ET EXPLOIT_KIT Spelevo EK Flash Exploit Attempt

Query · suricata

flow:established,to_server;
urilen:38;
http.uri;
content:"/?s="; depth:4; fast_pattern;
pcre:"/^\/\?s=[a-f0-9]{32}[a-z]{2}$/";
http.header;
content:"/?s=";
content:"|0d 0a|"; distance:34; within:2;
content:"x-flash-version|3a|";
http.referer;
pcre:"/^http\:\/\/[^\r\n\x2f]+\/\?s=[a-f0-9]{32}[a-z]{2}$/i";
Raw source ET EXPLOIT_KIT Spelevo EK Flash Exploit Attempt · 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 -> $EXTERNAL_NET any (
    msg:"ET EXPLOIT_KIT Spelevo EK Flash Exploit Attempt";
    flow:established,to_server;
    urilen:38;
    http.uri;
    content:"/?s="; depth:4; fast_pattern;
    pcre:"/^\/\?s=[a-f0-9]{32}[a-z]{2}$/";
    http.header;
    content:"/?s=";
    content:"|0d 0a|"; distance:34; within:2;
    content:"x-flash-version|3a|";
    http.referer;
    pcre:"/^http\:\/\/[^\r\n\x2f]+\/\?s=[a-f0-9]{32}[a-z]{2}$/i";
    classtype:exploit-kit;
    sid:2027145; rev:4;
    metadata:affected_product Adobe_Flash, attack_target Client_Endpoint, created_at 2019_04_02, deployment Perimeter, performance_impact Low, confidence High, signature_severity Major, tag Spelevo_EK, updated_at 2024_04_18;
)

Detection rules belong to the projects that publish them and remain under their own licenses. This site indexes and links to them; it claims no rights in them.