ET EXPLOIT_KIT Possible PurpleFox EK Framework Landing - Various Exploits

Query · suricata

flow:established,to_client;
file_data;
content:"<!DOCTYPE html>|0d 0a|<html>|0d 0a|<head>|0d 0a|<meta charset =|20 22|UTF-8|22|>|0d 0a|<title></title>|0d 0a|<embed src=|22|";
content:".swf|22|></embed>|0d 0a|";
content:"if (window.ActiveXObject|20 7c 7c 20 22|ActiveXObject|22 20|in window){|0d 0a|document.write(unescape("; fast_pattern;
Raw source ET EXPLOIT_KIT Possible PurpleFox EK Framework Landing - Various Exploits · Suricata
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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 Possible PurpleFox EK Framework Landing - Various Exploits";
    flow:established,to_client;
    file_data;
    content:"<!DOCTYPE html>|0d 0a|<html>|0d 0a|<head>|0d 0a|<meta charset =|20 22|UTF-8|22|>|0d 0a|<title></title>|0d 0a|<embed src=|22|";
    content:".swf|22|></embed>|0d 0a|";
    content:"if (window.ActiveXObject|20 7c 7c 20 22|ActiveXObject|22 20|in window){|0d 0a|document.write(unescape("; fast_pattern;
    classtype:exploit-kit;
    sid:2028975; rev:2;
    metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2019_11_14, deployment Perimeter, confidence Medium, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2019_11_14;
)

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