""ET TROJAN Saint Bot CnC Activity""

SID: 2032753

Revision: 2

Class Type: trojan-activity

Metadata: affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2021_03_16, deployment Perimeter, signature_severity Major, updated_at 2021_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: "/gate.php"

  • Value: "Accept|3a 20|text/plain"

  • Value: "transfer=" Depth: 9

Within:

PCRE: "/^transfer=[A-Za-z0-9/+=]+$/P"

Special Options:

  • http_method

  • http_uri

  • http_header

  • http_client_body

  • fast_pattern

source