ET RETIRED Win32/SaintStealer Data Exfiltration Attempt M1

alert http $HOME_NET any -> $EXTERNAL_NET any (
    msg:"ET RETIRED Win32/SaintStealer Data Exfiltration Attempt M1";
    flow:established,to_server;
    http.method;
    content:"POST";
    http.uri;
    content:"/receive.php"; bsize:12;
    http.header_names;
    content:!"User-Agent";
    content:!"Referer";
    http.request_body;
    content:"PK|03 04|";
    content:"|00 00 00|"; distance:1;
    content:"enshot.jpg"; distance:20; within:300;
    content:"Information.txt"; fast_pattern; distance:0;
    reference:md5,1604e24ee77201e5264bcd4d8327499e;
    classtype:trojan-activity;
    sid:2039008; rev:2;
    metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_and_Server, created_at 2022_09_27, deployment Perimeter, former_category MALWARE, malware_family SaintStealer, performance_impact Low, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_09_18, reviewed_at 2024_09_18;
)