ET MALWARE DonotGroup Template Download

Query · suricata

flow:established,to_server;
http.method;
content:"HEAD";
http.uri;
content:"/jack/"; startswith; fast_pattern;
pcre:"/^[a-zA-Z0-9]{32}\.dot$/R";
http.user_agent;
content:"Microsoft Office";
http.header_names;
content:!"Referer";
Raw source ET MALWARE DonotGroup Template Download · 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 -> $EXTERNAL_NET any (
    msg:"ET MALWARE DonotGroup Template Download";
    flow:established,to_server;
    http.method;
    content:"HEAD";
    http.uri;
    content:"/jack/"; startswith; fast_pattern;
    pcre:"/^[a-zA-Z0-9]{32}\.dot$/R";
    http.user_agent;
    content:"Microsoft Office";
    http.header_names;
    content:!"Referer";
    reference:md5,82e3981303bee2eff6d1af17ad51eb32;
    reference:md5,8cc87eb3667aecc1bd41018f00aca559;
    reference:md5,d4b45f7a937139e05f386a8ad0aba04e;
    reference:md5,5fdcbb85733f9e8686d582b2f1459961;
    reference:url,twitter.com/ShadowChasing1/status/1379048935969316871;
    classtype:trojan-activity;
    sid:2032483; rev:1;
    metadata:created_at 2021_04_05, malware_family DonotGroup, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2021_04_05;
)

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