Query: Sigma rule for Detects when a repository or an organization is being transferred to another location.
Matching passage: Sigma rule: Detects when a repository or an organization is being transferred to another location.. Logsource: github / audit. Rule: title: Github Repository/Organization Transferred id: 04ad83ef-1a37-4c10-b57a-81092164bf33 status: test description: Detects when a repository or an organization is being transferred to another location. references: - https://docs.github.com/en/repositories/creating-and-managing-repositories/transferring-a-repository - https://docs.github.com/en/organizations/managing-organization-settings/transferring-organization-ownership - https://docs.github.com/en/migrations - https://docs.github.com/en/enterprise-cloud@latest/admin/monitoring-activity-in-your-enterprise/reviewing-audit-logs-for-your-enterprise/audit-log-events-for-your-enterprise#migration author: Romain Gaillard (@romain-gaillard) date: 2024-07-29 tags: - attack.persistence - attack.exfiltration - attack.t1020 - attack.t1537 logsource: product: github service: audit definition: 'Requirements: The audit log streaming feature must be enabled to be able to receive such logs. You can enable following the documentation here: https://docs.github.com/en/enterprise-cloud@latest/admin/monitoring-activity-in-your-enterprise/reviewing-audit-logs-for-your-enterprise/streaming-the-audit-log-for-your-enterprise#setting-up-audit-log-streaming' detection: selection: action: - migration.create - org.transfer_outgoing - org.transfer - repo.transfer_outgoing condition: selection falsepositives: - Allowed administrative activities. level: medium
Near-miss passage: Sigma rule: Detects whether the image specified in a process creation event doesn't refer to an ".exe" (or other known executable ex. Logsource: windows / process_creation. Rule: title: Execution of Suspicious File Type Extension id: c09dad97-1c78-4f71-b127-7edb2b8e491a status: test description: 'Detects whether the image specified in a process creation event doesn''t refer to an ".exe" (or other known executable extension) file. This can be caused by process ghosting or other unorthodox methods to start a process. This rule might require some initial baselining to align with some third party tooling in the user environment. ' references: - https://pentestlaboratories.com/2021/12/08/process-ghosting/ author: Max Altgelt (Nextron Systems) date: 2021-12-09 modified: 2023-11-23 tags: - attack.stealth logsource: category: process_creation product: windows detection: known_image_extension: Image|endswith: - .bin - .cgi - .com - .exe - .scr - .tmp filter_main_image: Image: - System - Registry - MemCompression - vmmem filter_main_msi_installers: Image|contains: :\Windows\Installer\MSI filter_main_driver_store: Image|contains: :\Windows\System32\DriverStore\FileRepository\ filter_main_msi_rollbackfiles: Image|contains: :\Config.Msi\ Image|endswith: - .rbf - .rbs filter_main_windows_temp: - ParentImage|contains: :\Windows\Temp\ - Image|contains: :\Windows\Temp\ filter_main_deleted: Image|contains: :\$Extend\$Deleted\ filter_main_empty: Image: - '-' - '' filter_main_null: Image: null filter_optional_avira: ParentImage|contains: :\ProgramData\Avira\ filter_optional_nvidia: Image|contains: NVIDIA\NvBackend\ Image|endswith: .dat filter_optional_winpakpro: Image|contains: - :\Program Files (x86)\WINPAKPRO\ - :\Program Files\WINPAKPRO\ Image|endswith: .ngn filter_optional_myq_server: Image|endswith: - :\Program Files (x86)\MyQ\Server\pcltool.dll - :\Program Files\MyQ\Server\pcltool.dll filter_optional_wsl: Image|contains|all: - \AppData\Local\Packages\ - \LocalState\rootfs\ filter_optional_lzma_exe: Image|endswith: \LZMA_EXE filter_optional_firefox: Image|contains: :\Program Files\Mozilla Firefox\ filter_optional_docker: ParentImage: C:\Windows\System32\services.exe Image|endswith: com.docker.service condition: not known_image_extension and not 1 of filter_main_* and not 1 of filter_optional_* falsepositives: - Unknown level: medium