Function at 0x437c20
Capabilities:
Encode data using xor

Disassembly:
push ebp
push ebx
push edi
push esi
sub esp, 0x20
mov ebp, dword [esp + 0x3c]
mov eax, dword [esp + 0x38]
mov ecx, 0xfffffffe
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
cmp word [eax + ecx + 2], 0
lea ecx, [ecx + 2]
jne 0x437c40
sar ecx, 1
mov edi, ecx
and edi, 2
mov edx, ecx
or ecx, 2
imul ecx, edi
xor edi, 2
and edx, 0xfffd
imul edx, edi
lea edi, [edx + ecx]
mov word [esp + 0x14], di
add ecx, edx
add ecx, 2
mov word [esp + 0x16], cx
mov dword [esp + 0x18], eax
mov dword [esp + 8], 0x20272625
mov dword [esp + 0xc], 0
mov dword [esp], 0
mov eax, dword [esp]
cmp eax, 7
ja 0x437cce
nop
nop
nop
nop
nop
mov eax, dword [esp]
mov ecx, dword [esp]
movzx ecx, byte [esp + ecx + 8]
add eax, 0x6bdf809
xor eax, ecx
mov dword [esp + 4], eax
mov eax, dword [esp + 4]
add al, 0xd3
mov ecx, dword [esp]
mov byte [esp + ecx + 8], al
inc dword [esp]
mov eax, dword [esp]
cmp eax, 8
jb 0x437ca0
mov ebx, dword [esp + 8]
mov eax, dword [0x441cf0]
test eax, eax
je 0x437d2f
xor ecx, ecx
mov edx, dword [0x441cf4]
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
cmp dword [edx + ecx*8], 0xf81c0144
je 0x437d00
inc ecx
cmp eax, ecx
jne 0x437cf0
jmp 0x437d2f
mov eax, dword [edx + ecx*8 + 4]
cmp eax, ebx
je 0x437d2f
lea ecx, [esp + 0x10]
lea edx, [esp + 0x14]
push ecx
push 0
push 0
push 2
push edx
push dword [esp + 0x48]
push 6
push dword [0x441cf8]
push eax
call fcn.004347b0
add esp, 0x24
mov ebx, eax
mov dword [esp], 0xf13e3f19
mov dword [esp + 4], 0
mov eax, dword [esp + 4]
cmp eax, 3
ja 0x437d81
nop
nop
nop
nop
nop
nop
nop
nop
nop
mov eax, dword [esp + 4]
mov ecx, dword [esp + 4]
movzx ecx, byte [esp + ecx]
add eax, 0xf1f2c735
xor eax, ecx
mov dword [esp + 8], eax
mov eax, dword [esp + 8]
add al, 0xf7
mov ecx, dword [esp + 4]
mov byte [esp + ecx], al
inc dword [esp + 4]
mov eax, dword [esp + 4]
cmp eax, 4
jb 0x437d50
cmp ebx, dword [esp]
jne 0x437ed7
push dword [esp + 0x10]
call fcn.00432830
add esp, 4
mov esi, dword [esp + 0x10]
mov dword [esp + 8], 0x20272625
mov dword [esp + 0xc], 0
mov dword [esp], 0
mov edx, dword [esp]
cmp edx, 7
ja 0x437df0
nop
nop
nop
nop
nop
nop
nop
mov edx, dword [esp]
mov edi, dword [esp]
movzx edi, byte [esp + edi + 8]
add edx, 0x6bdf809
xor edx, edi
mov dword [esp + 4], edx
mov edx, dword [esp + 4]
add dl, 0xd3
mov edi, dword [esp]
mov byte [esp + edi + 8], dl
inc dword [esp]
mov edx, dword [esp]
cmp edx, 8
jb 0x437dc0
mov ebx, dword [esp + 8]
mov edx, dword [0x441cf0]
test edx, edx
je 0x437e55
mov ecx, ebp
xor ebp, ebp
mov edi, dword [0x441cf4]
nop
nop
nop
nop
nop
nop
nop
nop
cmp dword [edi + ebp*8], 0xf81c0144
je 0x437e22
inc ebp
cmp edx, ebp
jne 0x437e10
mov ebp, ecx
jmp 0x437e55
mov edx, dword [edi + ebp*8 + 4]
cmp edx, ebx
mov ebp, ecx
je 0x437e55
lea edi, [esp + 0x10]
lea ebx, [esp + 0x14]
push edi
push esi
push eax
push 2
push ebx
push dword [esp + 0x48]
push 6
push dword [0x441cf8]
push edx
mov edi, eax
call fcn.004347b0
add esp, 0x24
mov ebx, eax
mov eax, edi
test ebx, ebx
mov esi, dword [esp + 0x40]
js 0x437ece
test ebp, ebp
je 0x437e67
mov ecx, dword [eax + 4]
mov dword [ebp], ecx
cmp dword [esp + 0x44], 0
je 0x437ece
test esi, esi
je 0x437ec5
mov ecx, dword [esp + 0x44]
mov edx, dword [ecx]
mov ecx, dword [eax + 8]
cmp edx, ecx
jb 0x437e81
mov edx, ecx
lea ebp, [eax + 0xc]
mov ecx, edx
shr ecx, 2
mov edi, esi
xchg esi, ebp
rep movsd dword es:[edi], dword [esi]
xchg esi, ebp
mov ecx, edx
and ecx, 0xfffffffc
add esi, ecx
lea ebp, [eax + ecx]
add ebp, 0xc
mov ecx, edx
shr ecx, 1
and ecx, 1
mov dword [esp + 0x1c], ebp
mov edi, esi
xchg esi, ebp
rep movsw word es:[edi], word [esi]
xchg esi, ebp
test dl, 1
je 0x437ec5
and edx, 2
mov ecx, dword [esp + 0x1c]
movzx ecx, byte [ecx + edx]
mov byte [esi + edx], cl
mov ecx, dword [eax + 8]
mov edx, dword [esp + 0x44]
mov dword [edx], ecx
push eax
call fcn.004328b0
add esp, 4
mov eax, ebx
add esp, 0x20
pop esi
pop edi
pop ebx
pop ebp
ret