Function at 0x4040b7
Capabilities:
Encode data using xor
Encrypt data using aes
Reference aes constants

Disassembly:
mov eax, 0x49358c
call fcn.00437c90
sub esp, 0x28
push ebx
push esi
mov esi, dword [ebp + 8]
mov ebx, ecx
mov dword [ebp - 0x1c], ebx
push edi
test esi, esi
je 0x404508
mov ecx, dword [ebp + 0x10]
push 0x18
pop edi
cmp ecx, 0x10
je 0x404107
cmp ecx, edi
je 0x404107
cmp ecx, 0x20
je 0x404107
lea eax, [ebp + 0xc]
push 0x4c1614
push eax
call fcn.0047baa5
pop ecx
pop ecx
mov dword [ebp - 4], 1
jmp 0x40451c
mov eax, dword [ebp + 0x14]
cmp eax, 0x10
je 0x40414d
cmp eax, edi
je 0x40414d
cmp eax, 0x20
je 0x40414d
lea eax, [ebp + 8]
push 0x4c1640
push eax
call fcn.0047baa5
pop ecx
pop ecx
mov ecx, eax
mov dword [ebp - 4], 2
call dword [sym.imp.mfc140u.dll_Ordinal_1665]
push eax
lea ecx, [ebp - 0x34]
call fcn.00425f85
push 0x4dff50
lea eax, [ebp - 0x34]
jmp 0x404535
push eax
push dword [ebp + 0xc]
mov dword [ebx + 0x3cc], eax
lea eax, [ebx + 0x3d4]
push eax
mov dword [ebx + 0x3c8], ecx
call sub.VCRUNTIME140.dll_memcpy
push dword [ebx + 0x3cc]
lea eax, [ebx + 0x3f4]
push dword [ebp + 0xc]
push eax
call sub.VCRUNTIME140.dll_memcpy
mov eax, dword [ebx + 0x3c8]
add esp, 0x18
mov ecx, dword [ebx + 0x3cc]
cmp eax, 0x10
je 0x4041b0
cmp eax, edi
je 0x4041a2
mov dword [ebx + 0x3d0], 0xe
jmp 0x4041cb
push 0xe
pop eax
push 0xc
cmp ecx, 0x20
pop edx
cmovne eax, edx
jmp 0x4041c5
cmp ecx, 0x10
jne 0x4041ba
push 0xa
pop eax
jmp 0x4041c5
push 0xe
pop eax
push 0xc
cmp ecx, edi
pop edx
cmove eax, edx
mov dword [ebx + 0x3d0], eax
mov eax, ecx
lea ecx, [ebx + 8]
cdq
and edx, 3
mov dword [ebp + 0xc], ecx
lea edi, [edx + eax]
sar edi, 2
xor edx, edx
mov dword [ebp + 8], edi
test edi, edi
jle 0x4041f5
mov ecx, edi
xor eax, eax
mov edi, dword [ebp + 0xc]
rep stosd dword es:[edi], eax
mov edi, dword [ebp + 8]
mov ecx, dword [ebp + 0xc]
mov eax, dword [ebx + 0x3d0]
inc edx
add ecx, 0x20
mov dword [ebp + 0xc], ecx
cmp edx, eax
jle 0x4041e2
xor ecx, ecx
mov dword [ebp + 0xc], ecx
test eax, eax
js 0x404238
lea edx, [ebx + 0x1e8]
test edi, edi
jle 0x404227
mov ecx, edi
xor eax, eax
mov edi, edx
rep stosd dword es:[edi], eax
mov edi, dword [ebp + 8]
mov ecx, dword [ebp + 0xc]
mov eax, dword [ebx + 0x3d0]
inc ecx
add edx, 0x20
mov dword [ebp + 0xc], ecx
cmp ecx, eax
jle 0x404215
inc eax
imul eax, edi
mov dword [ebp + 0x14], eax
mov eax, dword [ebx + 0x3c8]
cdq
and edx, 3
lea ecx, [edx + eax]
sar ecx, 2
lea eax, [ebx + 0x414]
mov dword [ebp + 0xc], ecx
mov dword [ebp - 0x18], eax
test ecx, ecx
jle 0x4042a0
mov ebx, ecx
mov edi, eax
movzx eax, byte [esi]
lea esi, [esi + 4]
shl eax, 0x18
mov dword [edi], eax
movzx edx, byte [esi - 3]
shl edx, 0x10
or edx, eax
mov dword [edi], edx
movzx ecx, byte [esi - 2]
shl ecx, 8
or ecx, edx
mov dword [edi], ecx
movzx eax, byte [esi - 1]
or eax, ecx
mov dword [edi], eax
lea edi, [edi + 4]
sub ebx, 1
jne 0x404263
mov ebx, dword [ebp - 0x1c]
mov edi, dword [ebp + 8]
mov ecx, dword [ebp + 0xc]
mov eax, dword [ebp - 0x18]
xor esi, esi
mov dword [ebp + 0x10], esi
test ecx, ecx
jle 0x4042f5
mov ecx, eax
mov dword [ebp - 0x10], ecx
jmp 0x4042b3
mov ecx, dword [ebp - 0x10]
cmp esi, dword [ebp + 0x14]
jge 0x404479
mov eax, esi
mov ecx, dword [ecx]
cdq
idiv edi
