Function at 0x422270
Capabilities:
Encode data using xor

Disassembly:
mov edx, dword [0x4d4430]
push ebx
mov ebx, dword [0x4d442c]
push esi
xor esi, esi
mov dword [0x4d440c], 2
test ebx, ebx
je 0x42223b
mov ecx, dword [0x4d443c]
push edi
lea esp, [esp]
mov eax, dword [0x4d4440]
movzx eax, byte [edx + eax + 2]
mov edi, dword [0x4d4444]
shl ecx, 5
xor eax, ecx
mov ecx, dword [0x4d4418]
and eax, 0x7fff
movzx ecx, word [ecx + eax*2]
and edx, 0x7fff
mov word [edi + edx*2], cx
mov edi, dword [0x4d4418]
mov dx, word [0x4d4430]
mov word [edi + eax*2], dx
mov edi, dword [0x4d4430]
mov dword [0x4d443c], eax
test ecx, ecx
je 0x4220e7
mov eax, edi
sub eax, ecx
cmp eax, 0x7efa
ja 0x4220e7
push ecx
call fcn.00421dc0
mov esi, eax
cmp esi, ebx
jbe 0x4220e7
mov esi, ebx
cmp esi, 3
jb 0x4221af
sub edi, dword [0x4d4414]
lea ecx, [esi - 3]
push ecx
push edi
call fcn.00471890
sub dword [0x4d442c], esi
cmp esi, dword [0x4d4434]
ja 0x42217d
mov ecx, dword [0x4d443c]
dec esi
jmp 0x422120
mov edx, dword [0x4d4430]
mov edi, dword [0x4d4440]
mov ebx, dword [0x4d4444]
inc edx
mov dword [0x4d4430], edx
movzx edi, byte [edx + edi + 2]
shl ecx, 5
xor edi, ecx
and edi, 0x7fff
mov ecx, edi
mov edi, dword [0x4d4418]
mov di, word [edi + ecx*2]
and edx, 0x7fff
sub esi, 1
mov word [ebx + edx*2], di
mov dx, word [0x4d4430]
mov edi, dword [0x4d4418]
mov word [edi + ecx*2], dx
jne 0x422120
mov dword [0x4d443c], ecx
jmp 0x4221cc
mov edx, dword [0x4d4430]
mov edi, dword [0x4d4440]
add edx, esi
mov dword [0x4d4430], edx
movzx ecx, byte [edx + edi + 1]
movzx edi, byte [edx + edi]
shl edi, 5
xor ecx, edi
xor esi, esi
and ecx, 0x7fff
mov dword [0x4d443c], ecx
jmp 0x4221d9
mov eax, dword [0x4d4440]
movzx ecx, byte [edi + eax]
push ecx
push 0
call fcn.00471890
dec dword [0x4d442c]
mov ecx, dword [0x4d443c]
mov edx, dword [0x4d4430]
inc edx
mov dword [0x4d4430], edx
test eax, eax
je 0x42220f
mov ecx, dword [0x4d4428]
test ecx, ecx
jl 0x4221f0
mov eax, dword [0x4d4440]
add eax, ecx
jmp 0x4221f2
xor eax, eax
push 0
sub edx, ecx
push edx
push eax
call fcn.00472680
mov edx, dword [0x4d4430]
mov ecx, dword [0x4d443c]
mov dword [0x4d4428], edx
cmp dword [0x4d442c], 0x106
jae 0x42222c
call fcn.00421f10
mov ecx, dword [0x4d443c]
mov edx, dword [0x4d4430]
mov ebx, dword [0x4d442c]
test ebx, ebx
jne 0x422080
pop edi
mov ecx, dword [0x4d4428]
pop esi
pop ebx
test ecx, ecx
jl 0x42225a
mov eax, dword [0x4d4440]
push 1
sub edx, ecx
add eax, ecx
push edx
push eax
call fcn.00472680
ret
push 1
sub edx, ecx
xor eax, eax
push edx
push eax
call fcn.00472680
ret
sub esp, 8
cmp dword [0x4caddc], 3
push ebp
mov dword [esp + 4], 0
mov ebp, 2
jg 0x422293
pop ebp
add esp, 8
jmp 0x422050
cmp dword [0x4d442c], 0
push esi
mov esi, dword [0x4d4430]
je 0x422562
push ebx
push edi
mov edi, dword [0x4d443c]
nop
mov eax, dword [0x4d4440]
movzx ecx, byte [esi + eax + 2]
mov edx, dword [0x4d4418]
shl edi, 5
xor ecx, edi
and ecx, 0x7fff
mov edi, ecx
movzx eax, word [edx + edi*2]
mov ecx, dword [0x4d4444]
and esi, 0x7fff
mov word [ecx + esi*2], ax
mov ecx, dword [0x4d4418]
mov dx, word [0x4d4430]
mov word [ecx + edi*2], dx
