Query: write Sigma for Detects file access requests to crypto currency files by uncommon processes. Could indicate potential attempt of crypto
Matching passage: Sigma rule: Detects file access requests to crypto currency files by uncommon processes. Could indicate potential attempt of crypto. Logsource: windows / file_access. Rule: title: Access To Crypto Currency Wallets By Uncommon Applications id: f41b0311-44f9-44f0-816d-dd45e39d4bc8 status: test description: 'Detects file access requests to crypto currency files by uncommon processes. Could indicate potential attempt of crypto currency wallet stealing. ' references: - Internal Research author: X__Junior (Nextron Systems) date: 2024-07-29 tags: - attack.t1003 - attack.credential-access logsource: category: file_access product: windows definition: 'Requirements: Microsoft-Windows-Kernel-File ETW provider' detection: selection: - FileName|contains: - \AppData\Roaming\Ethereum\keystore\ - \AppData\Roaming\EthereumClassic\keystore\ - \AppData\Roaming\monero\wallets\ - FileName|endswith: - \AppData\Roaming\Bitcoin\wallet.dat - \AppData\Roaming\BitcoinABC\wallet.dat - \AppData\Roaming\BitcoinSV\wallet.dat - \AppData\Roaming\DashCore\wallet.dat - \AppData\Roaming\DogeCoin\wallet.dat - \AppData\Roaming\Litecoin\wallet.dat - \AppData\Roaming\Ripple\wallet.dat - \AppData\Roaming\Zcash\wallet.dat filter_main_system: Image: System filter_main_generic: Image|startswith: - C:\Program Files (x86)\ - C:\Program Files\ - C:\Windows\system32\ - C:\Windows\SysWOW64\ filter_optional_defender: Image|startswith: C:\ProgramData\Microsoft\Windows Defender\ Image|endswith: - \MpCopyAccelerator.exe - \MsMpEng.exe condition: selection and not 1 of filter_main_* and not 1 of filter_optional_* falsepositives: - Antivirus, Anti-Spyware, Anti-Malware Software - Backup software - Legitimate software installed on partitions other than "C:\" - Searching software such as "everything.exe" level: medium
Near-miss passage: Sigma rule: Detects scenarios where system auditing (i.e.: Windows event log auditing) is disabled. This may be used in a scenario w. Logsource: windows / security. Rule: title: Windows Event Auditing Disabled id: 69aeb277-f15f-4d2d-b32a-55e883609563 related: - id: ab4561b1-6c7e-48a7-ad08-087cfb9ce8f1 type: derived status: test description: 'Detects scenarios where system auditing (i.e.: Windows event log auditing) is disabled. This may be used in a scenario where an entity would want to bypass local logging to evade detection when Windows event logging is enabled and reviewed. Also, it is recommended to turn off "Local Group Policy Object Processing" via GPO, which will make sure that Active Directory GPOs take precedence over local/edited computer policies via something such as "gpedit.msc". Please note, that disabling "Local Group Policy Object Processing" may cause an issue in scenarios of one off specific GPO modifications - however, it is recommended to perform these modifications in Active Directory anyways. ' references: - https://docs.google.com/presentation/d/1dkrldTTlN3La-OjWtkWJBb4hVk6vfsSMBFBERs6R8zA/edit author: '@neu5ron, Nasreddine Bencherchali (Nextron Systems)' date: 2017-11-19 modified: 2023-11-15 tags: - attack.defense-impairment - attack.t1685.001 logsource: product: windows service: security definition: dfd8c0f4-e6ad-4e07-b91b-f2fca0ddef64 detection: selection: EventID: 4719 AuditPolicyChanges|contains: - '%%8448' - '%%8450' filter_main_guid: SubcategoryGuid: - '{0CCE9210-69AE-11D9-BED3-505054503030}' - '{0CCE9211-69AE-11D9-BED3-505054503030}' - '{0CCE9212-69AE-11D9-BED3-505054503030}' - '{0CCE9215-69AE-11D9-BED3-505054503030}' - '{0CCE9217-69AE-11D9-BED3-505054503030}' - '{0CCE921B-69AE-11D9-BED3-505054503030}' - '{0CCE922B-69AE-11D9-BED3-505054503030}' - '{0CCE922F-69AE-11D9-BED3-505054503030}' - '{0CCE9230-69AE-11D9-BED3-505054503030}' - '{0CCE9235-69AE-11D9-BED3-505054503030}' - '{0CCE9236-69AE-11D9-BED3-505054503030}' - '{0CCE9237-69AE-11D9-BED3-505054503030}' - '{0CCE923F-69AE-11D9-BED3-505054503030}' - '{0CCE9240-69AE-11D9-BED3-505054503030}' - '{0CCE9242-69AE-11D9-BED3-505054503030}' condition: selection and not 1 of filter_main_* falsepositives: - Unknown level: low