ET RETIRED Zenlod System Information Retrieval

Query · suricata

flow:established,to_server;
http.method;
content:"POST";
http.uri;
content:"/J?"; startswith;
pcre:"/\d{10}$/R";
http.header_names;
content:"|0d 0a|Accept|0d 0a|Host|0d 0a|Content-Length|0d 0a|Cache-Control|0d 0a 0d 0a|";
http.request_body;
content:"W1N5c3RlbSBQcm9jZXNzXT"; startswith; fast_pattern;
target:src_ip;
Raw source ET RETIRED Zenlod System Information Retrieval · 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 -> $EXTERNAL_NET any (
    msg:"ET RETIRED Zenlod System Information Retrieval";
    flow:established,to_server;
    http.method;
    content:"POST";
    http.uri;
    content:"/J?"; startswith;
    pcre:"/\d{10}$/R";
    http.header_names;
    content:"|0d 0a|Accept|0d 0a|Host|0d 0a|Content-Length|0d 0a|Cache-Control|0d 0a 0d 0a|";
    http.request_body;
    content:"W1N5c3RlbSBQcm9jZXNzXT"; startswith; fast_pattern;
    reference:md5,4a6607b893f3351f79a545861e08e329;
    classtype:trojan-activity;
    sid:2046299; rev:2;
    metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2023_06_16, deployment Perimeter, deployment SSLDecrypt, former_category MALWARE, malware_family Zenlod, performance_impact Low, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_10_01, reviewed_at 2024_10_01;
    target:src_ip;
)

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