Query: detection rule: 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 - Anydesk Execution From Suspicious Folder id: 065b00ca-5d5c-4557-ac95-64a6d0b64d86 related: - id: b52e84a3-029e-4529-b09b-71d19dd27e94 type: similar 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#atomic-test-2---anydesk-files-detected-test-on-windows - https://thedfirreport.com/2025/02/24/confluence-exploit-leads-to-lockbit-ransomware/ author: Florian Roth (Nextron Systems) date: 2022-05-20 modified: 2025-02-24 tags: - attack.command-and-control - attack.t1219.002 logsource: category: process_creation product: windows detection: selection: - Image|endswith: - \AnyDesk.exe - \AnyDeskMSI.exe - Description: AnyDesk - Product: AnyDesk - Company: AnyDesk Software GmbH filter: Image|contains: - \AppData\ - Program Files (x86)\AnyDesk - Program Files\AnyDesk condition: selection and not filter falsepositives: - Legitimate use of AnyDesk from a non-standard folder level: high
Near-miss passage: Sigma rule: Detects the execution of rundll32.exe with the oledb32.dll library to open a UDL file. Threat actors can abuse this tech. Logsource: windows / process_creation. Rule: title: Potentially Suspicious Rundll32.EXE Execution of UDL File id: 0ea52357-cd59-4340-9981-c46c7e900428 status: test description: 'Detects the execution of rundll32.exe with the oledb32.dll library to open a UDL file. Threat actors can abuse this technique as a phishing vector to capture authentication credentials or other sensitive data. ' references: - https://trustedsec.com/blog/oops-i-udld-it-again author: '@kostastsale' date: 2024-08-16 tags: - attack.execution - attack.command-and-control - attack.stealth - attack.t1218.011 - attack.t1071 logsource: category: process_creation product: windows detection: selection_parent: ParentImage|endswith: \explorer.exe selection_img: - Image|endswith: \rundll32.exe - OriginalFileName: RUNDLL32.EXE selection_cli: CommandLine|contains|all: - oledb32.dll - ',OpenDSLFile ' - \\Users\\*\\Downloads\\ CommandLine|endswith: .udl condition: all of selection_* falsepositives: - UDL files serve as a convenient and flexible tool for managing and testing database connections in various development and administrative scenarios. level: medium