1type: trigger
2name: sigmahq/proc_creation_win_schtasks_creation_temp_folder
3description: |
4  Detects the creation of scheduled tasks that involves a temporary folder and runs only once
5filter: |
6  (evt.Meta.service == 'sysmon' && evt.Parsed.EventID == '1') && (evt.Parsed.Image endsWith '\\schtasks.exe' && evt.Parsed.CommandLine contains ' /create ' && evt.Parsed.CommandLine contains ' /sc once ' && evt.Parsed.CommandLine contains '\\Temp\\')
7blackhole: 2m
8#status: test
9labels:
10  service: windows
11  confidence: 1
12  spoofable: 0
13  classification:
14   - attack.t1053.005
15
16  label: "Suspicious Scheduled Task Creation Involving Temp Folder"
17  behavior : "windows:audit"
18  remediation: false
19
20scope:
21  type: ParentProcessId
22  expression: evt.Parsed.ParentProcessId
23
24