""ET TROJAN MSIL/Monitor.PCTattletale.A Checkin (POST)""

SID: 2034013

Revision: 2

Class Type: trojan-activity

Metadata: attack_target Client_Endpoint, created_at 2021_09_23, deployment Perimeter, deployment SSLDecrypt, performance_impact Low, signature_severity Major, updated_at 2021_09_23

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: "/Prod/api/pctt/devices/" Depth: 23

  • Value: "{|22|MemberID|22 3a|" Depth: 12

  • Value: "|22 2c 22|DeviceName|22 3a 22|"

  • Value: "|22 2c 22|DeviceDescription|22 3a 22|"

  • Value: "|22 2c 22|SoftwareVersion|22 3a 22|"

  • Value: !"Referer"

  • Value: !"User-Agent"

Within:

PCRE: "/\/devices\/$/U"

Special Options:

  • http_method

  • fast_pattern

  • http_uri

  • http_client_body

  • http_client_body

  • http_client_body

  • http_header

  • http_header

source