ET EXPLOIT_KIT KaiXin EK Jar URI Struct

Query · suricata

flow:established,to_server;
http.uri;
content:".jar";
pcre:"/(?:\/[A-Z][a-z][A-Z][a-z][A-Z][a-z]|(?:b(?:m(?:nw|wn)|n(?:mw|wm)|w(?:mn|nm))|m(?:b(?:nw|wn)|n(?:bw|wb)|w(?:bn|nb))|n(?:b(?:mw|wm)|m(?:bw|wb)|w(?:bm|mb))|w(?:b(?:mn|nm)|m(?:bn|nb)|n(?:bm|mb))))\.jar$/";
http.user_agent;
content:"Java/1."; fast_pattern;
Raw source ET EXPLOIT_KIT KaiXin EK Jar URI Struct · 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 -> $EXTERNAL_NET any (
    msg:"ET EXPLOIT_KIT KaiXin EK Jar URI Struct";
    flow:established,to_server;
    http.uri;
    content:".jar";
    pcre:"/(?:\/[A-Z][a-z][A-Z][a-z][A-Z][a-z]|(?:b(?:m(?:nw|wn)|n(?:mw|wm)|w(?:mn|nm))|m(?:b(?:nw|wn)|n(?:bw|wb)|w(?:bn|nb))|n(?:b(?:mw|wm)|m(?:bw|wb)|w(?:bm|mb))|w(?:b(?:mn|nm)|m(?:bn|nb)|n(?:bm|mb))))\.jar$/";
    http.user_agent;
    content:"Java/1."; fast_pattern;
    classtype:exploit-kit;
    sid:2020476; rev:4;
    metadata:created_at 2015_02_19, confidence High, signature_severity Major, updated_at 2020_05_15;
)

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