ET EXPLOIT_KIT RIG EK URI Struct Feb 26 2017

Query · suricata

flow:established,to_server;
urilen:>90;
flowbits:set,ET.RIGEKExploit;
http.uri;
content:"oq="; fast_pattern;
pcre:"/^\/\?o?q=(?=[A-Za-z_-]*[0-9])(?=[a-z0-9_-]*[A-Z][a-z0-9_-]*[A-Z])(?=[A-Z0-9_-]*[a-z][A-Z0-9_-]*[a-z])[A-Za-z0-9_-]+&o?q=(?=[A-Za-z_-]*[0-9])(?=[a-z0-9_-]*[A-Z][a-z0-9_-]*[A-Z])(?=[A-Z0-9_-]*[a-z][A-Z0-9_-]*[a-z])[A-Za-z0-9_-]+$/";
http.header_names;
content:!"Cookie|0d 0a|";

Rule dependencies

Feeds into

  • Nothing indexed reads ET.RIGEKExploit.
Raw source ET EXPLOIT_KIT RIG EK URI Struct Feb 26 2017 · 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 -> $EXTERNAL_NET any (
    msg:"ET EXPLOIT_KIT RIG EK URI Struct Feb 26 2017";
    flow:established,to_server;
    urilen:>90;
    flowbits:set,ET.RIGEKExploit;
    http.uri;
    content:"oq="; fast_pattern;
    pcre:"/^\/\?o?q=(?=[A-Za-z_-]*[0-9])(?=[a-z0-9_-]*[A-Z][a-z0-9_-]*[A-Z])(?=[A-Z0-9_-]*[a-z][A-Z0-9_-]*[a-z])[A-Za-z0-9_-]+&o?q=(?=[A-Za-z_-]*[0-9])(?=[a-z0-9_-]*[A-Z][a-z0-9_-]*[A-Z])(?=[A-Z0-9_-]*[a-z][A-Z0-9_-]*[a-z])[A-Za-z0-9_-]+$/";
    http.header_names;
    content:!"Cookie|0d 0a|";
    classtype:exploit-kit;
    sid:2024020; rev:5;
    metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, affected_product Web_Browser_Plugins, attack_target Client_Endpoint, created_at 2017_02_27, deployment Perimeter, malware_family Exploit_Kit_RIG, performance_impact Low, confidence High, signature_severity Major, tag Exploit_kit_RIG, updated_at 2020_11_03;
)

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