{"id":"e5d36acd-acb4-4c6f-a13f-9eb203d50099","title":"Active Directory Structure Export Via Csvde.EXE","description":"Detects the execution of \"csvde.exe\" in order to export organizational Active Directory structure.","author":"Nasreddine Bencherchali (Nextron Systems)","status":"test","level":"medium","date":"2023-03-14","modified":"","tags":["attack.exfiltration","attack.discovery","attack.t1087.002"],"technique_ids":["T1087.002"],"logsource":{"category":"process_creation","product":"windows"},"falsepositives":["Unknown"],"references":["https://www.cybereason.com/blog/research/operation-ghostshell-novel-rat-targets-global-aerospace-and-telecoms-firms","https://web.archive.org/web/20180725233601/https://www.pwc.co.uk/cyber-security/pdf/cloud-hopper-annex-b-final.pdf","https://businessinsights.bitdefender.com/deep-dive-into-a-backdoordiplomacy-attack-a-study-of-an-attackers-toolkit","https://redcanary.com/blog/msix-installers/"],"source_path":"rules/windows/process_creation/proc_creation_win_csvde_export.yml","source_sha256":"b88c9156210cc05dcdd0d066420552eaa0e0bf85735cc20f1413fa1b17a7c55d","source_url":"https://github.com/anpa1200/sigma/blob/b249e9683190cffdcaf188ccbfb90bf4759844e1/rules/windows/process_creation/proc_creation_win_csvde_export.yml","license":"Detection Rule License 1.1","license_url":"https://github.com/SigmaHQ/Detection-Rule-License/blob/main/LICENSE.Detection.Rules.md","yaml":"title: Active Directory Structure Export Via Csvde.EXE\nid: e5d36acd-acb4-4c6f-a13f-9eb203d50099\nstatus: test\ndescription: Detects the execution of \"csvde.exe\" in order to export organizational Active Directory structure.\nreferences:\n    - https://www.cybereason.com/blog/research/operation-ghostshell-novel-rat-targets-global-aerospace-and-telecoms-firms\n    - https://web.archive.org/web/20180725233601/https://www.pwc.co.uk/cyber-security/pdf/cloud-hopper-annex-b-final.pdf\n    - https://businessinsights.bitdefender.com/deep-dive-into-a-backdoordiplomacy-attack-a-study-of-an-attackers-toolkit\n    - https://redcanary.com/blog/msix-installers/\nauthor: Nasreddine Bencherchali (Nextron Systems)\ndate: 2023-03-14\ntags:\n    - attack.exfiltration\n    - attack.discovery\n    - attack.t1087.002\nlogsource:\n    category: process_creation\n    product: windows\ndetection:\n    selection_img:\n        - Image|endswith: '\\csvde.exe'\n        - OriginalFileName: 'csvde.exe'\n    selection_remote:\n        CommandLine|contains: ' -f'\n    filter_import:\n        CommandLine|contains: ' -i'\n    condition: all of selection_* and not 1 of filter_*\nfalsepositives:\n    - Unknown\nlevel: medium\n","validation":"yaml_parsed_not_backend_compiled_or_live_validated","techniques":[{"key":"enterprise/T1087.002","id":"T1087.002","name":"Domain Account","page":"techniques/enterprise/T1087.002/"}],"data_path":"data/detection-rules/e5d36acd-acb4-4c6f-a13f-9eb203d50099.json","kind":"sigma"}