ET MALWARE Win32/Sabsik.FL.B!ml Exfil

Query · suricata

flow:established,to_server;
http.method;
content:"POST";
http.uri;
content:"/stwittc/upwawsfrg.php"; bsize:22; fast_pattern;
http.user_agent;
content:"ZZ|23 5f|"; startswith;
content:"|5f|ZZ|23|"; endswith;
Raw source ET MALWARE Win32/Sabsik.FL.B!ml Exfil · Suricata
Esc
Published by Emerging Threats Open ↗, licensed under BSD 3-Clause ↗. Line breaks added for readability; the rule is otherwise unchanged. 
alert http $HOME_NET any -> $EXTERNAL_NET any (
    msg:"ET MALWARE Win32/Sabsik.FL.B!ml Exfil";
    flow:established,to_server;
    http.method;
    content:"POST";
    http.uri;
    content:"/stwittc/upwawsfrg.php"; bsize:22; fast_pattern;
    http.user_agent;
    content:"ZZ|23 5f|"; startswith;
    content:"|5f|ZZ|23|"; endswith;
    reference:md5,19670ba347cba8a1a3ab490ffe672880;
    classtype:trojan-activity;
    sid:2038687; rev:1;
    metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2022_08_30, deployment Perimeter, malware_family Win32_Sabsik_FL_B_ml, performance_impact Low, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2022_08_30, reviewed_at 2024_12_11;
)

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