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

Query · suricata

flow:established,to_server;
content:"|02|"; startswith;
content:"|05 4c 41 75 74 6f 20 28|"; offset:5; depth:8; fast_pattern;
content:"|29|"; distance:0;
isdataat:!30,relative;
Raw source ET MALWARE Win32/Sabsik.FL.B!ml Checkin · Suricata
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Published by Emerging Threats Open ↗, licensed under BSD 3-Clause ↗. Line breaks added for readability; the rule is otherwise unchanged. 
alert tcp $HOME_NET any -> $EXTERNAL_NET any (
    msg:"ET MALWARE Win32/Sabsik.FL.B!ml Checkin";
    flow:established,to_server;
    content:"|02|"; startswith;
    content:"|05 4c 41 75 74 6f 20 28|"; offset:5; depth:8; fast_pattern;
    content:"|29|"; distance:0;
    isdataat:!30,relative;
    reference:md5,0792e225ebae5021f0dd6c333026ee00;
    classtype:command-and-control;
    sid:2034313; rev:1;
    metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2021_11_01, deployment Perimeter, malware_family Win32_Sabsik_FL_B_ml, performance_impact Low, confidence Medium, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2021_11_01;
)

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