ET MALWARE ELF/DarkNexus User-Agent

Query · suricata

flow:established,to_server;
http.user_agent;
content:"checker/v"; fast_pattern; startswith;
content:"/p"; distance:0;
http.header_names;
content:!"|0d 0a|Referer|0d 0a|";
Raw source ET MALWARE ELF/DarkNexus User-Agent · 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 ELF/DarkNexus User-Agent";
    flow:established,to_server;
    http.user_agent;
    content:"checker/v"; fast_pattern; startswith;
    content:"/p"; distance:0;
    http.header_names;
    content:!"|0d 0a|Referer|0d 0a|";
    reference:md5,81150784e5cef98bf6e56638da5fe5f3;
    classtype:trojan-activity;
    sid:2032895; rev:2;
    metadata:affected_product Linux, affected_product IoT, attack_target Client_Endpoint, created_at 2021_05_03, deployment Perimeter, malware_family ELF_DarkNexus, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_03_12;
)

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