WinDbg_Scripts
Useful scripts for WinDbg using the debugger data model
Usage, examples, explanations and general rants (also available in PDF form here):
https://medium.com/@yardenshafir2/windbg-the-fun-way-part-1-2e4978791f9b
https://medium.com/@yardenshafir2/windbg-the-fun-way-part-2-7a904cba5435
Useful Commands and Syntax
- __iserror(x)
Returns true if a statement throws an error.
dx @$curprocess.Io.Handles.Where(h => !__iserror(h.Type == "File") && h.Type == "File")
- SelectMany
Flattens a nested collection, for example runs a query on all threads in all processes and flattens the results
dx @$cursession.Processes.SelectMany(p => p.Threads.Select(t => t.KernelObject.ThreadName))
- Conditional Operations
dx @$curthread.KernelObject.ActiveImpersonationInfo != 0 ? @$curthread.KernelObject.ClientSecurity.ImpersonationLevel : "Not Impersonating"
- Executing a Legacy Command
dx @$printSecurityDescriptor = (sd => Debugger.Utility.Control.ExecuteCommand("!sd " + ((__int64)sd).ToDisplayString("x") + " 1"))
- Cast Pointer to Function Address
dx @$curprocess.Threads.Select(t => (void(*)())t.KernelObject.StartAddress)