""ET TROJAN Possible Fake AV Checkin""

SID: 2011912

Revision: 8

Class Type: trojan-activity

Metadata: created_at 2010_11_09, updated_at 2014_09_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: "POST"

  • Value: ".php"

  • Value: "User-Agent|3a| Mozilla/4.0 (compatible|3b| MSIE 6.0|3b| Windows NT 5.0)|0d 0a|"

  • Value: "data="

  • Value: !"|0d 0a|Referer|3a|"

Within:

PCRE: "/data=[a-zA-Z0-9+\/]{64}/P"

Special Options:

  • http_method

  • nocase

  • http_uri

  • http_header

  • fast_pattern

  • http_client_body

  • http_header

source