Detection rules › Sigma

Tor Client/Browser Execution

Severity
high
Author
frack113
Source
upstream

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

MITRE ATT&CK coverage

TacticTechniques
Command & ControlT1090.003 Proxy: Multi-hop Proxy

Event coverage

ProviderEvent IDTitle
Sysmon1Process creation

Stages and Predicates

Stage 1: selection

or:
Description: 'Tor Browser'
Image|endswith: '\Tor Browser\Browser\firefox.exe'
Image|endswith: '\tor.exe'
Product: 'Tor Browser'

Indicators

Each row is a field, operator, and value that the rule matches. The corpus column counts how many other rules in the catalog look for the same combination: high numbers point to widely-used, community-vetted indicators. Blank or 1 shows that the indicator is specific to this rule.

FieldKindValues
Descriptioneq
  • Tor Browser
Imageends_with
  • \Tor Browser\Browser\firefox.exe
  • \tor.exe
Producteq
  • Tor Browser