Tagged Questions
0
votes
1answer
321 views
gdb Cannot access memory at address of $ebp
Entire code is:
#include <stdio.h>
#include <string.h>
#include <unistd.h>
char *secret = "1234";
void go_shell()
{
char *shell = "/bin/sh";
char *cmd[] = { "/bin/sh", 0};
...
2
votes
2answers
82 views
Can anyone clearly explain this disassembly?
i am new to debugging. I came through this code which states that it spawns a shell prompt when executed.
0: 31 c0 xor eax,eax
2: 50 push eax
3: 68 2f ...
0
votes
1answer
379 views
I can't understand this error message in ARM
My assembly code is
00000000 <_start>:
0: e28f6001 add r6, pc, #1
4: e12fff16 bx r6
8: 1b24 subs r4, r4, r4
a: 1c20 adds r0, r4, #0
c: 4a01 ...
0
votes
1answer
1k views
Grabbing 128bit key from shellcode
I'm trying to take out a 128bit key from shellcode. I have compiled shellcode as a C code within an array which is like
#include <stdio.h>
#include <stdlib.h>
/*shellcode.c*/
char code[] ...
0
votes
2answers
928 views
Address woes from Hacking: The Art of Exploitation [closed]
I bought this book recently titled: Hacking: The Art of Exploitation (2nd Edition) and it's been bugging me so much lately. Anyway, with one of the examples, firstprog.c :
#include <stdio.h>
...
2
votes
2answers
2k views
Format string bugs - exploitation
I'm trying to exploit my format string bug, which lies in this program:
#include <sys/types.h>
#include <sys/uio.h>
#include <unistd.h>
#include <stdio.h>
#include <string....
