""ET CURRENT_EVENTS Possible Spartan/Nuclear EK Payload""

SID: 2022135

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 2015_11_24, deployment Perimeter, malware_family Nuclear, signature_severity Critical, tag Exploit_Kit, tag Nuclear, updated_at 2015_11_24

Reference:

Protocol: tcp

Source Network: $EXTERNAL_NET

Source Port: $HTTP_PORTS

Destination Network: $HOME_NET

Destination Port: any

Flow: established,from_server

Contents:

  • Value: "Server|3a 20|nginx" Depth: 13

  • Value: "Content-Type|3a 20|application/octet-stream"

  • Value: "Accept-Ranges|3a 20|bytes|0d 0a|Content-Disposition|3a 20|inline|3b 20|filename=|0d 0a|"

Within:

PCRE: "/\x20filename=\r\n(?:\r\n)?$/H"

Special Options:

  • http_header

  • http_header

  • http_header

source