{"id":"ff2fff64-4cd6-4a2b-ba7d-e28a30bbe66b","title":"Suspicious Scheduled Task Name As GUID","description":"Detects creation of a scheduled task with a GUID like name","author":"Nasreddine Bencherchali (Nextron Systems)","status":"test","level":"medium","date":"2022-10-31","modified":"","tags":["attack.privilege-escalation","attack.persistence","attack.execution","attack.t1053.005"],"technique_ids":["T1053.005"],"logsource":{"product":"windows","category":"process_creation"},"falsepositives":["Legitimate software naming their tasks as GUIDs"],"references":["https://thedfirreport.com/2022/10/31/follina-exploit-leads-to-domain-compromise/","https://thedfirreport.com/2022/02/21/qbot-and-zerologon-lead-to-full-domain-compromise/"],"source_path":"rules/windows/process_creation/proc_creation_win_schtasks_guid_task_name.yml","source_sha256":"6c31607e085bff67a8e7d739a335e9bb12b19422edd0d0da73ec68d2b4cb0a1f","source_url":"https://github.com/anpa1200/sigma/blob/b249e9683190cffdcaf188ccbfb90bf4759844e1/rules/windows/process_creation/proc_creation_win_schtasks_guid_task_name.yml","license":"Detection Rule License 1.1","license_url":"https://github.com/SigmaHQ/Detection-Rule-License/blob/main/LICENSE.Detection.Rules.md","yaml":"title: Suspicious Scheduled Task Name As GUID\nid: ff2fff64-4cd6-4a2b-ba7d-e28a30bbe66b\nstatus: test\ndescription: Detects creation of a scheduled task with a GUID like name\nreferences:\n    - https://thedfirreport.com/2022/10/31/follina-exploit-leads-to-domain-compromise/\n    - https://thedfirreport.com/2022/02/21/qbot-and-zerologon-lead-to-full-domain-compromise/\nauthor: Nasreddine Bencherchali (Nextron Systems)\ndate: 2022-10-31\ntags:\n    - attack.privilege-escalation\n    - attack.persistence\n    - attack.execution\n    - attack.t1053.005\nlogsource:\n    product: windows\n    category: process_creation\ndetection:\n    selection_img:\n        Image|endswith: '\\schtasks.exe'\n        CommandLine|contains: '/Create '\n    selection_tn:\n        CommandLine|contains:\n            # Can start with single or double quote\n            - '/TN \"{'\n            - \"/TN '{\"\n            - \"/TN {\"\n    selection_end:\n        CommandLine|contains:\n            # Ending of the name to avoid possible FP in the rest of the commandline\n            - '}\"'\n            - \"}'\"\n            - '} '\n    condition: all of selection_*\nfalsepositives:\n    - Legitimate software naming their tasks as GUIDs\nlevel: medium\n","validation":"yaml_parsed_not_backend_compiled_or_live_validated","techniques":[{"key":"enterprise/T1053.005","id":"T1053.005","name":"Scheduled Task","page":"techniques/enterprise/T1053.005/"}],"data_path":"data/detection-rules/ff2fff64-4cd6-4a2b-ba7d-e28a30bbe66b.json","kind":"sigma"}