alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET EXPLOIT_KIT RIG EK - Unexpected Victim Location Server Response"; flow:established,from_server; http.stat_code; content:"200"; file.data; content:"Sea|20|for|20|a|20|life"; startswith; fast_pattern; endswith; classtype:exploit-kit; sid:2027934; rev:3; metadata:attack_target Client_Endpoint, created_at 2019_08_30, deployment Perimeter, malware_family RigEK, performance_impact Low, confidence High, signature_severity Major, tag Exploit_Kit, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_09_17;)