ET MALWARE Brosql Stealer Browser Cookie Exfil

Query · suricata

flow:established,to_server;
http.method;
content:"POST";
http.uri;
content:"/api/userID/"; startswith; fast_pattern;
content:"/file/"; distance:0;
content:"_cookie.db"; endswith;
http.request_body;
content:"SQLite format 3"; startswith;
http.content_type;
content:"application/octet-stream";
http.header_names;
content:!"|0d 0a|Referer|0d 0a|"; nocase;
Raw source ET MALWARE Brosql Stealer Browser Cookie Exfil · 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 Brosql Stealer Browser Cookie Exfil";
    flow:established,to_server;
    http.method;
    content:"POST";
    http.uri;
    content:"/api/userID/"; startswith; fast_pattern;
    content:"/file/"; distance:0;
    content:"_cookie.db"; endswith;
    http.request_body;
    content:"SQLite format 3"; startswith;
    http.content_type;
    content:"application/octet-stream";
    http.header_names;
    content:!"|0d 0a|Referer|0d 0a|"; nocase;
    reference:md5,895e2eda726065f323f3723a2d1d8c23;
    reference:url,rmceoin.github.io/malware-analysis/phish1/;
    reference:url,infosec.exchange/@rmceoin/111790568800236297;
    classtype:trojan-activity;
    sid:2050285; rev:1;
    metadata:attack_target Client_Endpoint, created_at 2024_01_22, deployment Perimeter, malware_family Stealer, performance_impact Low, confidence High, signature_severity Critical, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_01_22, reviewed_at 2025_01_06;
)

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