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sigmahighHunting

Terminal Service Process Spawn

Detects a process spawned by the terminal service server process (this could be an indicator for an exploitation of CVE-2019-0708)

MITRE ATT&CK

T1190T1210
initial-accesslateral-movement

Detection Query

selection:
  ParentCommandLine|contains|all:
    - \svchost.exe
    - termsvcs
filter_img:
  Image|endswith:
    - \rdpclip.exe
    - :\Windows\System32\csrss.exe
    - :\Windows\System32\wininit.exe
    - :\Windows\System32\winlogon.exe
filter_null:
  Image: null
condition: selection and not 1 of filter_*

Author

Florian Roth (Nextron Systems)

Created

2019-05-22

Data Sources

windowsProcess Creation Events

Platforms

windows

References

Tags

attack.initial-accessattack.t1190attack.lateral-movementattack.t1210car.2013-07-002
Raw Content
title: Terminal Service Process Spawn
id: 1012f107-b8f1-4271-af30-5aed2de89b39
status: test
description: Detects a process spawned by the terminal service server process (this could be an indicator for an exploitation of CVE-2019-0708)
references:
    - https://securingtomorrow.mcafee.com/other-blogs/mcafee-labs/rdp-stands-for-really-do-patch-understanding-the-wormable-rdp-vulnerability-cve-2019-0708/
author: Florian Roth (Nextron Systems)
date: 2019-05-22
modified: 2023-01-25
tags:
    - attack.initial-access
    - attack.t1190
    - attack.lateral-movement
    - attack.t1210
    - car.2013-07-002
logsource:
    product: windows
    category: process_creation
detection:
    selection:
        ParentCommandLine|contains|all:
            - '\svchost.exe'
            - 'termsvcs'
    filter_img:
        Image|endswith:
            - '\rdpclip.exe'
            - ':\Windows\System32\csrss.exe'
            - ':\Windows\System32\wininit.exe'
            - ':\Windows\System32\winlogon.exe'
    filter_null:
        Image: null
    condition: selection and not 1 of filter_*
falsepositives:
    - Unknown
level: high