Versions (6)
Version DetailsCurrent
Rev: 9 • Jan 4, 2014, 12:00 PMET POLICY External IP Lookup / Tor Checker Domain (bridges.torproject .org in DNS lookup)
alert dns $HOME_NET any -> any any (msg:"ET POLICY External IP Lookup / Tor Checker Domain (bridges.torproject .org in DNS lookup)"; dns.query; content:"bridges.torproject.org"; depth:22; nocase; endswith; reference:url,www.torproject.org/docs/bridges.html.en; reference:md5,2e3f7f9b3b4c29aceccab693aeccfa5a; classtype:external-ip-check; sid:2017925; rev:9; metadata:attack_target Client_Endpoint, created_at 2014_01_04, deployment Perimeter, performance_impact Low, confidence High, signature_severity Informational, tag IP_address_lookup_website, updated_at 2024_11_26, mitre_tactic_id TA0007, mitre_tactic_name Discovery, mitre_technique_id T1614, mitre_technique_name System_Location_Discovery;)
Jan 4, 2014, 12:00 PM
Nov 26, 2024, 12:00 PM
Sep 21, 2024, 3:00 AM
Feb 16, 2026, 10:35 PM
rules/emerging-policy.rules