ET USER_AGENTS VPNFilter Related UA (curl53)

Query · suricata

flow:established,to_server;
http.user_agent;
content:"curl53"; depth:6; fast_pattern; endswith;
Raw source ET USER_AGENTS VPNFilter Related UA (curl53) · Suricata
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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 USER_AGENTS VPNFilter Related UA (curl53)";
    flow:established,to_server;
    http.user_agent;
    content:"curl53"; depth:6; fast_pattern; endswith;
    reference:url,blog.talosintelligence.com/2018/09/vpnfilter-part-3.html;
    classtype:trojan-activity;
    sid:2026428; rev:4;
    metadata:affected_product Linux, attack_target Networking_Equipment, created_at 2018_10_01, deployment Perimeter, malware_family VPNFilter, confidence High, signature_severity Major, updated_at 2020_09_16;
)

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