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

SID: 2021765

Revision: 2

Class Type: trojan-activity

Metadata: affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2015_09_14, deployment Perimeter, malware_family Nuclear, signature_severity Critical, tag Exploit_Kit, tag Nuclear, updated_at 2015_09_18

Reference:

Protocol: tcp

Source Network: $EXTERNAL_NET

Source Port: $HTTP_PORTS

Destination Network: $HOME_NET

Destination Port: any

Flow: established,from_server

Contents:

  • Value: "nginx"

  • Value: "X-Powered-By|3a|"

  • Value: "application/octet-stream"

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

Within:

PCRE:

Special Options:

  • http_header

  • http_header

  • http_header

  • http_header

source