sigmahighHunting

UAC Bypass via Sdclt

Detects the pattern of UAC Bypass using registry key manipulation of sdclt.exe (e.g. UACMe 53)

MITRE ATT&CK

defense-evasionprivilege-escalation

Detection Query

selection1:
  TargetObject|endswith: Software\Classes\exefile\shell\runas\command\isolatedCommand
selection2:
  TargetObject|endswith: Software\Classes\Folder\shell\open\command\SymbolicLinkValue
  Details|re: -1[0-9]{3}\\Software\\Classes\\
condition: 1 of selection*

Author

Omer Yampel, Christian Burkard (Nextron Systems)

Created

2017-03-17

Data Sources

windowsRegistry Set Events

Platforms

windows

References

Tags

attack.defense-evasionattack.privilege-escalationattack.t1548.002car.2019-04-001

Raw Content

title: UAC Bypass via Sdclt
id: 5b872a46-3b90-45c1-8419-f675db8053aa
status: test
description: Detects the pattern of UAC Bypass using registry key manipulation of sdclt.exe (e.g. UACMe 53)
references:
    - https://enigma0x3.net/2017/03/17/fileless-uac-bypass-using-sdclt-exe/
    - https://github.com/hfiref0x/UACME
author: Omer Yampel, Christian Burkard (Nextron Systems)
date: 2017-03-17
modified: 2023-08-17
tags:
    - attack.defense-evasion
    - attack.privilege-escalation
    - attack.t1548.002
    - car.2019-04-001
logsource:
    category: registry_set
    product: windows
detection:
    selection1:
        TargetObject|endswith: 'Software\Classes\exefile\shell\runas\command\isolatedCommand'
    selection2:
        TargetObject|endswith: 'Software\Classes\Folder\shell\open\command\SymbolicLinkValue'
        Details|re: '-1[0-9]{3}\\Software\\Classes\\'
    condition: 1 of selection*
falsepositives:
    - Unknown
level: high