ET MALWARE Win32/Gatak.DR Activity

Query · suricata

flow:established,to_server;
http.method;
content:"POST";
http.uri;
pcre:"/^\/([a-z]{4,9}\/[a-z]{4,12}\?[a-z]{4,7}\=[0-9]{5,7})$/";
http.user_agent;
content:"Mozilla/4.0 (compatible|3b 20|MSIE 8.0|3b 20|Windows NT 5.1|3b 20|Trident/4.0)"; fast_pattern;
http.header_names;
content:!"Accept";
content:!"Referer|0d 0a|";
Raw source ET MALWARE Win32/Gatak.DR Activity · 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 -> $EXTERNAL_NET any (
    msg:"ET MALWARE Win32/Gatak.DR Activity";
    flow:established,to_server;
    http.method;
    content:"POST";
    http.uri;
    pcre:"/^\/([a-z]{4,9}\/[a-z]{4,12}\?[a-z]{4,7}\=[0-9]{5,7})$/";
    http.user_agent;
    content:"Mozilla/4.0 (compatible|3b 20|MSIE 8.0|3b 20|Windows NT 5.1|3b 20|Trident/4.0)"; fast_pattern;
    http.header_names;
    content:!"Accept";
    content:!"Referer|0d 0a|";
    reference:md5,adb3242f8efad48ca174a7e46991f507;
    classtype:trojan-activity;
    sid:2021246; rev:4;
    metadata:created_at 2015_06_11, malware_family Win32_Gatak_DR, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_05_22;
)

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.