ET MALWARE Foudre Checkin M3

Query · suricata

flow:established,to_server;
http.method;
content:"GET";
http.uri;
content:"/de/?d="; startswith; fast_pattern;
content:"&v="; distance:0;
content:"&t="; distance:0;
http.header_names;
content:!"Referer";
http.host;
pcre:"/^[a-f0-9]{8}\.(?:s(?:pac|it)e|net|top)$/Wm";
Raw source ET MALWARE Foudre Checkin M3 · 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 -> $EXTERNAL_NET any (
    msg:"ET MALWARE Foudre Checkin M3";
    flow:established,to_server;
    http.method;
    content:"GET";
    http.uri;
    content:"/de/?d="; startswith; fast_pattern;
    content:"&v="; distance:0;
    content:"&t="; distance:0;
    http.header_names;
    content:!"Referer";
    http.host;
    pcre:"/^[a-f0-9]{8}\.(?:s(?:pac|it)e|net|top)$/Wm";
    reference:url,twitter.com/ShadowChasing1/status/1339190981703266304;
    reference:md5,d01bcca6255a4f062fc59a014f407532;
    reference:md5,2d459929135993959cacceb0dd81a813;
    classtype:command-and-control;
    sid:2031417; rev:1;
    metadata:attack_target Client_Endpoint, created_at 2020_12_16, deployment Perimeter, performance_impact Low, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_12_16;
)

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