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Debugging Toolbox

Windbg scripts, debugging and troubleshooting tools to help you isolate software problems.

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[PowerShell Script] Downloading PDB for Specific Modules
A few weeks ago, during a laboratory with a customer, I found myself struggling to download the public symbol from a specific driver. Since driver is Kernel Mode if you get a User Mode dump from the application using the driver, you won’t be able to actually Read More...
Special Command—Listing the Nearest Symbols with ln
ln is a very useful command. It stands for list nearest. You provide an address as argumen t, and it gives you the closest symbol that matches the address. Of course, you have to be using the right symbols! Here is the syntax : ln [ address ] Example: Read More...
Special Command—Extracting Class and Struct Fields Using dt
dt is another command used almost all the time whenever you want to get the fields and type for a structure or class. For example, you may have a this pointer and use dt to get its fields and type. It’s a simple command with interesting variations that Read More...
Special Command: Using s to Explore The Memory
Very often I found myself scanning the stack or the entire virtual memory for the process to find information that may help me. This information may be strings, DWORDS, bytes, chars, etc… To accomplish this you should use the s command. Here I exemplify Read More...
Special Command: Advanced Symbol Searching Using x.
This is yet another command that has powerful capabilities. It’s very flexible, too. You can use different parameter s combinations; though, I recommend you look at or check the WinDbg documentation if you want to explore other variations. Again I’m going Read More...
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