""ET TROJAN PseudoManuscrypt Activity (POST)""

SID: 2043997

Revision: 1

Class Type: trojan-activity

Metadata: attack_target Client_Endpoint, created_at 2023_01_26, deployment Perimeter, deployment SSLDecrypt, performance_impact Moderate, confidence Medium, signature_severity Major, updated_at 2023_01_26

Reference:

  • md5

  • b9363486500e209c05f97330226bbf8a

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: "p=" Depth: 2

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

  • Value: !"Referer"

Within:

PCRE: "/^Accept[^\r\n]+\r\nContent-Type[^\r\n]+\r\n/H"

Special Options:

  • http_method

  • http_client_body

  • fast_pattern

  • http_header

  • http_header

source