Function at 0x41c870
Capabilities:
Encode data using xor
Encrypt data using aes
Reference aes constants

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x10
push ebx
push esi
mov esi, dword [ebp + 8]
mov ebx, ecx
push edi
test esi, esi
je 0x41cc54
mov eax, dword [ebp + 0xc]
mov dword [ebx + 0x3cc], 0x10
mov dword [ebx + 0x3c8], 0x10
movups xmm0, xmmword [eax]
movups xmmword [ebx + 0x3d4], xmm0
push dword [ebx + 0x3cc]
push eax
lea eax, [ebx + 0x3f4]
push eax
call sub.VCRUNTIME140.dll_memcpy
mov eax, dword [ebx + 0x3c8]
add esp, 0xc
cmp eax, 0x10
je 0x41c8e7
cmp eax, 0x18
je 0x41c8d9
mov dword [ebx + 0x3d0], 0xe
jmp 0x41c90c
xor eax, eax
cmp dword [ebx + 0x3cc], 0x20
sete al
jmp 0x41c8ff
mov ecx, dword [ebx + 0x3cc]
cmp ecx, 0x10
jne 0x41c8f7
lea eax, [ecx - 6]
jmp 0x41c906
xor eax, eax
cmp ecx, 0x18
setne al
lea eax, [eax*2 + 0xc]
mov dword [ebx + 0x3d0], eax
mov eax, dword [ebx + 0x3cc]
cdq
and edx, 3
add eax, edx
xor edx, edx
sar eax, 2
mov dword [ebp + 0xc], eax
cmp dword [ebx + 0x3d0], edx
jl 0x41c94f
lea edi, [ebx + 8]
mov esi, eax
mov dword [ebp - 0xc], edi
test esi, esi
jle 0x41c93d
mov ecx, esi
xor eax, eax
rep stosd dword es:[edi], eax
mov edi, dword [ebp - 0xc]
inc edx
add edi, 0x20
mov dword [ebp - 0xc], edi
cmp edx, dword [ebx + 0x3d0]
jle 0x41c930
mov esi, dword [ebp + 8]
xor edx, edx
cmp dword [ebx + 0x3d0], edx
jl 0x41c984
mov esi, dword [ebp + 0xc]
lea edi, [ebx + 0x1e8]
mov dword [ebp - 0xc], edi
test esi, esi
jle 0x41c972
mov ecx, esi
xor eax, eax
rep stosd dword es:[edi], eax
mov edi, dword [ebp - 0xc]
inc edx
add edi, 0x20
mov dword [ebp - 0xc], edi
cmp edx, dword [ebx + 0x3d0]
jle 0x41c965
mov esi, dword [ebp + 8]
mov eax, dword [ebx + 0x3d0]
inc eax
imul eax, dword [ebp + 0xc]
mov dword [ebp + 8], eax
mov eax, dword [ebx + 0x3c8]
cdq
and edx, 3
add eax, edx
lea edx, [ebx + 0x414]
sar eax, 2
mov ecx, edx
mov dword [ebp - 0xc], eax
test eax, eax
jle 0x41c9e7
mov edx, eax
movzx eax, byte [esi]
lea esi, [esi + 4]
shl eax, 0x18
lea ecx, [ecx + 4]
mov dword [ecx - 4], eax
movzx eax, byte [esi - 3]
shl eax, 0x10
or dword [ecx - 4], eax
movzx eax, byte [esi - 2]
shl eax, 8
or dword [ecx - 4], eax
movzx eax, byte [esi - 1]
or dword [ecx - 4], eax
sub edx, 1
jne 0x41c9b2
lea edx, [ebx + 0x414]
mov esi, dword [ebp - 0xc]
xor edi, edi
test esi, esi
jle 0x41ca35
mov ecx, edx
mov dword [ebp - 4], edx
cmp edi, dword [ebp + 8]
jge 0x41cbc0
mov eax, edi
mov ecx, dword [ecx]
cdq
inc edi
idiv dword [ebp + 0xc]
lea esi, [edx + eax*8]
mov dword [ebx + esi*4 + 8], ecx
mov ecx, dword [ebx + 0x3d0]
mov esi, dword [ebp - 0xc]
sub ecx, eax
mov eax, dword [ebp - 4]
lea ecx, [edx + ecx*8]
mov eax, dword [eax]
mov dword [ebx + ecx*4 + 0x1e8], eax
mov ecx, dword [ebp - 4]
add ecx, 4
mov dword [ebp - 4], ecx
cmp edi, esi
jl 0x41c9f5
cmp edi, dword [ebp + 8]
jge 0x41cbc0
mov dword [ebp - 4], 0x426658
nop word [eax + eax]
mov edx, dword [ebx + esi*4 + 0x410]
