ET MALWARE WEBC2-TABLE Checkin 2 - APT1 Related

Query · suricata

flow:established,to_server;
flowbits:set,ET.webc2;
http.header;
content:"|3a|"; distance:1; within:1;
content:"|3a|"; distance:2; within:1;
content:"+"; distance:2; within:1;
http.user_agent;
content:"1"; startswith;

Rule dependencies

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Raw source ET MALWARE WEBC2-TABLE Checkin 2 - APT1 Related · 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 http $HOME_NET any -> $EXTERNAL_NET any (
    msg:"ET MALWARE WEBC2-TABLE Checkin 2 - APT1 Related";
    flow:established,to_server;
    flowbits:set,ET.webc2;
    http.header;
    content:"|3a|"; distance:1; within:1;
    content:"|3a|"; distance:2; within:1;
    content:"+"; distance:2; within:1;
    http.user_agent;
    content:"1"; startswith;
    reference:md5,7a7a46e8fbc25a624d58e897dee04ffa;
    reference:md5,110160e9d6e1483192653d4bfdcbb609;
    reference:url,www.mandiant.com/apt1;
    classtype:targeted-activity;
    sid:2016436; rev:4;
    metadata:created_at 2013_02_20, signature_severity Major, updated_at 2020_10_14;
)

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