alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET EXPLOIT_KIT Keitaro Set-Cookie Inbound to RogueRaticate (212bb)"; flow:established,to_client; http.cookie; content:"212bb=eyJ0e"; fast_pattern; pcre:"/^[A-Z0-9_\-.]{20,300}\x3b/Ri"; reference:url,twitter.com/AnFam17/status/1671789322259800064; reference:url,www.malwarebytes.com/blog/threat-intelligence/2023/07/socgholish-copycat-delivers-netsupport-rat; classtype:exploit-kit; sid:2048756; rev:1; metadata:attack_target Client_Endpoint, created_at 2023_10_23, deployment Perimeter, deployment SSLDecrypt, performance_impact Low, confidence High, signature_severity Minor, tag Exploit_Kit, tag TDS, tag RogueRaticate, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2023_10_23, reviewed_at 2023_10_23;)