ET MALWARE ZeroAccess Checkin

Query · suricata

flow:established,to_server;
http.method;
content:"GET";
http.uri;
content:"/counter.img?theme="; fast_pattern;
content:"&digits=";
content:"&siteId=";
http.user_agent;
content:"Opera/9 (Windows NT";
Raw source ET MALWARE ZeroAccess 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 ZeroAccess Checkin";
    flow:established,to_server;
    http.method;
    content:"GET";
    http.uri;
    content:"/counter.img?theme="; fast_pattern;
    content:"&digits=";
    content:"&siteId=";
    http.user_agent;
    content:"Opera/9 (Windows NT";
    reference:url,sophos.com/en-us/medialibrary/PDFs/technical%20papers/Sophos_ZeroAccess_Botnet.pdf;
    reference:url,malwaremustdie.blogspot.co.uk/2013/02/blackhole-of-closest-version-with.html;
    classtype:command-and-control;
    sid:2015723; rev:6;
    metadata:created_at 2012_09_21, 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.