Command Shell Bypassing Security Controls (RedCanary Threat Detection Report)

 1title: Command Shell Bypassing Security Controls (RedCanary Threat Detection Report)
 2id: e76af6c9-1c66-4ed7-9a36-b2f905e2e78c
 3status: experimental
 4description: Detects command line strings which indicate potential attempts to bypass controls. Part of the RedCanary 2023 Threat Detection Report.
 5references:
 6    - https://redcanary.com/threat-detection-report/techniques/windows-command-shell/
 7author: RedCanary, Sigma formatting by Micah Babinski
 8date: 2023/05/10
 9tags:
10    - attack.execution
11    - attack.t1059.003
12logsource:
13    category: process_creation
14    product: windows
15detection:
16    selection:
17        Image|endswith: '\cmd.exe'
18        CommandLine|contains:
19            - 'bypass'
20            - '-exec'
21    condition: selection
22falsepositives:
23    - Unknown
24level: low```

References

• Red Canary analyzes how Windows Command Shell is used by adversaries

  

  Windows Command Shell is a favorite among adversaries because it can call on any executable on the system to execute batch files and more.

  
  Read More

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