Unloading Sysmon Driver

Created the Sunday 19 June 2022. Updated 9 months, 3 weeks ago.

Sysmon is a tool that can be used to monitor system activity on Windows systems. It records various types of events, such as process creation, network connections, and registry changes, and stores them in the Windows Event Log. Security analysts can use this information to detect and investigate malicious activity on a system.

One way that malware can evade detection by Sysmon is by unloading the Sysmon driver. The Sysmon driver is the kernel-mode component of Sysmon that is responsible for recording the events that Sysmon monitors. By unloading this driver, the malware can prevent Sysmon from recording any further events, and thus avoid being detected.

Featured Windows API's

Below, you will find a list of the most commonly used Windows API's that are currently utilized by malware authors for current evasion technique. This list is meant to provide an overview of the API's that are commonly used for this purpose. If there are any API's that you feel should be included on this list, please do not hesitate to contact us. We will be happy to update the list and provide any additional information or documentation that may be helpful.

Code Snippets

Detection Rules

Additional Resources

External Links

The resources provided below are associated links that will give you even more detailed information and research on current evasion technique. It is important to note that, while these resources may be helpful, it is important to exercise caution when following external links. As always, be careful when clicking on links from unknown sources, as they may lead to malicious content.

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