""ET TROJAN APT-C-23 Activity (POST)""

SID: 2033200

Revision: 1

Class Type: trojan-activity

Metadata: attack_target Client_Endpoint, created_at 2021_06_28, deployment Perimeter, performance_impact Low, signature_severity Major, updated_at 2021_06_28

Reference:

  • md5

  • 738886d83e8dc379fc463e3869c74217

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: "/mehro"

  • Value: "celal=" Depth: 6

  • Value: "&type="

  • Value: "&value="

  • Value: !"Referer|3a 20|"

  • Value: !"Accept"

  • Value: !"Connect|3a 20|"

Within:

PCRE: "/\/mehro$/U"

Special Options:

  • http_method

  • fast_pattern

  • http_uri

  • http_client_body

  • http_client_body

  • http_client_body

  • http_header

  • http_header

  • http_header

source