""ET TROJAN TransparentTribe APT Maldoc CnC Checkin""

SID: 2028569

Revision: 3

Class Type: trojan-activity

Metadata: affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2019_09_10, deployment Perimeter, performance_impact Low, signature_severity Major, tag TransparentTribe, updated_at 2019_09_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: ".php"

  • Value: "relay=y" Depth: 7

  • Value: "Content-Type|3a 20|application|2f|x-www-form-urlencoded"

  • Value: !"Referer|3a|"

  • Value: !"Connection|3a|"

  • Value: !"Accept"

Within:

PCRE: "/.php$/U"

Special Options:

  • http_method

  • http_uri

  • http_client_body

  • fast_pattern

  • http_header

  • http_header

  • http_header

  • http_header

source