ET MALWARE Backdoor Win32.Idicaf/Atraps

Query · suricata

flow:to_server,established;
dsize:780;
content:"|00 00 00 00 00 00 00 00|"; depth:8;
content:"|00 00 00 00|"; distance:4; within:4;
content:"|00 9C 00 00 00|"; distance:31; within:5; fast_pattern;
content:"|00 00 00|"; distance:1; within:3;
content:"|00 00 00|"; distance:1; within:3;
content:"|00 00|"; distance:2; within:2;
content:"|00|"; distance:172; within:1;
Raw source ET MALWARE Backdoor Win32.Idicaf/Atraps · Suricata
Esc
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 Backdoor Win32.Idicaf/Atraps";
    flow:to_server,established;
    dsize:780;
    content:"|00 00 00 00 00 00 00 00|"; depth:8;
    content:"|00 00 00 00|"; distance:4; within:4;
    content:"|00 9C 00 00 00|"; distance:31; within:5; fast_pattern;
    content:"|00 00 00|"; distance:1; within:3;
    content:"|00 00 00|"; distance:1; within:3;
    content:"|00 00|"; distance:2; within:2;
    content:"|00|"; distance:172; within:1;
    reference:url,www.commandfive.com/papers/C5_APT_C2InTheFifthDomain.pdf;
    classtype:trojan-activity;
    sid:2014228; rev:7;
    metadata:created_at 2012_02_14, confidence Medium, signature_severity Major, updated_at 2019_07_26;
)

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