alert http $HOME_NET any -> $EXTERNAL_NET any (
msg:"ET MALWARE Win32/RecordBreaker Checkin M2";
flow:established,to_server;
http.method;
content:"POST";
http.uri;
content:"/"; bsize:1;
http.user_agent;
content:"mozzzzzzzzzzz"; fast_pattern;
http.request_body;
content:"machineId="; startswith;
content:"&configId="; distance:0;
http.header_names;
content:!"|0d 0a|Referer|0d 0a|";
reference:md5,bf9fa2681da355e328f6eb8c63da8253;
classtype:trojan-activity;
sid:2037274; rev:1;
metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2022_07_05, deployment Perimeter, malware_family RecordBreaker, performance_impact Low, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2022_07_05, reviewed_at 2025_01_22;
)