Suspicious Runscripthelper.exe

calendar Mar 2, 2023 · attack.execution attack.t1059 attack.defense_evasion attack.t1202  ·
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Detects execution of powershell scripts via Runscripthelper.exe

Sigma rule (View on GitHub)

 1title: Suspicious Runscripthelper.exe
 2id: eca49c87-8a75-4f13-9c73-a5a29e845f03
 3status: test
 4description: Detects execution of powershell scripts via Runscripthelper.exe
 5references:
 6    - https://lolbas-project.github.io/lolbas/Binaries/Runscripthelper/
 7author: Victor Sergeev, oscd.community
 8date: 2020/10/09
 9modified: 2022/07/11
10tags:
11    - attack.execution
12    - attack.t1059
13    - attack.defense_evasion
14    - attack.t1202
15logsource:
16    category: process_creation
17    product: windows
18detection:
19    selection:
20        Image|endswith: '\Runscripthelper.exe'
21        CommandLine|contains: 'surfacecheck'
22    condition: selection
23fields:
24    - CommandLine
25falsepositives:
26    - Unknown
27level: medium

References

  • Runscripthelper | LOLBAS

    Execute the PowerShell script named test.txt runscripthelper.exe surfacecheck \\?\C:\Test\Microsoft\Diagnosis\scripts\test.txt C:\Test Use caseBypass constrained language mode and execute Powershel...


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