ET USER_AGENTS BLEXBot User-Agent

Query · suricata

flow:established,to_server;
threshold:type limit, track by_dst, count 1, seconds 300;
http.user_agent;
content:"Mozilla/5.0 (compatible|3b 20|BLEXBot/"; fast_pattern; startswith;
Raw source ET USER_AGENTS BLEXBot 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 $EXTERNAL_NET any -> $HOME_NET any (
    msg:"ET USER_AGENTS BLEXBot User-Agent";
    flow:established,to_server;
    threshold:type limit, track by_dst, count 1, seconds 300;
    http.user_agent;
    content:"Mozilla/5.0 (compatible|3b 20|BLEXBot/"; fast_pattern; startswith;
    reference:url,webmeup.com/about.html;
    classtype:misc-activity;
    sid:2022775; rev:3;
    metadata:created_at 2016_05_02, confidence High, signature_severity Minor, updated_at 2020_07_07;
)

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