Rule History

alert dns $HOME_NET any -> any any (msg:"ET EXPLOIT_KIT ClickFix Domain in DNS Lookup (clients .contology .com)"; dns.query; bsize:21; content:"clients.contology.com"; nocase; reference:url,www.proofpoint.com/us/blog/threat-insight/clipboard-compromise-powershell-self-pwn; classtype:exploit-kit; sid:2061956; rev:2; metadata:affected_product Web_Browsers, attack_target Client_Endpoint, created_at 2025_04_28, deployment Perimeter, deprecation_reason False_Positive, performance_impact Low, confidence High, signature_severity Minor, tag Exploit_Kit, tag compromised_website, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2025_07_25, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1189, mitre_technique_name Drive_by_Compromise;)