""ET TROJAN Darkness DDoS Bot Checkin""

SID: 2011996

Revision: 11

Class Type: trojan-activity

Metadata: created_at 2010_12_06, updated_at 2015_03_12

Reference:

Protocol: tcp

Source Network: $HOME_NET

Source Port: any

Destination Network: $EXTERNAL_NET

Destination Port: $HTTP_PORTS

Flow: established,to_server

Contents:

  • Value: ".php?uid="

  • Value: "&ver="

  • Value: !"Accept|3a|"

  • Value: "User-Agent|3a 20|darkness"

Within:

PCRE: "/.php\?uid=\d{5,6}&ver=[^&]+(&traff=\d+)?$/U"

Special Options:

  • nocase

  • http_uri

  • http_uri

  • http_header

  • http_header

  • fast_pattern

source