Svchost Not Matching Normal Execution Parameters

 1title: Svchost Not Matching Normal Execution Parameters
 2id: 036c727d-0263-4733-ad60-d5f48dc72144
 3status: experimental
 4description: Looks for the execution of svchost without the normal -k parameter. Inspired
 5    by the 2022 Red Canary Threat Detection report.
 6references:
 7    - https://redcanary.com/threat-detection-report/techniques/match-legitimate-name-or-location/
 8author: Micah Babinski
 9date: 2022/11/04
10tags:
11    - attack.defense_evasion
12    - attack.t1036
13    - attack.t1036.005
14logsource:
15    category: process_creation
16    product: windows
17detection:
18    selection:
19        Image|endswith: '\svchost.exe'
20    filter:
21        CommandLine|contains: '-k'
22    condition: selection and not filter
23falsepositives:
24    - Unknown
25level: high```

References

• Match Legitimate Name or Location - Red Canary Threat Report

  

  Adversaries often name their malicious payloads after system binaries to evade detection strategies that rely on filenames.

  
  Read More

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