ET MALWARE Nitrogen Loader Activity

Query · suricata

flow:established,to_server;
http.uri;
content:"/chat/"; startswith;
pcre:"/^[a-zA-Z0-9+=/]{10}/R";
http.cookie;
content:"password.log|3d|"; startswith; fast_pattern;
target:src_ip;
Raw source ET MALWARE Nitrogen Loader Activity · 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 Nitrogen Loader Activity";
    flow:established,to_server;
    http.uri;
    content:"/chat/"; startswith;
    pcre:"/^[a-zA-Z0-9+=/]{10}/R";
    http.cookie;
    content:"password.log|3d|"; startswith; fast_pattern;
    reference:url,www.threatdown.com/blog/nitrogen-05-03-2024/;
    classtype:trojan-activity;
    sid:2052397; rev:1;
    metadata:attack_target Client_Endpoint, tls_state TLSDecrypt, created_at 2024_05_03, deployment Perimeter, deployment SSLDecrypt, malware_family Nitrogen_Loader, performance_impact Low, confidence Medium, signature_severity Major, updated_at 2024_05_03;
    target:src_ip;
)

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