""ET TROJAN MSIL/Agent.TRM Checkin Response""

SID: 2029853

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:

  • md5

  • d2b81c4f5d075daa681f823cc9a5e4c0

Protocol: tcp

Source Network: $EXTERNAL_NET

Source Port: [$HTTP_PORTS,443]

Destination Network: $HOME_NET

Destination Port: any

Flow: established,to_client

Contents:

  • Value: "|0d 0a|Set-Cookie|3a 20|dkv="

  • Value: "201"

  • Value: "dkv=" Depth: 4

Within:

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

Special Options:

  • http_stat_code

  • http_cookie

source