Versions (3)
Version DetailsCurrent
Rev: 3 • Nov 27, 2013, 12:00 PMET EXPLOIT_KIT Nuclear EK IE Exploit CVE-2013-2551
alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET EXPLOIT_KIT Nuclear EK IE Exploit CVE-2013-2551"; flow:from_server,established; file_data; content:"#default#VML"; nocase; fast_pattern; content:"stroke"; nocase; content:"visibility"; nocase; content:"hidden"; nocase; distance:0; content:"Array"; nocase; pcre:"/^[\r\n\s]*?\([\r\n\s]*?[\x22\x27]f([\x22\x27][\r\n\s]*?,[\r\n\s]*[\x22\x27])?r([\x22\x27][\r\n\s]*?,[\r\n\s]*[\x22\x27])?o([\x22\x27][\r\n\s]*?,[\r\n\s]*[\x22\x27])?m([\x22\x27][\r\n\s]*?,[\r\n\s]*[\x22\x27])?C([\x22\x27][\r\n\s]*?,[\r\n\s]*[\x22\x27])?h([\x22\x27][\r\n\s]*?,[\r\n\s]*[\x22\x27])?a([\x22\x27][\r\n\s]*?,[\r\n\s]*[\x22\x27])?r([\x22\x27][\r\n\s]*?,[\r\n\s]*[\x22\x27])?c([\x22\x27][\r\n\s]*?,[\r\n\s]*[\x22\x27])?o([\x22\x27][\r\n\s]*?,[\r\n\s]*[\x22\x27])?d([\x22\x27][\r\n\s]*?,[\r\n\s]*[\x22\x27])?e[\x22\x27]/Ri"; classtype:exploit-kit; sid:2017785; rev:3; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2013_11_27, deployment Perimeter, malware_family Nuclear, confidence High, signature_severity Critical, tag Exploit_Kit, tag Nuclear, tag CISA_KEV, updated_at 2019_10_08;)
Nov 27, 2013, 12:00 PM
Oct 8, 2019, 12:00 PM
Sep 21, 2024, 3:00 AM
May 30, 2025, 12:04 AM
rules/emerging-exploit_kit.rules