ET MALWARE W32/AGENT.NXNX Checkin 2

Query · suricata

flow:to_server,established;
dsize:200;
content:"D|3a 00 00 00|"; offset:7; depth:13;
pcre:"/^\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}D\x3a\x00+?$/";
Raw source ET MALWARE W32/AGENT.NXNX Checkin 2 · 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 $HTTP_PORTS (
    msg:"ET MALWARE W32/AGENT.NXNX Checkin 2";
    flow:to_server,established;
    dsize:200;
    content:"D|3a 00 00 00|"; offset:7; depth:13;
    pcre:"/^\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}D\x3a\x00+?$/";
    reference:md5,fdcf0e3e3ad69cdd570387c4ce9aa8b3;
    reference:url,ahnlabasec.tistory.com/1007;
    reference:url,global.ahnlab.com/global/upload/download/asecreport/ASEC%20Report_Vol.58_Eng.pdf;
    classtype:command-and-control;
    sid:2020303; rev:2;
    metadata:created_at 2015_01_23, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2019_07_26;
)

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