxy
 2id: cd71385d-fd9b-4691-9b98-2b1f7e508714
 3status: test
 4description: Detect usage of the "runexehelper.exe" binary as a proxy to launch other programs
 5references:
 6    - https://twitter.com/0gtweet/status/1206692239839289344
 7    - https://lolbas-project.github.io/lolbas/Binaries/Runexehelper/
 8author: frack113
 9date: 2022/12/29
10tags:
11    - attack.defense_evasion
12    - attack.t1218
13logsource:
14    category: process_creation
15    product: windows
16detection:
17    selection:
18        ParentImage|endswith: '\runexehelper.exe'
19    condition: selection
20falsepositives:
21    - Unknown
22level: medium

References

  • Something went wrong, but don’t fret — let’s give it another shot.


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  • Runexehelper | LOLBAS

    Launches the specified exe. Prerequisites: (1) diagtrack_action_output environment variable must be set to an existing, writable folder; (2) runexewithargs_output.txt file cannot exist in the folde...


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