""ET TROJAN MontysThree HTTPTransport Module Activity""

SID: 2030994

Revision: 2

Class Type: trojan-activity

Metadata: attack_target Client_Endpoint, created_at 2020_10_09, deployment Perimeter, performance_impact Low, signature_severity Major, updated_at 2020_10_09

Reference:

• Link

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?id="

• Value: "Content-Disposition|3a 20|form-data|3b 20|name=|22|image|22 3b 20|filename=|22|image.jpg|22|"

• Value: !"Referer"

Within:

PCRE: "/(?:[A-Za-z0-9+/]{4})*(?:[A-Za-z0-9+/]{2}==|[A-Za-z0-9+/]{3}=|[A-Za-z0-9+/]{4})$/U"

Special Options:

• http_method

• http_uri

• fast_pattern

• http_header

• http_header

source