ET MALWARE Ransom.Win32.Birele.gsg Checkin

Query · suricata

flow:established,to_server;
http.uri;
content:".html";
pcre:"/^\/\d+?\/\d+?\.html$/i";
http.header;
content:"From|3a| "; depth:6;
pcre:"/^\d+?\r\n/Ri";
content:"Via|3a| ";
content:!"1|2e|"; within:2;
http.header_names;
content:!"User-Agent|0d 0a|";
Raw source ET MALWARE Ransom.Win32.Birele.gsg 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 -> $EXTERNAL_NET any (
    msg:"ET MALWARE Ransom.Win32.Birele.gsg Checkin";
    flow:established,to_server;
    http.uri;
    content:".html";
    pcre:"/^\/\d+?\/\d+?\.html$/i";
    http.header;
    content:"From|3a| "; depth:6;
    pcre:"/^\d+?\r\n/Ri";
    content:"Via|3a| ";
    content:!"1|2e|"; within:2;
    http.header_names;
    content:!"User-Agent|0d 0a|";
    reference:md5,116aaaa5765228d61501322b02a6a3b1;
    reference:md5,2e66f39a263cb2e95425847b60ee2a93;
    reference:md5,0ea9b34e9d77b5a4ef5170406ed1aaed;
    classtype:command-and-control;
    sid:2015786; rev:5;
    metadata:created_at 2012_10_10, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_12_18;
)

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.