{"id":"00ba9da1-b510-4f6b-b258-8d338836180f","title":"Password Protected ZIP File Opened","description":"Detects the extraction of password protected ZIP archives. See the filename variable for more details on which file has been opened.","author":"Florian Roth (Nextron Systems)","status":"test","level":"medium","date":"2022-05-09","modified":"","tags":["attack.stealth","attack.t1027"],"technique_ids":["T1027"],"logsource":{"product":"windows","service":"security"},"falsepositives":["Legitimate used of encrypted ZIP files"],"references":["https://twitter.com/sbousseaden/status/1523383197513379841"],"source_path":"rules/windows/builtin/security/win_security_susp_opened_encrypted_zip.yml","source_sha256":"04473d9ced42ab8b8d8029199e0cebddded13168063e8ab96ad19df326dcd4a5","source_url":"https://github.com/anpa1200/sigma/blob/b249e9683190cffdcaf188ccbfb90bf4759844e1/rules/windows/builtin/security/win_security_susp_opened_encrypted_zip.yml","license":"Detection Rule License 1.1","license_url":"https://github.com/SigmaHQ/Detection-Rule-License/blob/main/LICENSE.Detection.Rules.md","yaml":"title: Password Protected ZIP File Opened\nid: 00ba9da1-b510-4f6b-b258-8d338836180f\nstatus: test\ndescription: Detects the extraction of password protected ZIP archives. See the filename variable for more details on which file has been opened.\nreferences:\n    - https://twitter.com/sbousseaden/status/1523383197513379841\nauthor: Florian Roth (Nextron Systems)\ndate: 2022-05-09\ntags:\n    - attack.stealth\n    - attack.t1027\nlogsource:\n    product: windows\n    service: security\ndetection:\n    selection:\n        EventID: 5379\n        TargetName|contains: 'Microsoft_Windows_Shell_ZipFolder:filename'\n    filter:  # avoid overlaps with 54f0434b-726f-48a1-b2aa-067df14516e4\n        TargetName|contains: '\\Temporary Internet Files\\Content.Outlook'\n    condition: selection and not filter\nfalsepositives:\n    - Legitimate used of encrypted ZIP files\nlevel: medium\n","validation":"yaml_parsed_not_backend_compiled_or_live_validated","techniques":[{"key":"enterprise/T1027","id":"T1027","name":"Obfuscated Files or Information","page":"techniques/enterprise/T1027/"}],"data_path":"data/detection-rules/00ba9da1-b510-4f6b-b258-8d338836180f.json","kind":"sigma"}