""ET TROJAN DMSpammer HTTP Post Checkin""

SID: 2008271

Revision: 8

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: "POST"

  • Value: "/stat"

  • Value: ".php"

  • Value: "User-Agent|3a| Mozilla/4.0 (compatible|3b| Synapse)|0d 0a|"

  • Value: "x|9c|"

Within:

PCRE: "/\/stat\d+.php/U"

Special Options:

  • nocase

  • http_method

  • http_uri

  • http_uri

  • http_header

  • http_client_body

source