alert http $HOME_NET any -> $EXTERNAL_NET any (
msg:"ET MALWARE Win32/Gomorrah Stealer Data Exfiltration";
flow:established,to_server;
http.method;
content:"POST";
http.uri;
content:".php";
content:"hwid=";
pcre:"/^[A-Z]{2}[A-F0-9]{16}/R";
content:"Passwords=";
content:"CreditCards=";
content:"Cookies=";
content:"AutoFill=";
content:"Wallets=";
http.header_names;
content:!"Referer";
http.request_body;
content:"PK|03 04|";
content:"info.txt";
content:"ProsessList.txt"; fast_pattern;
reference:md5,d2a6fe3fc2dcd1b47d9420e71d5d3ba6;
classtype:trojan-activity;
sid:2036958; rev:4;
metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2022_06_10, deployment Perimeter, malware_family Gomorrah, performance_impact Low, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2023_08_22, reviewed_at 2025_07_14;
)