alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE ReverseRat 2.0 CnC Checkin M2"; flow:established,to_server; http.method; content:"POST"; http.uri; content:!"."; content:!"&"; content:!"="; http.request_body; content:"|ed bb a7 14 24 02 2e cc 3f f4|"; startswith; fast_pattern; http.header_names; content:!"Referer"; content:!"User-Agent"; reference:md5,8306b6dee8aca5ad5b3368cd070d5729; reference:url,twitter.com/malwrhunterteam/status/1494650167877935104; classtype:trojan-activity; sid:2035275; rev:2; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2022_02_23, deployment Perimeter, malware_family ReverseRAT, confidence Medium, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2022_02_23;)