11 Jan 2013

Fuzzing BigAnt server


Make fuzzer then run after clicking attach program in OllyDbg.
  


Fuzzer sends a buffer of 2500 bytes to the application







The crash occurred on the application, but registrer EIP not affected by the buffer. If you want to see in the SEH then select the view and select SEH chain.



 

Press shift + f9, and now the value of EIP changed.







If you see in the column below it looks buffers sent using fuzzer into the stack. To view the data residing on memory application, right-click the line and select Follow in the stack dump.






 ^_____^



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