Detectionhightest
PUA - Wsudo Suspicious Execution
Detects usage of wsudo (Windows Sudo Utility). Which is a tool that let the user execute programs with different permissions (System, Trusted Installer, Administrator...etc)
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Nasreddine Bencherchali (Nextron Systems)Created Fri Dec 02Updated Tue Feb 14bdeeabc9-ff2a-4a51-be59-bb253aac7891windows
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 Logic2 selectors
detection:
selection_metadata:
- Image|endswith: '\wsudo.exe'
- OriginalFileName: 'wsudo.exe'
- Description: 'Windows sudo utility'
- ParentImage|endswith: '\wsudo-bridge.exe'
selection_cli:
CommandLine|contains:
- '-u System'
- '-uSystem'
- '-u TrustedInstaller'
- '-uTrustedInstaller'
- ' --ti '
condition: 1 of selection_*False Positives
Unknown
False positive likelihood has not been assessed. Additional context may be needed during triage.
References
MITRE ATT&CK
Rule Metadata
Rule ID
bdeeabc9-ff2a-4a51-be59-bb253aac7891
Status
test
Level
high
Type
Detection
Created
Fri Dec 02
Modified
Tue Feb 14
Path
rules/windows/process_creation/proc_creation_win_pua_wsudo_susp_execution.yml
Raw Tags
attack.executionattack.privilege-escalationattack.t1059