""ET TROJAN Maldoc Sending Windows System Information (POST)""

SID: 2034031

Revision: 1

Class Type: trojan-activity

Metadata: attack_target Client_Endpoint, created_at 2021_09_27, deployment Perimeter, deployment SSLDecrypt, performance_impact Low, signature_severity Major, updated_at 2021_09_27

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: "/t/" Depth: 3

  • Value: ".php?"

  • Value: "Host|3a 20|r.significantbyte.com|0d 0a|"

Within:

PCRE:

Special Options:

  • http_method

  • http_uri

  • http_uri

  • fast_pattern

  • http_header

source