alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE O97M/Sadoca.C!ml Checkin"; flow:established,to_server; http.method; content:"POST"; http.uri; content:"/php/notification.php?name="; startswith; fast_pattern; http.request_body; content:"email="; startswith; content:"&code="; distance:0; content:"&addin=SearchText"; distance:0; content:"&win_un="; distance:0; content:"&win_ud="; distance:0; http.header_names; content:"UA-CPU"; reference:md5,994496d735aa645c1cf79966912a5eb9; classtype:trojan-activity; sid:2043236; rev:1; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2023_01_06, deployment Perimeter, performance_impact Low, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2023_01_06, reviewed_at 2025_01_06;)