Invoke-Obfuscation STDIN+ Launcher
Detects Obfuscated use of stdin to execute PowerShell
Sigma rule (View on GitHub)
1title: Invoke-Obfuscation STDIN+ Launcher
2id: de7fb680-6efa-4bf3-af2c-14b6d33c8e6e
3related:
4 - id: 72862bf2-0eb1-11eb-adc1-0242ac120002
5 type: derived
6description: Detects Obfuscated use of stdin to execute PowerShell
7status: unsupported
8author: Jonathan Cheong, oscd.community
9date: 2020/10/15
10modified: 2021/09/17
11references:
12 - https://github.com/SigmaHQ/sigma/issues/1009 #(Task 25)
13tags:
14 - attack.defense_evasion
15 - attack.t1027
16 - attack.execution
17 - attack.t1059.001
18logsource:
19 product: windows
20 category: driver_load
21detection:
22 selection:
23 ImagePath|re: '.*cmd.{0,5}(?:\/c|\/r).+powershell.+(?:\$\{?input\}?|noexit).+\"'
24 condition: selection
25falsepositives:
26 - Unknown
27level: high```
References
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