{"id":"6c6d9280-e6d0-4b9d-80ac-254701b64916","title":"Potential NTLM Coercion Via Certutil.EXE","description":"Detects possible NTLM coercion via certutil using the 'syncwithWU' flag","author":"Nasreddine Bencherchali (Nextron Systems)","status":"test","level":"high","date":"2022-09-01","modified":"2023-02-14","tags":["attack.stealth","attack.t1218"],"technique_ids":["T1218"],"logsource":{"category":"process_creation","product":"windows"},"falsepositives":["Unknown"],"references":["https://github.com/LOLBAS-Project/LOLBAS/issues/243"],"source_path":"rules/windows/process_creation/proc_creation_win_certutil_ntlm_coercion.yml","source_sha256":"13fd1af3471ae068c1be0041a9903541f262c1ffdacc9a6b244ba11f05e77975","source_url":"https://github.com/anpa1200/sigma/blob/b249e9683190cffdcaf188ccbfb90bf4759844e1/rules/windows/process_creation/proc_creation_win_certutil_ntlm_coercion.yml","license":"Detection Rule License 1.1","license_url":"https://github.com/SigmaHQ/Detection-Rule-License/blob/main/LICENSE.Detection.Rules.md","yaml":"title: Potential NTLM Coercion Via Certutil.EXE\nid: 6c6d9280-e6d0-4b9d-80ac-254701b64916\nstatus: test\ndescription: Detects possible NTLM coercion via certutil using the 'syncwithWU' flag\nreferences:\n    - https://github.com/LOLBAS-Project/LOLBAS/issues/243\nauthor: Nasreddine Bencherchali (Nextron Systems)\ndate: 2022-09-01\nmodified: 2023-02-14\ntags:\n    - attack.stealth\n    - attack.t1218\nlogsource:\n    category: process_creation\n    product: windows\ndetection:\n    selection_img:\n        - Image|endswith: '\\certutil.exe'\n        - OriginalFileName: 'CertUtil.exe'\n    selection_cli:\n        CommandLine|contains|all:\n            - ' -syncwithWU '\n            - ' \\\\\\\\'\n    condition: all of selection_*\nfalsepositives:\n    - Unknown\nlevel: high\nregression_tests_path: regression_data/rules/windows/process_creation/proc_creation_win_certutil_ntlm_coercion/info.yml\n","validation":"yaml_parsed_not_backend_compiled_or_live_validated","techniques":[{"key":"enterprise/T1218","id":"T1218","name":"System Binary Proxy Execution","page":"techniques/enterprise/T1218/"}],"data_path":"data/detection-rules/6c6d9280-e6d0-4b9d-80ac-254701b64916.json","kind":"sigma"}