lea esi, [edx + eax*8]
mov dword [ebx + esi*4 + 8], ecx
mov ecx, dword [ebx + 0x3d0]
mov esi, dword [ebp + 0x10]
sub ecx, eax
inc esi
mov dword [ebp + 0x10], esi
lea ecx, [edx + ecx*8]
mov edx, dword [ebp - 0x10]
mov eax, dword [edx]
add edx, 4
mov dword [ebx + ecx*4 + 0x1e8], eax
mov ecx, dword [ebp + 0xc]
mov dword [ebp - 0x10], edx
cmp esi, ecx
jl 0x4042b0
cmp esi, dword [ebp + 0x14]
jge 0x404479
mov dword [ebp - 0x10], 0x4c14a0
mov edx, dword [ebx + ecx*4 + 0x410]
mov eax, edx
sar eax, 0x10
movzx eax, al
movsx ecx, byte [eax + str.cw]
mov eax, dword [ebp - 0x10]
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
inc dword [ebp - 0x10]
mov ecx, dword [ebp + 0xc]
cmp ecx, 8
je 0x404392
cmp ecx, 1
jle 0x404419
lea edx, [ebx + 0x418]
lea edi, [ecx - 1]
mov eax, dword [edx - 4]
xor dword [edx], eax
lea edx, [edx + 4]
sub edi, 1
jne 0x40437d
mov edi, dword [ebp + 8]
jmp 0x404413
push 3
lea ecx, [ebx + 0x418]
pop edx
mov eax, dword [ecx - 4]
xor dword [ecx], eax
lea ecx, [ecx + 4]
sub edx, 1
jne 0x40439b
mov edx, dword [ebx + 0x420]
mov eax, edx
sar eax, 0x18
movzx eax, al
push 3
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
pop edx
movzx eax, byte [eax + str.cw]
xor ecx, eax
xor dword [ebx + 0x424], ecx
lea ecx, [ebx + 0x428]
mov eax, dword [ecx - 4]
xor dword [ecx], eax
lea ecx, [ecx + 4]
sub edx, 1
jne 0x404403
mov ecx, dword [ebp + 0xc]
lea eax, [ebx + 0x414]
and dword [ebp - 0x18], 0
test ecx, ecx
jle 0x404470
mov ecx, eax
mov dword [ebp - 0x14], ecx
jmp 0x40442b
mov ecx, dword [ebp - 0x14]
cmp esi, dword [ebp + 0x14]
jge 0x404479
mov eax, esi
mov ecx, dword [ecx]
cdq
idiv edi
lea esi, [edx + eax*8]
mov dword [ebx + esi*4 + 8], ecx
mov ecx, dword [ebx + 0x3d0]
mov esi, dword [ebp + 0x10]
sub ecx, eax
lea ecx, [edx + ecx*8]
mov edx, dword [ebp - 0x14]
mov eax, dword [edx]
add edx, 4
mov dword [ebx + ecx*4 + 0x1e8], eax
mov eax, dword [ebp - 0x18]
mov ecx, dword [ebp + 0xc]
inc eax
inc esi
mov dword [ebp - 0x18], eax
mov dword [ebp - 0x14], edx
mov dword [ebp + 0x10], esi
cmp eax, ecx
jl 0x404428
cmp esi, dword [ebp + 0x14]
jl 0x404305
xor esi, esi
inc esi
cmp dword [ebx + 0x3d0], esi
jle 0x4044f3
lea eax, [ebx + 0x208]
mov dword [ebp + 0xc], eax
test edi, edi
jle 0x4044e4
mov ebx, edi
mov dword [ebp + 0x10], eax
mov edi, eax
mov edx, dword [edi]
mov eax, edx
sar eax, 0x18
movzx ecx, al
mov eax, edx
sar eax, 0x10
movzx eax, al
mov ecx, dword [ecx*4 + 0x4c04a0]
xor ecx, dword [eax*4 + 0x4c08a0]
mov eax, edx
sar eax, 8
movzx eax, al
xor ecx, dword [eax*4 + 0x4c0ca0]
movzx eax, dl
xor ecx, dword [eax*4 + 0x4c10a0]
mov dword [edi], ecx
lea edi, [edi + 4]
sub ebx, 1
jne 0x404498
mov ebx, dword [ebp - 0x1c]
mov edi, dword [ebp + 8]
mov eax, dword [ebp + 0xc]
inc esi
add eax, 0x20
mov dword [ebp + 0xc], eax
cmp esi, dword [ebx + 0x3d0]
jl 0x40448d
mov ecx, dword [ebp - 0xc]
pop edi
mov byte [ebx + 4], 1
pop esi
pop ebx
mov dword fs:[0], ecx
leave
ret 0x10
lea eax, [ebp + 0xc]
push 0x4c15fc
push eax
call fcn.0047baa5
pop ecx
pop ecx
and dword [ebp - 4], 0
mov ecx, eax
call dword [sym.imp.mfc140u.dll_Ordinal_1665]
push eax
lea ecx, [ebp - 0x28]
call fcn.00425f85
push 0x4dff50
lea eax, [ebp - 0x28]
push eax
call sub.VCRUNTIME140.dll__CxxThrowException
int3