![]() Handles and DLLs You can explore open handles and loaded DLLs, helping you understand the resources being used by running processes. Process and Thread Highlighting It highlights processes and threads related to specific windows or services, making it easier to trace back their origins. Powerful Search and Filtering It enables you to search for specific processes, modules, handles, or DLLs, making it easier to locate and analyze specific components. Real-Time CPU and GPU Monitoring The software provides real-time monitoring of CPU and GPU activity, allowing you to identify resource-intensive processes and diagnose performance bottlenecks. Detailed Process Information You can access extensive information about each process, including its executable path, command-line parameters, memory usage, open files, and loaded DLLs. Key Features Process and System Information The program displays a tree-like structure of all active processes, allowing you to explore process dependencies and see how they interact with each other. Installation Simply run the software ( procexp.exe). Process Explorer is a must-have tool for system administrators, power users, and troubleshooting enthusiasts. It goes beyond the standard Task Manager to offer in-depth information about each process, including details on associated services, performance metrics, and even the ability to control running processes. MS Process Explorer is a free advanced utility developed by Microsoft Sysinternals, providing a comprehensive view of the processes, threads, and DLLs running on your Windows system. It provides valuable insights into the inner workings of Windows and applications. Microsoft Process Explorer's unique capabilities make it invaluable for troubleshooting DLL version issues or handle leaks. It also offers a powerful search feature, enabling you to quickly identify processes with specific handles opened or DLLs loaded. In DLL mode, you can see the DLLs and memory-mapped files that the process has loaded. In handle mode, you can view the handles opened by the selected process in the top window. The information shown in the bottom window depends on the mode that the app is in. ![]() The top window always displays a list of currently active processes, including the names of their associated accounts. User Interface The Process Explorer interface consists of two sub-windows. This tool provides you with information about the handles and DLLs ( Dynamic Link Libraries) that processes have opened or loaded. To prevent such attacks, it’s recommended that you use Active Endpoint Deception which both creates an unattractive environment for attackers to deter them from executing in the first place and also detects such deceitful behaviors by malware before the malicious payload executes.Have you ever been curious about which program has a specific file or directory open? Now you can easily find out with Process Explorer. Ironically, according to Microsoft’s DLL security documentation, you can use SysInternals’ Process Monitor to check if related events occurred and you can also utilize existing security tools like EDR/XDR to search for inconsistent executions related to SysInternals’ tools. While previous suggestions we provided were meant for developers, the current vulnerabilities cannot be closed/prevented directly as Microsoft is responsible to close the vulnerability, which could take a while, if at all. Thank you, and we look forward to more submissions from you in the future! Also, check out the Microsoft Bounty Program for your future research: Please continue your vulnerability research and help us protect our customers. Our product group will address the issue as needed. However, this case does not meet the bar for servicing by MSRC and we will be closing this case. Our engineers have investigated the report and we have informed the appropriate team about the issues you reported. ![]() Thank you again for your submission to MSRC. Microsoft provided the following response after a month: Of course cryptbase.dll is just an example and it is not the only one as many imported DLL in SysInternals can be weaponized and since SysInternals tools are signed by Microsoft, these attacks can easily bypass existing security tools and go undetected. The team used Dependency Walker (also by Microsoft) to find all the DLLs imported to the SysInternals suite and then tested some of the more common apps, here are some examples: The Deceptive Bytes team decided to check if it just occurs specifically with Process Explorer or if it’s widespread and there are other tools in the SysInternals suite that are susceptible as well.
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