""ET TROJAN MSIL/Agent.TRM Data Exfil (sysinfo)""

SID: 2029855

Revision: 2

Class Type: trojan-activity

Metadata: affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2020_04_09, deployment Perimeter, deployment SSLDecrypt, signature_severity Major, updated_at 2020_04_09

Reference:

Protocol: tcp

Source Network: $HOME_NET

Source Port: any

Destination Network: $EXTERNAL_NET

Destination Port: [$HTTP_PORTS,443]

Flow: established,to_server

Contents:

  • Value: "POST"

  • Value: !"Referer|3a 20|"

  • Value: !"Content-Type|3a 20|"

  • Value: "dkv=" Depth: 4

  • Value: "|3b|YSC="

  • Value: "DQpIb3N0IE5hbWU6" Depth: 16

Within: 5

PCRE: "/^dkv=[a-f0-9]{32}\x3bYSC=\d+$/C"

Special Options:

  • http_method

  • http_header

  • http_header

  • http_cookie

  • http_cookie

  • http_client_body

  • fast_pattern

source