Rule History

alert dns $HOME_NET any -> any any (msg:"ET EXPLOIT_KIT Observed DNS Query to ClickFix Domain (lehmanpipe .com)"; dns.query; dotprefix; content:".lehmanpipe.com"; nocase; endswith; reference:url,www.proofpoint.com/us/blog/threat-insight/clipboard-compromise-powershell-self-pwn; classtype:exploit-kit; sid:2064788; rev:2; metadata:affected_product Web_Browsers, attack_target Client_Endpoint, created_at 2025_09_18, deployment Perimeter, malware_family ClickFix, performance_impact Low, confidence High, signature_severity Minor, tag Exploit_Kit, tag compromised_website, updated_at 2025_10_06, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1189, mitre_technique_name Drive_by_Compromise;)