Function at 0x4378e0
Capabilities:
Encode data using xor

Disassembly:
mov eax, 0x34
call fcn.00404280
mov eax, dword [0x5014b4]
xor eax, esp
mov dword [esp + 0x30], eax
cmp dword [esp + 0x3c], 0
mov eax, dword [esp + 0x38]
mov dword [esp + 4], eax
mov dword [esp + 0x10], 0
jne 0x437920
mov eax, 1
mov ecx, dword [esp + 0x30]
xor ecx, esp
call fcn.0040426d
add esp, 0x34
ret
push ebx
call fcn.0040e840
mov ebx, eax
test ebx, ebx
je 0x437c43
push 0x437da0
push 0x508a6c
call fcn.004127b0
add esp, 8
neg eax
sbb eax, eax
test dword [0x508a74], eax
je 0x437c43
cmp dword [0x508a70], 0
push ebp
push esi
je 0x437995
call fcn.004049f0
push dword [0x508a68]
mov esi, eax
call fcn.00412780
push esi
push dword [0x508ea4]
call fcn.004126d0
push dword [0x508a68]
mov ebp, eax
mov dword [esp + 0x1c], ebp
call fcn.00412800
add esp, 0x10
test ebp, ebp
jne 0x4379ab
jmp 0x43799d
mov dword [esp + 0xc], 0
push dword [0x508a64]
call fcn.00412830
add esp, 4
mov ecx, dword [0x508a4c]
mov eax, dword [0x508a50]
movups xmm0, xmmword [0x508a7c]
mov ebp, dword [0x508a54]
push edi
mov edi, ecx
mov dword [esp + 0x24], eax
add ecx, dword [esp + 0x4c]
mov eax, dword [0x508a8c]
mov dword [esp + 0x28], ebp
mov dword [esp + 0x3c], eax
mov dword [0x508a4c], ecx
movups xmmword [esp + 0x2c], xmm0
cmp ecx, 0x3ff
jb 0x437a1a
mov eax, 0x401005
mov dword [0x508a48], 0x3ff
mul ecx
mov eax, ecx
sub eax, edx
shr eax, 1
add eax, edx
shr eax, 9
imul eax, eax, 0xfffffc01
add ecx, eax
mov dword [0x508a4c], ecx
jmp 0x437a30
mov eax, dword [0x508a48]
cmp eax, 0x3ff
jae 0x437a30
cmp ecx, eax
cmova eax, ecx
mov dword [0x508a48], eax
mov ecx, dword [esp + 0x4c]
mov eax, 0x66666667
imul ecx
sar edx, 3
mov esi, edx
shr esi, 0x1f
add esi, edx
lea eax, [esi + esi*4]
shl eax, 2
sub ecx, eax
xor eax, eax
test ecx, ecx
setg al
add eax, esi
add ebp, eax
mov dword [0x508a54], ebp
mov ebp, dword [esp + 0x10]
test ebp, ebp
jne 0x437a74
push dword [0x508a64]
call fcn.00412800
add esp, 4
mov eax, dword [esp + 0x4c]
mov dword [esp + 0x18], 0
test eax, eax
jle 0x437bb5
mov dword [esp + 0x1c], eax
mov ecx, 0x14
cmp eax, 0x14
mov esi, eax
push 0
cmovg esi, ecx
call fcn.00429170
push eax
push ebx
call fcn.0040e500
add esp, 0xc
test eax, eax
je 0x437c40
push 0x14
lea eax, [esp + 0x30]
push eax
push ebx
call fcn.0040e6b0
add esp, 0xc
test eax, eax
je 0x437c40
lea ebp, [edi - 0x3ff]
add ebp, esi
test ebp, ebp
jle 0x437afb
mov eax, esi
sub eax, ebp
push eax
lea eax, [edi + 0x508a90]
push eax
push ebx
call fcn.0040e6b0
add esp, 0xc
test eax, eax
je 0x437c40
push ebp
push 0x508a90
jmp 0x437b03
push esi
lea eax, [edi + 0x508a90]
push eax
push ebx
call fcn.0040e6b0
add esp, 0xc
test eax, eax
je 0x437c40
mov ebp, dword [esp + 0x14]
push esi
push ebp
push ebx
call fcn.0040e6b0
add esp, 0xc
test eax, eax
je 0x437c40
push 8
lea eax, [esp + 0x28]
push eax
push ebx
call fcn.0040e6b0
add esp, 0xc
test eax, eax
je 0x437c40
push 0
lea eax, [esp + 0x30]
push eax
push ebx
call fcn.0040e480
add esp, 0xc
test eax, eax
je 0x437c40
inc dword [esp + 0x28]
add ebp, esi
xor ecx, ecx
mov dword [esp + 0x14], ebp
test esi, esi
jle 0x437b8c
nop dword [eax + eax]
mov al, byte [esp + ecx + 0x2c]
inc ecx
xor byte [edi + 0x508a90], al
lea eax, [edi + 1]
xor edi, edi
cmp eax, 0x3ff
cmovl edi, eax
cmp ecx, esi
jl 0x437b70
mov ebp, dword [esp + 0x18]
mov ecx, 0x14
mov eax, dword [esp + 0x1c]
add ebp, 0x14
sub eax, 0x14
mov dword [esp + 0x18], ebp
mov dword [esp + 0x1c], eax
cmp ebp, dword [esp + 0x4c]
jl 0x437a91
mov ebp, dword [esp + 0x10]
test ebp, ebp
jne 0x437bd0
push dword [0x508a64]
call fcn.00412830
add esp, 4
nop word [eax + eax]
movups xmm1, xmmword [0x508a7c]
xor ecx, ecx
mov edx, 4
movups xmm0, xmmword [esp + 0x2c]
pxor xmm1, xmm0
movups xmmword [0x508a7c], xmm1
nop
mov al, byte [esp + ecx + 0x3c]
lea ecx, [ecx + 1]
xor byte [ecx + 0x508a8b], al
sub edx, 1
jne 0x437bf0
movsd xmm0, qword [0x4dc040]
movsd xmm1, qword [0x508a58]
comisd xmm0, xmm1
jbe 0x437c26
addsd xmm1, qword [esp + 0x50]
movsd qword [0x508a58], xmm1
test ebp, ebp
jne 0x437c38
push dword [0x508a64]
call fcn.00412800
add esp, 4
mov dword [esp + 0x20], 1
pop edi
pop esi
pop ebp
push ebx
call fcn.0040e820
mov ecx, dword [esp + 0x38]
add esp, 4
mov eax, dword [esp + 0x14]
pop ebx
xor ecx, esp
call fcn.0040426d
add esp, 0x34
ret