OllyDbg is a debugger application to analyze. For each module (executable or DLL file) it attempts to separate code from data, identify theprocedure, lookfor strings that are embedded and switch table, determiningthe loop andthe switch, find thefunction call and decode their arguments, and even predict thevalue ofthe registerduringthe execution. To tryit youcan download here or
this one.Additional arrangements that may be useful:
A. Allow fast command emulation - OllyDbg allows emulates some frequently
used commands CPU
internal, and that means speed up debug.
2. Size of run trace buffer - Allocate memory for the buffer circle by running the tracedata as a rule of thumb, one megabyte continues to command 30000-60000.
3. Do not enter the system DLLs - Request for OllyDbg to implement calls toWindows API functions as well as trace-over mode.
4. Always trace over string commands - Request for OllyDbg to trace more than astring of commands, such as MOVSB REP. If this option is disabled, each iterationwill MOVSB protocolled separately.
5. Remember commands - Save a copy of the order be traced to the trace buffer.Only required if
debugged applications using self-modified code.
7. Remember memory - Stores the actual contents of the memory operandaddressed to the trace buffer.
8. Remember FPU registers - Save the floating-point register for the trace buffer.
7. Synchronize CPU and run trace - Move the selection of CPU and CPU registersupdate each time you change options in term protocol traces.
And for those of you who want to try version DeFixed Edition please see the screenshoot
Addition to detecting the most common packers, cryptors and compilers for PEfiles. Can currently detect more than 600 different signatures in PE files. PEID 0.95with a small but very useful.
Program - a program debugger is very handy for those of you above who are looking for software that requires a serial register. Good luck and be creative.
internal, and that means speed up debug.
2. Size of run trace buffer - Allocate memory for the buffer circle by running the tracedata as a rule of thumb, one megabyte continues to command 30000-60000.
3. Do not enter the system DLLs - Request for OllyDbg to implement calls toWindows API functions as well as trace-over mode.
4. Always trace over string commands - Request for OllyDbg to trace more than astring of commands, such as MOVSB REP. If this option is disabled, each iterationwill MOVSB protocolled separately.
5. Remember commands - Save a copy of the order be traced to the trace buffer.Only required if
debugged applications using self-modified code.
7. Remember memory - Stores the actual contents of the memory operandaddressed to the trace buffer.
8. Remember FPU registers - Save the floating-point register for the trace buffer.
7. Synchronize CPU and run trace - Move the selection of CPU and CPU registersupdate each time you change options in term protocol traces.
And for those of you who want to try version DeFixed Edition please see the screenshoot
Addition to detecting the most common packers, cryptors and compilers for PEfiles. Can currently detect more than 600 different signatures in PE files. PEID 0.95with a small but very useful.
Program - a program debugger is very handy for those of you above who are looking for software that requires a serial register. Good luck and be creative.
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