Query: write Sigma for An adversary may use legitimate desktop support and remote access software, such as Team Viewer, Go2Assist, LogMein, Amm
Matching passage: Sigma rule: An adversary may use legitimate desktop support and remote access software, such as Team Viewer, Go2Assist, LogMein, Amm. Logsource: windows / process_creation. Rule: title: Remote Access Tool - UltraViewer Execution id: 88656cec-6c3b-487c-82c0-f73ebb805503 status: test description: 'An adversary may use legitimate desktop support and remote access software, such as Team Viewer, Go2Assist, LogMein, AmmyyAdmin, etc, to establish an interactive command and control channel to target systems within networks. These services are commonly used as legitimate technical support software, and may be allowed by application control within a target environment. Remote access tools like VNC, Ammyy, and Teamviewer are used frequently when compared with other legitimate software commonly used by adversaries. (Citation: Symantec Living off the Land) ' references: - https://github.com/redcanaryco/atomic-red-team/blob/f339e7da7d05f6057fdfcdd3742bfcf365fee2a9/atomics/T1219/T1219.md author: frack113 date: 2022-09-25 modified: 2024-03-14 tags: - attack.command-and-control - attack.t1219.002 logsource: category: process_creation product: windows detection: selection: - Product: UltraViewer - Company: DucFabulous Co,ltd - OriginalFileName: UltraViewer_Desktop.exe condition: selection falsepositives: - Legitimate use level: medium
Near-miss passage: Sigma rule: Detects the execution of "system_profiler" with specific "Data Types" that have been seen being used by threat actors an. Logsource: macos / process_creation. Rule: title: System Information Discovery Using System_Profiler id: 4809c683-059b-4935-879d-36835986f8cf status: test description: 'Detects the execution of "system_profiler" with specific "Data Types" that have been seen being used by threat actors and malware. It provides system hardware and software configuration information. This process is primarily used for system information discovery. However, "system_profiler" can also be used to determine if virtualization software is being run for defense evasion purposes. ' references: - https://www.trendmicro.com/en_za/research/20/k/new-macos-backdoor-connected-to-oceanlotus-surfaces.html - https://www.sentinelone.com/wp-content/uploads/pdf-gen/1630910064/20-common-tools-techniques-used-by-macos-threat-actors-malware.pdf - https://ss64.com/mac/system_profiler.html - https://objective-see.org/blog/blog_0x62.html - https://www.welivesecurity.com/2019/04/09/oceanlotus-macos-malware-update/ - https://gist.github.com/nasbench/9a1ba4bc7094ea1b47bc42bf172961af author: Stephen Lincoln `@slincoln_aiq` (AttackIQ) date: 2024-01-02 tags: - attack.discovery - attack.stealth - attack.t1082 - attack.t1497.001 logsource: product: macos category: process_creation detection: selection_img: - Image|endswith: /system_profiler - CommandLine|contains: system_profiler selection_cmd: CommandLine|contains: - SPApplicationsDataType - SPHardwareDataType - SPNetworkDataType - SPUSBDataType condition: all of selection_* falsepositives: - Legitimate administrative activities level: medium