Sysmon Comparison
- 12 Nov 2024
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Sysmon Comparison
- Updated on 12 Nov 2024
- 1 Minute to read
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System Monitor, or "Sysmon", is a Windows server and device driver that monitors and logs operating system activity. It is part of the Sysinternals toolkit. More information on Sysmon can be found here.
Many organizations deploy Sysmon and structure their detection events around Sysmon-specific event logs, which can offer granular insight into operating system changes. LimaCharlie's EDR telemetry can offer similar events, allowing you to write detections against these events directly.
A comparison of LimaCharlie vs. Sysmon is as follows:
Sysmon Event | LimaCharlie Event |
|---|---|
Event ID 1 (Process Creation) | NEW_PROCESS |
Event ID 3 (Network Connection) | NEW_*_CONNECTION |
Event ID 5 (Process terminated) | TERMINATE_PROCESS |
Event ID 6 (Driver Loaded) | MODULE_LOAD, CODE_IDENTITY, DRIVER_CHANGE |
Event ID 7 (Image loaded) | MODULE_LOAD, CODE_IDENTITY |
Event ID 8 (Create remote thread) | NEW_REMOTE_THREAD |
Event ID 10 (ProcessAccess) | REMOTE_PROCESS_HANDLE |
Event ID 11 (FileCreate) | FILE_CREATE |
Event ID 12 (RegistryEvent object create and delete) | REGISTRY_CREATE, REGISTRY_DELETE |
Event ID 13 (RegisterEvent value set) | REGISTRY_WRITE |
Event ID 14 (RegistryEvent rename) | REGISTRY_CREATE |
Event ID 17 (PipeEvent Created) | NEW_NAMED_PIPE |
Event ID 18 (PipeEvent Connected) | OPEN_NAMED_PIPE |
Why not both? ¯\(ツ)/¯
Note, LC's Endpoint Agent is easily able to consume Sysmon events as well.
Executable Tracking
Recent updates to Sysmon also include the ability to capture and store information about binaries identified on a system. You can replicate this functionality with LimaCharlie with BinLib. More information on that can be found here.
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