{"id":"902cedee-0398-4e3a-8183-6f3a89773a96","title":"Suspicious Invoke-Item From Mount-DiskImage","description":"Adversaries may abuse container files such as disk image (.iso, .vhd) file formats to deliver malicious payloads that may not be tagged with MOTW.","author":"frack113","status":"test","level":"medium","date":"2022-02-01","modified":"","tags":["attack.defense-impairment","attack.t1553.005"],"technique_ids":["T1553.005"],"logsource":{"product":"windows","category":"ps_script","definition":"Requirements: Script Block Logging must be enabled"},"falsepositives":["Legitimate PowerShell scripts"],"references":["https://github.com/redcanaryco/atomic-red-team/blob/f339e7da7d05f6057fdfcdd3742bfcf365fee2a9/atomics/T1553.005/T1553.005.md#atomic-test-2---mount-an-iso-image-and-run-executable-from-the-iso","https://learn.microsoft.com/en-us/powershell/module/storage/mount-diskimage?view=windowsserver2022-ps"],"source_path":"rules/windows/powershell/powershell_script/posh_ps_run_from_mount_diskimage.yml","source_sha256":"5f0339549e3fc6ffa42a047499f081ca96796d886651e591cbbe1a540f2092ba","source_url":"https://github.com/anpa1200/sigma/blob/b249e9683190cffdcaf188ccbfb90bf4759844e1/rules/windows/powershell/powershell_script/posh_ps_run_from_mount_diskimage.yml","license":"Detection Rule License 1.1","license_url":"https://github.com/SigmaHQ/Detection-Rule-License/blob/main/LICENSE.Detection.Rules.md","yaml":"title: Suspicious Invoke-Item From Mount-DiskImage\nid: 902cedee-0398-4e3a-8183-6f3a89773a96\nstatus: test\ndescription: Adversaries may abuse container files such as disk image (.iso, .vhd) file formats to deliver malicious payloads that may not be tagged with MOTW.\nreferences:\n    - https://github.com/redcanaryco/atomic-red-team/blob/f339e7da7d05f6057fdfcdd3742bfcf365fee2a9/atomics/T1553.005/T1553.005.md#atomic-test-2---mount-an-iso-image-and-run-executable-from-the-iso\n    - https://learn.microsoft.com/en-us/powershell/module/storage/mount-diskimage?view=windowsserver2022-ps\nauthor: frack113\ndate: 2022-02-01\ntags:\n    - attack.defense-impairment\n    - attack.t1553.005\nlogsource:\n    product: windows\n    category: ps_script\n    definition: 'Requirements: Script Block Logging must be enabled'\ndetection:\n    selection:\n        ScriptBlockText|contains|all:\n            - 'Mount-DiskImage '\n            - '-ImagePath '\n            - Get-Volume\n            - '.DriveLetter'\n            - 'invoke-item '\n            - '):\\'\n    condition: selection\nfalsepositives:\n    - Legitimate PowerShell scripts\nlevel: medium\n","validation":"yaml_parsed_not_backend_compiled_or_live_validated","techniques":[{"key":"enterprise/T1553.005","id":"T1553.005","name":"Mark-of-the-Web Bypass","page":"techniques/enterprise/T1553.005/"}],"data_path":"data/detection-rules/902cedee-0398-4e3a-8183-6f3a89773a96.json","kind":"sigma"}