Function at 0x43ddc0
Capabilities:
Encode data using xor

Disassembly:
push ebp
mov ebp, esp
push ebx
push edi
push esi
and esp, 0xfffffff0
sub esp, 0xb0
mov edi, edx
mov dword [esp + 0x14], ecx
mov ebx, dword [ebp + 0x10]
mov esi, dword [ebp + 0xc]
push ebx
push 0
push esi
call sub.api_ms_win_crt_string_l1_1_0.dll_memset
mov edx, dword [ebp + 8]
add esp, 0xc
xor eax, eax
test edx, edx
jle 0x43e050
mov ecx, dword [ebp + 0x14]
lea eax, [edx + edx*2]
lea eax, [edi + eax*8]
mov dword [esp + 0x1c], eax
add ebx, esi
mov dword [esp + 0x10], ebx
sub ecx, esi
mov dword [esp + 0x18], ecx
mov edx, edi
jmp 0x43de46
mov dword [esi + 0xc], 0
movzx eax, byte [esi]
add eax, 0x13
and eax, 0xfffffffc
mov dword [esi + eax], 0
add esi, eax
add edx, 0x18
cmp edx, dword [esp + 0x1c]
jae 0x43e04e
mov dword [esp + 8], edx
mov edi, dword [edx + 0x10]
push dword [edx + 8]
call sub.api_ms_win_crt_string_l1_1_0.dll_strlen
add esp, 4
mov byte [esi], al
mov ecx, dword [esp + 8]
movzx ecx, byte [ecx]
mov byte [esi + 1], cl
mov ecx, dword [esp + 8]
mov ecx, dword [ecx + 0x10]
mov dword [esp + 0xc], ecx
mov dword [esi + 8], ecx
mov ecx, dword [esp + 8]
mov ecx, dword [ecx + 0x14]
mov dword [esi + 4], ecx
lea ebx, [esi + 0x10]
movzx eax, al
push eax
mov eax, dword [esp + 0xc]
push dword [eax + 8]
push ebx
call sub.api_ms_win_crt_private_l1_1_0.dll_memcpy
mov edx, dword [esp + 0x14]
add esp, 0xc
cmp dword [edx + 0x14], 0
je 0x43deb0
mov word [esi + 2], 0
mov edi, dword [esp + 0x10]
jmp 0x43dedc
add edi, 3
and edi, 0xfffffffc
mov eax, dword [esp + 0x10]
sub eax, edi
mov edi, eax
mov eax, dword [esp + 0x18]
add eax, edi
mov word [esi + 2], ax
push dword [esp + 0xc]
push dword [edx + 0xc]
push edi
call sub.api_ms_win_crt_private_l1_1_0.dll_memcpy
mov edx, dword [esp + 0x14]
add esp, 0xc
mov eax, dword [edx + 0x14]
mov ecx, dword [ebp + 0x18]
or ecx, eax
mov dword [esp + 0x10], edi
je 0x43de20
xor ecx, ecx
test eax, eax
mov eax, 0
cmove eax, edi
mov dword [esp + 0xc], esi
movzx edx, byte [esi]
test edx, edx
je 0x43df6e
mov edi, edx
and edi, 3
xor ecx, ecx
cmp dl, 4
jb 0x43df4e
and edx, 0xfffffffc
xor ecx, ecx
nop word cs:[eax + eax]
rol ecx, 5
movzx esi, byte [ebx]
xor esi, ecx
shld esi, ecx, 5
movzx ecx, byte [ebx + 1]
xor ecx, esi
shld ecx, esi, 5
movzx esi, byte [ebx + 2]
xor esi, ecx
shld esi, ecx, 5
movzx ecx, byte [ebx + 3]
add ebx, 4
xor ecx, esi
add edx, 0xfffffffc
jne 0x43df20
test edi, edi
je 0x43df6e
xor edx, edx
nop word cs:[eax + eax]
rol ecx, 5
movzx esi, byte [ebx + edx]
xor ecx, esi
inc edx
cmp edi, edx
jne 0x43df60
mov esi, dword [esp + 0xc]
mov edx, dword [esi + 4]
test edx, edx
je 0x43dfdd
mov dword [esi + 0xc], ecx
xorps xmm0, xmm0
movaps xmmword [esp + 0x90], xmm0
movaps xmmword [esp + 0x80], xmm0
movaps xmmword [esp + 0x70], xmm0
movaps xmmword [esp + 0x60], xmm0
movaps xmmword [esp + 0x50], xmm0
movaps xmmword [esp + 0x40], xmm0
movaps xmmword [esp + 0x30], xmm0
movaps xmmword [esp + 0x20], xmm0
lea eax, [esp + 0x20]
push eax
push edx
push dword [esp + 0x1c]
call fcn.0041a460
add esp, 0xc
test eax, eax
jne 0x43e050
mov eax, dword [esi + 0xc]
rol eax, 0x10
xor eax, dword [esp + 0x28]
mov dword [esi + 0xc], eax
mov edx, dword [esp + 8]
jmp 0x43de27
mov edx, dword [esi + 8]
test edx, edx
je 0x43e042
add edx, 3
cmp edx, 4
jb 0x43e042
shr edx, 2
lea edi, [edx - 1]
mov esi, edx
and esi, 3
je 0x43e00f
xor ebx, ebx
nop dword [eax + eax]
rol ecx, 0x10
xor ecx, dword [eax]
add eax, 4
inc ebx
cmp esi, ebx
jne 0x43e000
sub edx, ebx
cmp edi, 3
mov esi, dword [esp + 0xc]
jb 0x43e042
xor edi, edi
nop word [eax + eax]
rol ecx, 0x10
xor ecx, dword [eax + edi*4]
rol ecx, 0x10
xor ecx, dword [eax + edi*4 + 4]
rol ecx, 0x10
xor ecx, dword [eax + edi*4 + 8]
rol ecx, 0x10
xor ecx, dword [eax + edi*4 + 0xc]
add edi, 4
cmp edx, edi
jne 0x43e020
mov dword [esi + 0xc], ecx
mov edx, dword [esp + 8]
jmp 0x43de27
xor eax, eax
lea esp, [ebp - 0xc]
pop esi
pop edi
pop ebx
pop ebp
ret