mov ecx, dword [0x4d4414]
mov esi, dword [0x4d4430]
mov ebx, ebp
mov dword [0x4d443c], edi
mov dword [0x4d440c], ebx
mov dword [esp + 0x14], ecx
mov ebp, 2
test eax, eax
je 0x42235b
cmp ebx, dword [0x4d4434]
jae 0x42235b
mov edx, esi
sub edx, eax
cmp edx, 0x7efa
ja 0x42235b
push eax
call fcn.00421dc0
mov ebp, eax
mov eax, dword [0x4d442c]
cmp ebp, eax
jbe 0x422340
mov ebp, eax
mov ecx, dword [0x4d4414]
cmp ebp, 3
jne 0x42235b
mov eax, esi
sub eax, ecx
cmp eax, 0x1000
jbe 0x42235b
mov ebp, 2
cmp ebx, 3
jb 0x42248b
cmp ebp, ebx
jbe 0x422394
mov edx, ebp
sub edx, ebx
cmp edx, 1
jne 0x42248b
mov eax, esi
sub eax, ecx
cmp eax, 0x4000
jbe 0x42248b
add ecx, 0x5dc
cmp ecx, dword [esp + 0x14]
jae 0x42248b
sub esi, dword [esp + 0x14]
add ebx, 0xfffffffd
push ebx
dec esi
push esi
call fcn.00471890
mov ecx, dword [0x4d440c]
mov edi, dword [0x4d443c]
mov edx, 1
mov esi, edx
sub esi, ecx
add dword [0x4d442c], esi
sub ecx, 2
mov dword [0x4d440c], ecx
jmp 0x4223d0
mov ecx, dword [0x4d4430]
mov esi, dword [0x4d4440]
mov ebx, dword [0x4d4444]
add ecx, edx
mov dword [0x4d4430], ecx
movzx esi, byte [ecx + esi + 2]
shl edi, 5
xor esi, edi
and esi, 0x7fff
mov edi, esi
mov esi, dword [0x4d4418]
mov si, word [esi + edi*2]
and ecx, 0x7fff
mov word [ebx + ecx*2], si
mov cx, word [0x4d4430]
mov esi, dword [0x4d4418]
mov word [esi + edi*2], cx
sub dword [0x4d440c], edx
jne 0x4223d0
mov esi, dword [0x4d4430]
add esi, edx
mov dword [0x4d443c], edi
mov dword [esp + 0x10], 0
mov ebp, 2
mov dword [0x4d4430], esi
test eax, eax
je 0x422517
mov ecx, dword [0x4d4428]
test ecx, ecx
jl 0x422467
mov edx, dword [0x4d4440]
lea eax, [ecx + edx]
jmp 0x422469
xor eax, eax
push 0
sub esi, ecx
push esi
push eax
call fcn.00472680
mov esi, dword [0x4d4430]
mov edi, dword [0x4d443c]
mov dword [0x4d4428], esi
jmp 0x422517
cmp dword [esp + 0x10], 0
je 0x422500
mov eax, dword [0x4d4440]
movzx ecx, byte [esi + eax - 1]
push ecx
push 0
call fcn.00471890
test eax, eax
je 0x4224eb
mov ecx, dword [0x4d4428]
test ecx, ecx
jl 0x4224bd
mov edx, dword [0x4d4440]
lea eax, [ecx + edx]
jmp 0x4224bf
xor eax, eax
mov edx, dword [0x4d4430]
push 0
sub edx, ecx
push edx
push eax
call fcn.00472680
mov esi, dword [0x4d4430]
mov edi, dword [0x4d443c]
mov dword [0x4d4428], esi
inc esi
dec dword [0x4d442c]
jmp 0x422511
mov esi, dword [0x4d4430]
mov edi, dword [0x4d443c]
inc esi
dec dword [0x4d442c]
jmp 0x422511
mov eax, 1
add esi, eax
sub dword [0x4d442c], eax
mov dword [esp + 0x10], eax
mov dword [0x4d4430], esi
cmp dword [0x4d442c], 0x106
jae 0x422534
call fcn.00421f10
mov edi, dword [0x4d443c]
mov esi, dword [0x4d4430]
cmp dword [0x4d442c], 0
jne 0x4222b0
cmp dword [esp + 0x10], 0
pop edi
pop ebx
je 0x422562
mov eax, dword [0x4d4440]
movzx ecx, byte [esi + eax - 1]
push ecx
push 0
call fcn.00471890
mov esi, dword [0x4d4430]
mov ecx, dword [0x4d4428]
test ecx, ecx
jl 0x422586
mov edx, dword [0x4d4440]
push 1
sub esi, ecx
lea eax, [ecx + edx]
push esi
push eax
call fcn.00472680
pop esi
pop ebp
add esp, 8
ret
push 1
sub esi, ecx
xor eax, eax
push esi
push eax
call fcn.00472680
pop esi
pop ebp
add esp, 8
ret