Query: rule covering Detects usage of "rar" to add files to an archive for potential compression. An adversary may compress data (e.g. sensit
Matching passage: Sigma rule: Detects usage of "rar" to add files to an archive for potential compression. An adversary may compress data (e.g. sensit. Logsource: windows / process_creation. Rule: title: Files Added To An Archive Using Rar.EXE id: 6f3e2987-db24-4c78-a860-b4f4095a7095 status: test description: Detects usage of "rar" to add files to an archive for potential compression. An adversary may compress data (e.g. sensitive documents) that is collected prior to exfiltration in order to make it portable and minimize the amount of data sent over the network. references: - https://github.com/redcanaryco/atomic-red-team/blob/f339e7da7d05f6057fdfcdd3742bfcf365fee2a9/atomics/T1560.001/T1560.001.md - https://eqllib.readthedocs.io/en/latest/analytics/1ec33c93-3d0b-4a28-8014-dbdaae5c60ae.html author: Timur Zinniatullin, E.M. Anhaus, oscd.community date: 2019-10-21 modified: 2023-02-05 tags: - attack.collection - attack.t1560.001 logsource: category: process_creation product: windows detection: selection: Image|endswith: \rar.exe CommandLine|contains: ' a ' condition: selection falsepositives: - Highly likely if rar is a default archiver in the monitored environment. level: low
Near-miss passage: Sigma rule: Detects raw disk access using uncommon tools or tools that are located in suspicious locations (heavy filtering is requi. Logsource: windows / raw_access_thread. Rule: title: Potential Defense Evasion Via Raw Disk Access By Uncommon Tools id: db809f10-56ce-4420-8c86-d6a7d793c79c status: test description: Detects raw disk access using uncommon tools or tools that are located in suspicious locations (heavy filtering is required), which could indicate possible defense evasion attempts references: - https://www.slideshare.net/heirhabarov/hunting-for-credentials-dumping-in-windows-environment author: Teymur Kheirkhabarov, oscd.community date: 2019-10-22 modified: 2025-12-03 tags: - attack.stealth - attack.t1006 logsource: product: windows category: raw_access_thread detection: filter_main_floppy: Device|contains: floppy filter_main_generic: Image|startswith: - C:\$WINDOWS.~BT\ - C:\Program Files (x86)\ - C:\Program Files\ - C:\Windows\CCM\ - C:\Windows\explorer.exe - C:\Windows\servicing\ - C:\Windows\SoftwareDistribution\ - C:\Windows\System32\ - C:\Windows\SystemApps\ - C:\Windows\SysWOW64\ - C:\Windows\uus\ - C:\Windows\WinSxS\ filter_main_system_images: Image: - Registry - System filter_main_windefender: Image|startswith: C:\ProgramData\Microsoft\Windows Defender\Platform\ Image|endswith: - \MsMpEng.exe - \MpDefenderCoreService.exe filter_main_microsoft_appdata: Image|startswith: C:\Users\ Image|contains|all: - \AppData\ - \Microsoft\ filter_main_ssd_nvme: Image|startswith: C:\Windows\Temp\ Image|endswith: - \Executables\SSDUpdate.exe - \HostMetadata\NVMEHostmetadata.exe filter_main_null: Image: null filter_main_systemsettings: Image: C:\Windows\ImmersiveControlPanel\SystemSettings.exe filter_main_update: Image|startswith: C:\$WinREAgent\Scratch\ filter_optional_github_desktop: Image|startswith: C:\Users\ Image|contains: \AppData\Local\GitHubDesktop\app- Image|endswith: \resources\app\git\mingw64\bin\git.exe filter_optional_nextron: Image|startswith: C:\Windows\Temp\asgard2-agent\ Image|endswith: \thor.exe filter_optional_Keybase: Image|startswith: C:\Users\ Image|contains: \AppData\Local\Keybase\upd.exe condition: not 1 of filter_main_* and not 1 of filter_optional_* falsepositives: - Likely level: low