ET MALWARE Win32/Kryptik.BSYO Checkin

Query · suricata

flow:to_server,established;
http.uri;
content:"/log?";
content:"|7c|aid="; fast_pattern;
content:"|7c|version=";
content:"|7c|id=";
content:"|7c|os=";
pcre:"/\/log\?(start|install)\x7caid=/";
Raw source ET MALWARE Win32/Kryptik.BSYO Checkin · 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/Kryptik.BSYO Checkin";
    flow:to_server,established;
    http.uri;
    content:"/log?";
    content:"|7c|aid="; fast_pattern;
    content:"|7c|version=";
    content:"|7c|id=";
    content:"|7c|os=";
    pcre:"/\/log\?(start|install)\x7caid=/";
    reference:md5,494d0fb7efaabaf9c69edbc58360671f;
    reference:md5,1fd3e714669ac8a3bc4af33a3e6cf21f;
    reference:url,www.virusradar.com/en/Win32_Kryptik.BSYO/description;
    classtype:command-and-control;
    sid:2018205; rev:5;
    metadata:created_at 2014_03_04, malware_family Win32_Kryptik_BSYO, signature_severity Major, updated_at 2020_09_23;
)

Detection rules belong to the projects that publish them and remain under their own licenses. This site indexes and links to them; it claims no rights in them.