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Detectionhightest

Tor Client/Browser Execution

Detects the use of Tor or Tor-Browser to connect to onion routing networks

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François HubautCreated Sun Feb 20Updated Mon Oct 2762f7c9bf-9135-49b2-8aeb-1e54a6ecc13cwindows
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 Logic1 selector
detection:
    selection:
        - Description: 'Tor Browser'
        - Product: 'Tor Browser'
        - Image|endswith:
              - '\tor.exe'
              - '\Tor Browser\Browser\firefox.exe'
    condition: selection
False Positives
Unknown

False positive likelihood has not been assessed. Additional context may be needed during triage.

References
1
Resolving title…
logpoint.com
Testing & Validation

Regression Tests

by SigmaHQ Team
Positive Detection Testevtx

Microsoft-Windows-Sysmon

EVTX JSON
MITRE ATT&CK
Rule Metadata
Rule ID
62f7c9bf-9135-49b2-8aeb-1e54a6ecc13c
Status
test
Level
high
Type
Detection
Created
Sun Feb 20
Modified
Mon Oct 27
Author
François Hubaut
Path
rules/windows/process_creation/proc_creation_win_browsers_tor_execution.yml
Raw Tags
attack.command-and-controlattack.t1090.003
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