ET MALWARE Win32/Lumma Stealer Data Exfiltration in URI (GET)


Query · suricata

flow:established,to_server;
http.method;
content:"GET";
http.uri;
content:".php?user=";
content:"&pc=";
content:"&os=Microsoft|20|Windows"; fast_pattern;
http.user_agent;
content:"WinHttp.WinHttpRequest";
http.header_names;
content:!"|0d 0a|Referer|0d 0a|";
http.host;
pcre:"/^(?:[0-9]{1,3}\.){3}[0-9]{1,3}$/";
Raw source ET MALWARE Win32/Lumma Stealer Data Exfiltration in URI (GET) · 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 -> $EXTERNAL_NET any (
    msg:"ET MALWARE Win32/Lumma Stealer Data Exfiltration in URI (GET)";
    flow:established,to_server;
    http.method;
    content:"GET";
    http.uri;
    content:".php?user=";
    content:"&pc=";
    content:"&os=Microsoft|20|Windows"; fast_pattern;
    http.user_agent;
    content:"WinHttp.WinHttpRequest";
    http.header_names;
    content:!"|0d 0a|Referer|0d 0a|";
    http.host;
    pcre:"/^(?:[0-9]{1,3}\.){3}[0-9]{1,3}$/";
    reference:md5,17e11f6f7d064992deeb632e62b64e8e;
    reference:url,twitter.com/1ZRR4H/status/1709421805880877346;
    classtype:trojan-activity;
    sid:2048391; rev:2;
    metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2023_10_04, deployment Perimeter, malware_family lumma, confidence High, signature_severity Critical, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_03_22, reviewed_at 2023_10_04;
)

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