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Rev: 1 • Dec 29, 2020, 12:00 PMET EXPLOIT_KIT Possible PurpleFox EK Redirect
alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET EXPLOIT_KIT Possible PurpleFox EK Redirect"; flow:established,to_client; http.stat_code; content:"302"; http.location; content:"/?key="; fast_pattern; pcre:"/^[A-F0-9]{16}$/R"; file.data; content:"<body>"; content:"<a HREF=|22|http"; distance:0; content:"/?key="; within:400; pcre:"/^[A-F0-9]{16}\x22>/R"; content:!"<html>"; reference:url,twitter.com/nao_sec/status/1343918070989877252; classtype:exploit-kit; sid:2031463; rev:1; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2020_12_29, deployment Perimeter, confidence Medium, signature_severity Major, tag Exploit_Kit, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_12_29;)
Dec 29, 2020, 12:00 PM
Dec 29, 2020, 12:00 PM
Sep 21, 2024, 3:00 AM
Sep 15, 2025, 9:36 PM
rules/emerging-exploit_kit.rules