ET EXPLOIT_KIT Disdain EK URI Struct Aug 23 2017 M1

Query · suricata

flow:established,to_server;
urilen:>41;
flowbits:set,ET.DisDain.EK;
http.uri;
content:".php"; offset:38; depth:4;
pcre:"/^\/(?=[a-z0-9]{0,22}[A-Z]+?[a-z0-9])(?=[A-Z0-9]{0,22}[a-z]+?[A-Z0-9])[a-zA-Z0-9]{24}\/[a-zA-Z0-9]{12}\.php(?:\?[^&=]+=(?:[a-zA-Z0-9]{8}|0(?:189|037)|flash|2(?:551|419)|6332))?$/";

Rule dependencies

Feeds into

  • 4 rules read ET.DisDain.EK · view all
Raw source ET EXPLOIT_KIT Disdain EK URI Struct Aug 23 2017 M1 · 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 -> $EXTERNAL_NET any (
#    msg:"ET EXPLOIT_KIT Disdain EK URI Struct Aug 23 2017 M1";
#    flow:established,to_server;
#    urilen:>41;
#    flowbits:set,ET.DisDain.EK;
#    http.uri;
#    content:".php"; offset:38; depth:4;
#    pcre:"/^\/(?=[a-z0-9]{0,22}[A-Z]+?[a-z0-9])(?=[A-Z0-9]{0,22}[a-z]+?[A-Z0-9])[a-zA-Z0-9]{24}\/[a-zA-Z0-9]{12}\.php(?:\?[^&=]+=(?:[a-zA-Z0-9]{8}|0(?:189|037)|flash|2(?:551|419)|6332))?$/";
#    classtype:exploit-kit;
#    sid:2024606; rev:4;
#    metadata:created_at 2017_08_23, deprecation_reason Age, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2023_12_12, reviewed_at 2023_12_12;
#)

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