{"id":"b4dc61f5-6cce-468e-a608-b48b469feaa2","title":"DirLister Execution","description":"Detect the usage of \"DirLister.exe\" a utility for quickly listing folder or drive contents. It was seen used by BlackCat ransomware to create a list of accessible directories and files.","author":"frack113","status":"test","level":"low","date":"2022-08-20","modified":"2023-02-04","tags":["attack.discovery","attack.t1083"],"technique_ids":["T1083"],"logsource":{"category":"process_creation","product":"windows"},"falsepositives":["Legitimate use by users"],"references":["https://github.com/redcanaryco/atomic-red-team/blob/40b77d63808dd4f4eafb83949805636735a1fd15/atomics/T1083/T1083.md","https://news.sophos.com/en-us/2022/07/14/blackcat-ransomware-attacks-not-merely-a-byproduct-of-bad-luck/"],"source_path":"rules/windows/process_creation/proc_creation_win_dirlister_execution.yml","source_sha256":"cc4949b49dc16a29ed91ca12f38d09a24673330d3341a3c7c35f00780d1cc5b4","source_url":"https://github.com/anpa1200/sigma/blob/b249e9683190cffdcaf188ccbfb90bf4759844e1/rules/windows/process_creation/proc_creation_win_dirlister_execution.yml","license":"Detection Rule License 1.1","license_url":"https://github.com/SigmaHQ/Detection-Rule-License/blob/main/LICENSE.Detection.Rules.md","yaml":"title: DirLister Execution\nid: b4dc61f5-6cce-468e-a608-b48b469feaa2\nstatus: test\ndescription: Detect the usage of \"DirLister.exe\" a utility for quickly listing folder or drive contents. It was seen used by BlackCat ransomware to create a list of accessible directories and files.\nreferences:\n    - https://github.com/redcanaryco/atomic-red-team/blob/40b77d63808dd4f4eafb83949805636735a1fd15/atomics/T1083/T1083.md\n    - https://news.sophos.com/en-us/2022/07/14/blackcat-ransomware-attacks-not-merely-a-byproduct-of-bad-luck/\nauthor: frack113\ndate: 2022-08-20\nmodified: 2023-02-04\ntags:\n    - attack.discovery\n    - attack.t1083\nlogsource:\n    category: process_creation\n    product: windows\ndetection:\n    selection:\n        - OriginalFileName: 'DirLister.exe'\n        - Image|endswith: '\\DirLister.exe'\n    condition: selection\nfalsepositives:\n    - Legitimate use by users\nlevel: low\nregression_tests_path: regression_data/rules/windows/process_creation/proc_creation_win_dirlister_execution/info.yml\nsimulation:\n    - type: atomic-red-team\n      name: Launch DirLister Executable\n      technique: T1083\n      atomic_guid: c5bec457-43c9-4a18-9a24-fe151d8971b7\n","validation":"yaml_parsed_not_backend_compiled_or_live_validated","techniques":[{"key":"enterprise/T1083","id":"T1083","name":"File and Directory Discovery","page":"techniques/enterprise/T1083/"}],"data_path":"data/detection-rules/b4dc61f5-6cce-468e-a608-b48b469feaa2.json","kind":"sigma"}