Detectionhightest
PUA - Chisel Tunneling Tool Execution
Detects usage of the Chisel tunneling tool via the commandline arguments
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Launch
Florian Roth (Nextron Systems)Created Tue Sep 13Updated Mon Feb 138b0e12da-d3c3-49db-bb4f-256703f380e5windows
Log Source
WindowsProcess Creation
ProductWindows← raw: windows
CategoryProcess Creation← raw: process_creation
Events generated when a new process is spawned on the system. Covers command-line arguments, parent/child relationships, and process metadata.
Detection Logic
Detection Logic3 selectors
detection:
selection_img:
Image|endswith: '\chisel.exe'
selection_param1:
CommandLine|contains:
- 'exe client '
- 'exe server '
selection_param2:
CommandLine|contains:
- '-socks5'
- '-reverse'
- ' r:'
- ':127.0.0.1:'
- '-tls-skip-verify '
- ':socks'
condition: selection_img or all of selection_param*False Positives
Some false positives may occur with other tools with similar commandlines
MITRE ATT&CK
Tactics
Sub-techniques
Rule Metadata
Rule ID
8b0e12da-d3c3-49db-bb4f-256703f380e5
Status
test
Level
high
Type
Detection
Created
Tue Sep 13
Modified
Mon Feb 13
Path
rules/windows/process_creation/proc_creation_win_pua_chisel.yml
Raw Tags
attack.command-and-controlattack.t1090.001