ET MALWARE Sharik/Smoke Loader Receiving Payload

Query · suricata

flow:established,from_server;
http.stat_code;
content:"404";
file.data;
content:"|00|"; distance:1; within:1;
content:"|00|MZ"; distance:1; within:3;
content:"This program must be run under Win32"; distance:0; fast_pattern;
Raw source ET MALWARE Sharik/Smoke Loader Receiving Payload · 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 any -> $HOME_NET any (
    msg:"ET MALWARE Sharik/Smoke Loader Receiving Payload";
    flow:established,from_server;
    http.stat_code;
    content:"404";
    file.data;
    content:"|00|"; distance:1; within:1;
    content:"|00|MZ"; distance:1; within:3;
    content:"This program must be run under Win32"; distance:0; fast_pattern;
    reference:md5,65c7426b056482fcda962a7a14e86601;
    classtype:trojan-activity;
    sid:2023567; rev:3;
    metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2016_11_30, deployment Perimeter, malware_family Sharik, malware_family Smoke_Loader, performance_impact Low, confidence High, signature_severity Major, updated_at 2020_08_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.