""ET CURRENT_EVENTS Nuclear EK Gate Sep 16 2014""

SID: 2019185

Revision: 3

Class Type: trojan-activity

Metadata: affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2014_09_16, deployment Perimeter, malware_family Nuclear, signature_severity Critical, tag Exploit_Kit, tag Nuclear, updated_at 2014_09_22

Reference:

Protocol: tcp

Source Network: $EXTERNAL_NET

Source Port: $HTTP_PORTS

Destination Network: $HOME_NET

Destination Port: any

Flow: established,from_server

Contents:

  • Value: "16.html"

  • Value: "etCookie"

  • Value: "document.write(|27|<iframe"

Within:

PCRE: "/^(?=(?:(?!<\/iframe>).)+?src\s?=\s?\x22http\x3a[^\x22]+16.html\x22)(?=(?:(?!<\/iframe>).)+?left\s?[\x3a\x3d]\s?[\x22\x27]?-)(?=(?:(?!<\/iframe>).)+?top\s?[\x3a\x3d]\s?[\x22\x27]?-)(?:(?!<\/iframe>).)+?<\/iframe>\x27\x29/Rsi"

Special Options:

  • file_data

source