ET MALWARE W32.Geodo/Emotet Checkin Fake 404 Response

Query · suricata

flow:established,from_server;
flowbits:isset,ETPRO.Emotet;
http.stat_code;
content:"404";
file.data;
content:!"<html";
pcre:"/^[\x20-\x7e\r\n]{0,13}[^\x20-\x7e\r\n]/si";

Rule dependencies

⚠ Higher-order rule. It fires on other rules' alerts, not on raw events, so it cannot fire on its own. Deploy the rules it depends on too.

Depends on

Raw source ET MALWARE W32.Geodo/Emotet Checkin Fake 404 Response · Suricata
Esc
Published by Emerging Threats Open ↗, licensed under BSD 3-Clause ↗. Line breaks added for readability; the rule is otherwise unchanged. 
alert http $EXTERNAL_NET 8080 -> $HOME_NET any (
    msg:"ET MALWARE W32.Geodo/Emotet Checkin Fake 404 Response";
    flow:established,from_server;
    flowbits:isset,ETPRO.Emotet;
    http.stat_code;
    content:"404";
    file.data;
    content:!"<html";
    pcre:"/^[\x20-\x7e\r\n]{0,13}[^\x20-\x7e\r\n]/si";
    reference:md5,dacdcd451204265ad6f44ef99db1f371;
    classtype:command-and-control;
    sid:2035062; rev:4;
    metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2016_12_01, deployment Perimeter, malware_family Geodo, malware_family Emotet, performance_impact Low, confidence High, signature_severity Major, updated_at 2022_02_03;
)

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.