alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Win32/Pterodo.NG Checkin 2"; flow:established,to_server; http.method; content:"POST"; http.request_body; content:"versiya="; fast_pattern; content:"comp="; content:"id="; http.header_names; content:!"Referer"; reference:md5,a7183477c46a767a72caebee066dce39; classtype:command-and-control; sid:2034344; rev:6; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2019_03_29, deployment Perimeter, malware_family Stealer, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_10_21;)