{"id":"241e802a-b65e-484f-88cd-c2dc10f9206d","title":"Read Contents From Stdin Via Cmd.EXE","description":"Detect the use of \"<\" to read and potentially execute a file via cmd.exe","author":"frack113, Nasreddine Bencherchali (Nextron Systems)","status":"test","level":"medium","date":"2023-03-07","modified":"","tags":["attack.execution","attack.t1059.003"],"technique_ids":["T1059.003"],"logsource":{"category":"process_creation","product":"windows"},"falsepositives":["Unknown"],"references":["https://github.com/redcanaryco/atomic-red-team/blob/40b77d63808dd4f4eafb83949805636735a1fd15/atomics/T1059.003/T1059.003.md","https://web.archive.org/web/20220306121156/https://www.x86matthew.com/view_post?id=ntdll_pipe"],"source_path":"rules/windows/process_creation/proc_creation_win_cmd_stdin_redirect.yml","source_sha256":"d57f367f3a855369a3d7718538ddcd2064c41cddde97d2ebc4d9ba8a4652c8fb","source_url":"https://github.com/anpa1200/sigma/blob/b249e9683190cffdcaf188ccbfb90bf4759844e1/rules/windows/process_creation/proc_creation_win_cmd_stdin_redirect.yml","license":"Detection Rule License 1.1","license_url":"https://github.com/SigmaHQ/Detection-Rule-License/blob/main/LICENSE.Detection.Rules.md","yaml":"title: Read Contents From Stdin Via Cmd.EXE\nid: 241e802a-b65e-484f-88cd-c2dc10f9206d\nrelated:\n    - id: 00a4bacd-6db4-46d5-9258-a7d5ebff4003\n      type: obsolete\nstatus: test\ndescription: Detect the use of \"<\" to read and potentially execute a file via cmd.exe\nreferences:\n    - https://github.com/redcanaryco/atomic-red-team/blob/40b77d63808dd4f4eafb83949805636735a1fd15/atomics/T1059.003/T1059.003.md\n    - https://web.archive.org/web/20220306121156/https://www.x86matthew.com/view_post?id=ntdll_pipe\nauthor: frack113, Nasreddine Bencherchali (Nextron Systems)\ndate: 2023-03-07\ntags:\n    - attack.execution\n    - attack.t1059.003\nlogsource:\n    category: process_creation\n    product: windows\ndetection:\n    selection_cmd:\n        - OriginalFileName: 'Cmd.Exe'\n        - Image|endswith: '\\cmd.exe'\n    selection_cli:\n        CommandLine|contains: '<'\n    condition: all of selection_*\nfalsepositives:\n    - Unknown\nlevel: medium\n","validation":"yaml_parsed_not_backend_compiled_or_live_validated","techniques":[{"key":"enterprise/T1059.003","id":"T1059.003","name":"Windows Command Shell","page":"techniques/enterprise/T1059.003/"}],"data_path":"data/detection-rules/241e802a-b65e-484f-88cd-c2dc10f9206d.json","kind":"sigma"}