PUA - Chisel Tunneling Tool Execution

calendar Aug 12, 2024 · attack.command-and-control attack.t1090.001  ·
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Detects usage of the Chisel tunneling tool via the commandline arguments

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 1title: PUA - Chisel Tunneling Tool Execution
 2id: 8b0e12da-d3c3-49db-bb4f-256703f380e5
 3related:
 4    - id: cf93e05e-d798-4d9e-b522-b0248dc61eaf
 5      type: similar
 6status: test
 7description: Detects usage of the Chisel tunneling tool via the commandline arguments
 8references:
 9    - https://github.com/jpillora/chisel/
10    - https://arcticwolf.com/resources/blog/lorenz-ransomware-chiseling-in/
11    - https://blog.sekoia.io/lucky-mouse-incident-response-to-detection-engineering/
12author: Florian Roth (Nextron Systems)
13date: 2022-09-13
14modified: 2023-02-13
15tags:
16    - attack.command-and-control
17    - attack.t1090.001
18logsource:
19    category: process_creation
20    product: windows
21detection:
22    selection_img:
23        Image|endswith: '\chisel.exe'
24    selection_param1:
25        CommandLine|contains:
26            - 'exe client '
27            - 'exe server '
28    selection_param2:
29        CommandLine|contains:
30            - '-socks5'
31            - '-reverse'
32            - ' r:'
33            - ':127.0.0.1:'
34            - '-tls-skip-verify '
35            - ':socks'
36    condition: selection_img or all of selection_param*
37falsepositives:
38    - Some false positives may occur with other tools with similar commandlines
39level: high

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