< All Advanced Penetration Testing Notes

functionsys | Advanced Penetration Testing | Module 12 - Exploit Development

By: functionsys | Related Course: Advanced Penetration Testing | Published: September 4, 2017 | Modified: September 6, 2017
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Notepadbuffer overflow

gcc -g -fno-stack-protector -o overflowtest overflowtest.c

to compiler c file

to run it

./overflowtest   AAAAAAAAAAAA


to debugger file using Linux 


gdb overflowtest

set break point  

(gdb) break 14 

to run type 

run AAAAA then hit enter 

continue … this command will continue debug

disassemble main – to view code in assemble 



NOP = No operation 

go to next instruction 


Notepadexploit development part 2

its introduction about memory 

Notepadexploit development part 5

(gdb ) disassemble overflowed 

to view dump of assembler code for function 



demonstration code in c language about buffer overflow 


BAD character\x00\x0a\x0d\x40

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