Query: detect Detects file access requests to crypto currency files by uncommon processes. Could indicate potential attempt of crypto in logs
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: Rule to detect the use of the SCX RunAsProvider ExecuteScript to execute any UNIX/Linux script using the /bin/sh shell.. Logsource: linux / process_creation. Rule: title: OMIGOD SCX RunAsProvider ExecuteScript id: 6eea1bf6-f8d2-488a-a742-e6ef6c1b67db status: test description: 'Rule to detect the use of the SCX RunAsProvider ExecuteScript to execute any UNIX/Linux script using the /bin/sh shell. Script being executed gets created as a temp file in /tmp folder with a scx* prefix. Then it is invoked from the following directory /etc/opt/microsoft/scx/conf/tmpdir/. The file in that directory has the same prefix scx*. SCXcore, started as the Microsoft Operations Manager UNIX/Linux Agent, is now used in a host of products including Microsoft Operations Manager, Microsoft Azure, and Microsoft Operations Management Suite. ' references: - https://www.wiz.io/blog/omigod-critical-vulnerabilities-in-omi-azure - https://github.com/Azure/Azure-Sentinel/pull/3059 author: Roberto Rodriguez (Cyb3rWard0g), OTR (Open Threat Research), MSTIC date: 2021-10-15 modified: 2022-10-05 tags: - attack.privilege-escalation - attack.initial-access - attack.execution - attack.t1068 - attack.t1190 - attack.t1203 logsource: product: linux category: process_creation detection: selection: User: root LogonId: 0 CurrentDirectory: /var/opt/microsoft/scx/tmp CommandLine|contains: /etc/opt/microsoft/scx/conf/tmpdir/scx condition: selection falsepositives: - Legitimate use of SCX RunAsProvider ExecuteScript. level: high