alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET EXPLOIT_KIT Observed ClickFix Cookie"; flow:established,to_server; http.cookie; content:"jsInjectorShown_"; reference:url,www.proofpoint.com/us/blog/threat-insight/clipboard-compromise-powershell-self-pwn; classtype:exploit-kit; sid:2072321; rev:1; metadata:affected_product Web_Browsers, attack_target Client_Endpoint, tls_state TLSDecrypt, created_at 2026_10_01, deployment Perimeter, malware_family ClickFix, performance_impact Low, confidence High, signature_severity Major, tag Exploit_Kit, tag compromised_website, updated_at 2026_10_01, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1189, mitre_technique_name Drive_by_Compromise;)