Detectionhightest
Delete All Scheduled Tasks
Detects the usage of schtasks with the delete flag and the asterisk symbol to delete all tasks from the schedule of the local computer, including tasks scheduled by other users.
Convert In Phoenix Studio
Open this Sigma rule in the converter with the YAML preloaded and ready for backend selection.
Launch
Nasreddine Bencherchali (Nextron Systems)Created Fri Sep 09220457c1-1c9f-4c2e-afe6-9598926222c1windows
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:
Image|endswith: '\schtasks.exe'
CommandLine|contains|all:
- ' /delete '
- '/tn \*'
- ' /f'
condition: selectionFalse Positives
Unlikely
False positives are unlikely for most environments. High confidence detection.
References
MITRE ATT&CK
Tactics
Techniques
Rule Metadata
Rule ID
220457c1-1c9f-4c2e-afe6-9598926222c1
Status
test
Level
high
Type
Detection
Created
Fri Sep 09
Path
rules/windows/process_creation/proc_creation_win_schtasks_delete_all.yml
Raw Tags
attack.impactattack.t1489