Query: detection rule: Detects changes to Microsoft Office protected view registry keys with which the attacker disables this feature.
Matching passage: Sigma rule: Detects changes to Microsoft Office protected view registry keys with which the attacker disables this feature.. Logsource: windows / registry_set. Rule: title: Microsoft Office Protected View Disabled id: a5c7a43f-6009-4a8c-80c5-32abf1c53ecc related: - id: 7c637634-c95d-4bbf-b26c-a82510874b34 type: obsolete status: test description: Detects changes to Microsoft Office protected view registry keys with which the attacker disables this feature. references: - https://github.com/redcanaryco/atomic-red-team/blob/f339e7da7d05f6057fdfcdd3742bfcf365fee2a9/atomics/T1562.001/T1562.001.md - https://unit42.paloaltonetworks.com/unit42-gorgon-group-slithering-nation-state-cybercrime/ - https://yoroi.company/research/cyber-criminal-espionage-operation-insists-on-italian-manufacturing/ - https://admx.help/HKCU/software/policies/microsoft/office/16.0/excel/security/protectedview author: frack113, Nasreddine Bencherchali (Nextron Systems) date: 2021-06-08 modified: 2023-08-17 tags: - attack.defense-impairment - attack.t1685 logsource: product: windows category: registry_set detection: selection_path: TargetObject|contains|all: - \SOFTWARE\Microsoft\Office\ - \Security\ProtectedView\ selection_values_1: Details: DWORD (0x00000001) TargetObject|endswith: - \DisableAttachementsInPV - \DisableInternetFilesInPV - \DisableIntranetCheck - \DisableUnsafeLocationsInPV selection_values_0: Details: DWORD (0x00000000) TargetObject|endswith: - \enabledatabasefileprotectedview - \enableforeigntextfileprotectedview condition: selection_path and 1 of selection_values_* falsepositives: - Unlikely level: high
Near-miss passage: Sigma rule: Detects potential tampering with Windows Defender settings such as adding exclusion using wmic. Logsource: windows / process_creation. Rule: title: Potential Windows Defender Tampering Via Wmic.EXE id: 51cbac1e-eee3-4a90-b1b7-358efb81fa0a status: test description: Detects potential tampering with Windows Defender settings such as adding exclusion using wmic references: - https://github.com/redcanaryco/atomic-red-team/blob/5c1e6f1b4fafd01c8d1ece85f510160fc1275fbf/atomics/T1562.001/T1562.001.md - https://www.bleepingcomputer.com/news/security/gootkit-malware-bypasses-windows-defender-by-setting-path-exclusions/ - https://www.bleepingcomputer.com/news/security/iobit-forums-hacked-to-spread-ransomware-to-its-members/ author: frack113 date: 2022-12-11 modified: 2023-02-14 tags: - attack.execution - attack.defense-impairment - attack.t1047 - attack.t1685 logsource: product: windows category: process_creation detection: selection_img: - OriginalFileName: wmic.exe - Image|endswith: \WMIC.exe selection_cli: CommandLine|contains: /Namespace:\\\\root\\Microsoft\\Windows\\Defender condition: all of selection_* falsepositives: - Unknown level: high simulation: - type: atomic-red-team name: WMIC Tamper with Windows Defender Evade Scanning Folder technique: T1562.001 atomic_guid: 59d386fc-3a4b-41b8-850d-9e3eee24dfe4 regression_tests_path: regression_data/rules/windows/process_creation/proc_creation_win_wmic_namespace_defender/info.yml