Detectionmediumtest
Suspicious Scheduled Task Name As GUID
Detects creation of a scheduled task with a GUID like name
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Nasreddine Bencherchali (Nextron Systems)Created Mon Oct 31ff2fff64-4cd6-4a2b-ba7d-e28a30bbe66bwindows
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 Logic3 selectors
detection:
selection_img:
Image|endswith: '\schtasks.exe'
CommandLine|contains: '/Create '
selection_tn:
CommandLine|contains:
# Can start with single or double quote
- '/TN "{'
- "/TN '{"
- "/TN {"
selection_end:
CommandLine|contains:
# Ending of the name to avoid possible FP in the rest of the commandline
- '}"'
- "}'"
- '} '
condition: all of selection_*False Positives
Legitimate software naming their tasks as GUIDs
MITRE ATT&CK
Rule Metadata
Rule ID
ff2fff64-4cd6-4a2b-ba7d-e28a30bbe66b
Status
test
Level
medium
Type
Detection
Created
Mon Oct 31
Path
rules/windows/process_creation/proc_creation_win_schtasks_guid_task_name.yml
Raw Tags
attack.privilege-escalationattack.persistenceattack.executionattack.t1053.005