""ET TROJAN Win32/Agent.XST Checkin""

SID: 2022362

Revision: 1

Class Type: trojan-activity

Metadata: created_at 2016_01_13, updated_at 2016_01_13

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: !"Referer|3a|"

  • Value: !"Accept|3a|"

  • Value: "Content-Type|3a 20|text/html|0d 0a|"

  • Value: "this is UP" Depth: 10

  • Value: "|00 00 00 00|"

Within:

PCRE:

Special Options:

  • http_method

  • http_header

  • http_header

  • http_header

  • http_client_body

  • fast_pattern

  • http_client_body

source