Detectioncriticaltest
Sticky Key Like Backdoor Execution
Detects the usage and installation of a backdoor that uses an option to register a malicious debugger for built-in tools that are accessible in the login screen
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Launch
Florian Roth (Nextron Systems), Jonhnathan Ribeiro, oscd.communityCreated Thu Mar 15Updated Tue Mar 072fdefcb3-dbda-401e-ae23-f0db027628bcwindows
Log Source
WindowsProcess Creation
ProductWindows← raw: windows
CategoryProcess Creation← raw: process_creation
Events generated when a new process is spawned on the system. Covers command-line arguments, parent/child relationships, and process metadata.
Detection Logic
Detection Logic1 selector
detection:
selection:
ParentImage|endswith: '\winlogon.exe'
Image|endswith:
- '\cmd.exe'
- '\cscript.exe'
- '\mshta.exe'
- '\powershell.exe'
- '\pwsh.exe'
- '\regsvr32.exe'
- '\rundll32.exe'
- '\wscript.exe'
- '\wt.exe'
CommandLine|contains:
- 'sethc.exe'
- 'utilman.exe'
- 'osk.exe'
- 'Magnify.exe'
- 'Narrator.exe'
- 'DisplaySwitch.exe'
condition: selectionFalse Positives
Unlikely
False positives are unlikely for most environments. High confidence detection.
References
MITRE ATT&CK
Sub-techniques
CAR Analytics
2014-11-003 · CAR 2014-11-0032014-11-008 · CAR 2014-11-008
Rule Metadata
Rule ID
2fdefcb3-dbda-401e-ae23-f0db027628bc
Status
test
Level
critical
Type
Detection
Created
Thu Mar 15
Modified
Tue Mar 07
Path
rules/windows/process_creation/proc_creation_win_cmd_sticky_key_like_backdoor_execution.yml
Raw Tags
attack.privilege-escalationattack.persistenceattack.t1546.008car.2014-11-003car.2014-11-008