mov eax, edx
sar eax, 0x10
movzx eax, al
movsx ecx, byte [eax + str.cw]
mov eax, dword [ebp - 4]
inc dword [ebp - 4]
movsx eax, byte [eax]
xor ecx, eax
mov eax, edx
sar eax, 8
movzx eax, al
shl ecx, 8
movzx eax, byte [eax + str.cw]
xor ecx, eax
movzx eax, dl
shl ecx, 8
sar edx, 0x18
movzx eax, byte [eax + str.cw]
xor ecx, eax
movzx eax, dl
shl ecx, 8
movzx eax, byte [eax + str.cw]
xor ecx, eax
lea eax, [ebx + 0x414]
xor dword [eax], ecx
cmp esi, 8
je 0x41cad8
cmp esi, 1
jle 0x41cb64
lea ecx, [ebx + 0x418]
lea edx, [esi - 1]
mov eax, dword [ecx - 4]
lea ecx, [ecx + 4]
xor dword [ecx - 4], eax
sub edx, 1
jne 0x41cac5
jmp 0x41cb5e
lea eax, [ebx + 0x418]
mov edx, 3
mov ecx, dword [eax - 4]
lea eax, [eax + 4]
xor dword [eax - 4], ecx
sub edx, 1
jne 0x41cae3
mov edx, dword [ebx + 0x420]
mov eax, edx
sar eax, 0x18
movzx eax, al
movsx ecx, byte [eax + str.cw]
mov eax, edx
sar eax, 0x10
movzx eax, al
shl ecx, 8
movzx eax, byte [eax + str.cw]
xor ecx, eax
mov eax, edx
sar eax, 8
movzx eax, al
shl ecx, 8
movzx eax, byte [eax + str.cw]
xor ecx, eax
movzx eax, dl
shl ecx, 8
mov edx, 3
movzx eax, byte [eax + str.cw]
xor ecx, eax
xor dword [ebx + 0x424], ecx
lea ecx, [ebx + 0x428]
nop
mov eax, dword [ecx - 4]
lea ecx, [ecx + 4]
xor dword [ecx - 4], eax
sub edx, 1
jne 0x41cb50
lea eax, [ebx + 0x414]
mov dword [ebp - 0x10], 0
test esi, esi
jle 0x41cbb7
mov ecx, eax
mov dword [ebp - 8], eax
cmp edi, dword [ebp + 8]
jge 0x41cbc0
mov eax, edi
mov ecx, dword [ecx]
cdq
inc edi
idiv dword [ebp + 0xc]
lea esi, [edx + eax*8]
mov dword [ebx + esi*4 + 8], ecx
mov ecx, dword [ebx + 0x3d0]
mov esi, dword [ebp - 0xc]
sub ecx, eax
mov eax, dword [ebp - 8]
lea ecx, [edx + ecx*8]
mov eax, dword [eax]
mov dword [ebx + ecx*4 + 0x1e8], eax
mov eax, dword [ebp - 0x10]
mov ecx, dword [ebp - 8]
inc eax
add ecx, 4
mov dword [ebp - 0x10], eax
mov dword [ebp - 8], ecx
cmp eax, esi
jl 0x41cb74
cmp edi, dword [ebp + 8]
jl 0x41ca50
mov ecx, 1
mov dword [ebp + 8], ecx
cmp dword [ebx + 0x3d0], ecx
jle 0x41cc47
mov eax, dword [ebp + 0xc]
lea edx, [ebx + 0x208]
mov dword [ebp - 0x10], edx
nop dword [eax]
test eax, eax
jle 0x41cc35
mov esi, edx
mov edi, eax
mov edx, dword [esi]
lea esi, [esi + 4]
mov eax, edx
sar eax, 0x18
movzx ecx, al
mov eax, edx
sar eax, 0x10
movzx eax, al
mov ecx, dword [ecx*4 + 0x425e58]
xor ecx, dword [eax*4 + 0x426b78]
mov eax, edx
sar eax, 8
movzx eax, al
xor ecx, dword [eax*4 + 0x424958]
movzx eax, dl
xor ecx, dword [eax*4 + 0x426258]
mov dword [esi - 4], ecx
sub edi, 1
jne 0x41cbe8
mov eax, dword [ebp + 0xc]
mov ecx, dword [ebp + 8]
mov edx, dword [ebp - 0x10]
inc ecx
add edx, 0x20
mov dword [ebp + 8], ecx
mov dword [ebp - 0x10], edx
cmp ecx, dword [ebx + 0x3d0]
jl 0x41cbe0
pop edi
pop esi
mov byte [ebx + 4], 1
pop ebx
mov esp, ebp
pop ebp
ret 0x10
push 0x42ccc0
lea eax, [ebp + 8]
mov dword [ebp + 8], str.Empty_key
push eax
call sub.VCRUNTIME140.dll__CxxThrowException
int3