""ET TROJAN Win32/Pterodo CnC Activity (POST)""

SID: 2035310

Revision: 2

Class Type: trojan-activity

Metadata: attack_target Client_Endpoint, created_at 2022_02_28, deployment Perimeter, malware_family Gamaredon, signature_severity Major, updated_at 2022_02_28

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: ".html"

  • Value: !"Android"

  • Value: !"Linux"

  • Value: "username=" Depth: 9

  • Value: "_"

  • Value: "&cart="

  • Value: "Content-Type|3a 20|application/x-www-form-urlencoded|0d 0a|"

  • Value: !"Referer|3a 20|"

Within:

PCRE: "/.html$/U"

Special Options:

  • http_method

  • http_uri

  • http_header

  • http_header

  • http_client_body

  • http_client_body

  • fast_pattern

  • http_client_body

  • http_header

  • http_header

source