ET MALWARE Win32/GoPix Stealer Activity (POST)

Query · suricata

flow:established,to_server;
http.method;
content:"POST";
http.uri;
content:"/1/"; bsize:3;
http.header_names;
content:"|0d 0a|Content-Length|0d 0a|Expect|0d 0a|Connection|0d 0a 0d 0a|"; endswith; fast_pattern;
content:!"Referer";
content:!"User-Agent";
http.request_body;
pcre:"/^[A-Za-z]{4}$/";
target:src_ip;
Raw source ET MALWARE Win32/GoPix Stealer Activity (POST) · 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 -> $EXTERNAL_NET any (
    msg:"ET MALWARE Win32/GoPix Stealer Activity (POST)";
    flow:established,to_server;
    http.method;
    content:"POST";
    http.uri;
    content:"/1/"; bsize:3;
    http.header_names;
    content:"|0d 0a|Content-Length|0d 0a|Expect|0d 0a|Connection|0d 0a 0d 0a|"; endswith; fast_pattern;
    content:!"Referer";
    content:!"User-Agent";
    http.request_body;
    pcre:"/^[A-Za-z]{4}$/";
    reference:md5,ed4cb0ff27bb91b5e285db2a40480b6e;
    reference:md5,9ae0fbbbacd62f0bf1826493c58478be;
    reference:md5,eb0b4e35a2ba442821e28d617dd2daa2;
    reference:url,securelist.com/crimeware-report-gopix-lumar-rhysida/110871/;
    classtype:trojan-activity;
    sid:2049716; rev:1;
    metadata:attack_target Client_Endpoint, created_at 2023_12_18, deployment Perimeter, malware_family Win32_GoPix, performance_impact Moderate, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2023_12_18;
    target:src_ip;
)

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.