ET RETIRED Eternity Stealer Data Exfiltration Activity

alert http $HOME_NET any -> $EXTERNAL_NET any (
    msg:"ET RETIRED Eternity Stealer Data Exfiltration Activity";
    flow:established,to_server;
    http.method;
    content:"POST";
    http.uri;
    content:"/stealer/"; startswith; fast_pattern;
    content:"pwds=";
    content:"cards=";
    content:"wlts=";
    content:"files=";
    content:"user=";
    content:"comp=";
    content:"ip=";
    content:"country=";
    content:"city=";
    content:"tag=";
    content:"domains=";
    content:"ad=";
    http.host;
    content:".onion"; endswith;
    http.header_names;
    content:"|0d 0a|Host|0d 0a|Content-Length|0d 0a|Expect|0d 0a|Proxy-Connection|0d 0a 0d 0a|"; bsize:52;
    http.request_body;
    content:"PK|03 04|";
    byte_test:1,<=,20,0,relative;
    content:"Information.txt"; distance:0;
    reference:md5,c4b46a2d0898e9ba438366f878cd74bd;
    classtype:trojan-activity;
    sid:2036542; rev:4;
    metadata:attack_target Client_Endpoint, created_at 2022_05_06, deployment Perimeter, former_category MALWARE, malware_family Eternity_Stealer, performance_impact Low, confidence Medium, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_09_12, reviewed_at 2024_09_12;
)