ET EXPLOIT_KIT Unknown Malicious Second Stage Download URI Struct M2 Feb 06 2015

Query · suricata

flow:established,to_server;
http.uri;
content:".php?rnd="; fast_pattern;
content:"&id=";
pcre:"/\.php\?rnd=[0-9]{3,7}&id=[0-9A-F]{44,54}$/";
Raw source ET EXPLOIT_KIT Unknown Malicious Second Stage Download URI Struct M2 Feb 06 2015 · 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 -> $EXTERNAL_NET any (
    msg:"ET EXPLOIT_KIT Unknown Malicious Second Stage Download URI Struct M2 Feb 06 2015";
    flow:established,to_server;
    http.uri;
    content:".php?rnd="; fast_pattern;
    content:"&id=";
    pcre:"/\.php\?rnd=[0-9]{3,7}&id=[0-9A-F]{44,54}$/";
    classtype:exploit-kit;
    sid:2020644; rev:4;
    metadata:created_at 2015_03_07, confidence Medium, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_09_29;
)

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