""ET TROJAN NORTHSTAR Command Response""

SID: 2030192

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: "GET"

  • Value: "/getresponse.php?slave=" Depth: 23

Within:

PCRE: "/\x0d\x0aReferer|3a 20|[^\r\n]+interact.php\?slave=[^\r\n]+&sid=/H"

Special Options:

  • http_method

  • fast_pattern

  • http_uri

source