""ET TROJAN Generic Downloader Checkin - HTTP GET""

SID: 2009527

Revision: 6

Class Type: trojan-activity

Metadata: created_at 2010_07_30, updated_at 2012_03_16

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: ".php?"

  • Value: "machineid="

  • Value: "pubuserid="

  • Value: "checkversion="

  • Value: !"User-Agent|3a|"

Within:

PCRE:

Special Options:

  • nocase

  • http_method

  • nocase

  • http_uri

  • nocase

  • http_uri

  • nocase

  • http_uri

  • nocase

  • http_uri

  • http_header

  • nocase

source