Query: write Sigma for Detects the enabling of the Windows Recall feature via registry manipulation. Windows Recall can be enabled by deleting
Matching passage: Sigma rule: Detects the enabling of the Windows Recall feature via registry manipulation. Windows Recall can be enabled by deleting. Logsource: windows / process_creation. Rule: title: Windows Recall Feature Enabled Via Reg.EXE id: 817f252c-5143-4dae-b418-48c3e9f63728 related: - id: 5dfc1465-8f65-4fde-8eb5-6194380c6a62 type: similar - id: 75180c5f-4ea1-461a-a4f6-6e4700c065d4 type: similar status: test description: 'Detects the enabling of the Windows Recall feature via registry manipulation. Windows Recall can be enabled by deleting the existing "DisableAIDataAnalysis" value, or setting it to 0. Adversaries may enable Windows Recall as part of post-exploitation discovery and collection activities. This rule assumes that Recall is already explicitly disabled on the host, and subsequently enabled by the adversary. ' references: - https://learn.microsoft.com/en-us/windows/client-management/manage-recall - https://learn.microsoft.com/en-us/windows/client-management/mdm/policy-csp-windowsai#disableaidataanalysis author: Sajid Nawaz Khan date: 2024-06-02 tags: - attack.collection - attack.t1113 logsource: category: process_creation product: windows detection: selection_img: - Image|endswith: \reg.exe - OriginalFileName: reg.exe selection_value: CommandLine|contains|all: - Microsoft\Windows\WindowsAI - DisableAIDataAnalysis selection_action_add: CommandLine|contains: - add - '0' selection_action_delete: CommandLine|contains: delete condition: selection_img and selection_value and 1 of selection_action_* falsepositives: - Legitimate use/activation of Windows Recall level: medium
Near-miss passage: Sigma rule: Detects the execution of "BitLockerToGo.EXE". BitLocker To Go is BitLocker Drive Encryption on removable data drives. Th. Logsource: windows / process_creation. Rule: title: BitLockerTogo.EXE Execution id: 7f2376f9-42ee-4dfc-9360-fecff9a88fc8 status: test description: 'Detects the execution of "BitLockerToGo.EXE". BitLocker To Go is BitLocker Drive Encryption on removable data drives. This feature includes the encryption of, USB flash drives, SD cards, External hard disk drives, Other drives that are formatted by using the NTFS, FAT16, FAT32, or exFAT file system. This is a rarely used application and usage of it at all is worth investigating. Malware such as Lumma stealer has been seen using this process as a target for process hollowing. ' references: - https://tria.ge/240521-ynezpagf56/behavioral1 - https://any.run/report/6eea2773c1b4b5c6fb7c142933e220c96f9a4ec89055bf0cf54accdcde7df535/a407f006-ee45-420d-b576-f259094df091 - https://bazaar.abuse.ch/sample/8c75f8e94486f5bbf461505823f5779f328c5b37f1387c18791e0c21f3fdd576/ - https://bazaar.abuse.ch/sample/64e6605496919cd76554915cbed88e56fdec10dec6523918a631754664b8c8d3/ author: Josh Nickels, mttaggart date: 2024-07-11 tags: - attack.stealth - attack.t1218 logsource: category: process_creation product: windows detection: selection: Image|endswith: \BitLockerToGo.exe condition: selection falsepositives: - Legitimate usage of BitLockerToGo.exe to encrypt portable devices. level: low