Versions (5)
Version DetailsCurrent
Rev: 8 • Jan 4, 2014, 12:00 PMET POLICY External IP Lookup / Tor Checker Domain (check.torproject .org in DNS lookup)
alert dns $HOME_NET any -> any any (msg:"ET POLICY External IP Lookup / Tor Checker Domain (check.torproject .org in DNS lookup)"; dns.query; content:"check.torproject.org"; nocase; endswith; reference:md5,e87f0db605517e851d571af2e78c5966; classtype:external-ip-check; sid:2017926; rev:8; 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