""ET TROJAN NORTHSTAR Command Sent to Client""

SID: 2030191

Revision: 2

Class Type: trojan-activity

Metadata: attack_target Client_Endpoint, created_at 2020_05_19, deployment Perimeter, performance_impact Low, signature_severity Major, updated_at 2020_05_19

Reference:

Protocol: tcp

Source Network: $HOME_NET

Source Port: any

Destination Network: $EXTERNAL_NET

Destination Port: $HTTP_PORTS

Flow: established,to_server

Contents:

  • Value: "POST"

  • Value: "setCommand.nonfunction.php|20|"

  • Value: "slave=" Depth: 6

  • Value: "&command="

  • Value: "&sid="

  • Value: "&token="

Within:

PCRE:

Special Options:

  • http_method

  • fast_pattern

  • http_client_body

  • http_client_body

  • http_client_body

  • http_client_body

source