""ET ATTACK_RESPONSE Windows SCM DLL Hijack Command Inbound via HTTP M2""

SID: 2027233

Revision: 2

Class Type: attempted-user

Metadata: affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_and_Server, created_at 2019_04_21, deployment Perimeter, performance_impact Low, signature_severity Major, tag T1038, updated_at 2019_04_22

Reference:

Protocol: tcp

Source Network: any

Source Port: $HTTP_PORTS

Destination Network: $HOME_NET

Destination Port: any

Flow: established,from_server

Contents:

  • Value: "200"

  • Value: "stop|20|SessionEnv"

  • Value: "copy|20|TSMSISrv.dll"

  • Value: "|5c|Windows|5c|System32|5c|TSMSISrv.dll"

Within:

PCRE:

Special Options:

  • http_stat_code

  • file_data

source