ET EXPLOIT_KIT Internet Explorer Information Disclosure Vuln as Observed in RIG EK Prefilter M1 Dec 06

Query · suricata

flow:established,from_server;
file_data;
content:"res|3a 2f 2f|"; nocase; fast_pattern;
content:"/#24/";
pcre:"/^#?\d+/R";
content:".exe";
content:"|5c 5c|Progra"; nocase;
Raw source ET EXPLOIT_KIT Internet Explorer Information Disclosure Vuln as Observed in RIG EK Prefilter M1 Dec 06 · Suricata
Esc
Published by Emerging Threats Open ↗, licensed under BSD 3-Clause ↗. Line breaks added for readability; the rule is otherwise unchanged. 
alert http $EXTERNAL_NET any -> $HOME_NET any (
    msg:"ET EXPLOIT_KIT Internet Explorer Information Disclosure Vuln as Observed in RIG EK Prefilter M1 Dec 06";
    flow:established,from_server;
    file_data;
    content:"res|3a 2f 2f|"; nocase; fast_pattern;
    content:"/#24/";
    pcre:"/^#?\d+/R";
    content:".exe";
    content:"|5c 5c|Progra"; nocase;
    classtype:exploit-kit;
    sid:2023586; rev:3;
    metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, affected_product Web_Browser_Plugins, attack_target Client_Endpoint, created_at 2016_12_06, deployment Perimeter, malware_family Exploit_Kit_RIG, confidence High, signature_severity Major, tag Exploit_kit_RIG, updated_at 2019_10_08, mitre_tactic_id TA0007, mitre_tactic_name Discovery, mitre_technique_id T1082, mitre_technique_name System_Information_Discovery;
)

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