Function at 0x43a120
Capabilities:
Encode data using xor

Disassembly:
push ebp
mov ebp, esp
push 0xffffffffffffffff
push 0x4f9335
mov eax, dword fs:[0]
push eax
sub esp, 0x2c
mov eax, dword [0x54b07c]
xor eax, ebp
mov dword [ebp - 0x10], eax
push ebx
push esi
push edi
push eax
lea eax, [ebp - 0xc]
mov dword fs:[0], eax
mov dword [ebp - 0x30], ecx
lea ecx, [ebp + 8]
mov dword [ebp - 4], 0
call fcn.0042b490
mov ebx, dword [ebp + 0x1c]
lea eax, [ebp + 8]
mov edi, dword [ebp + 8]
mov dword [ebp - 0x2c], eax
cmp ebx, 0x10
jb 0x43a171
mov dword [ebp - 0x2c], edi
lea ecx, [ebp + 8]
jb 0x43a178
mov ecx, edi
mov eax, dword [ebp + 0x18]
lea esi, [ebp + 8]
add eax, ecx
mov dword [ebp - 0x34], eax
cmp ebx, 0x10
jb 0x43a18a
mov esi, edi
cmp esi, eax
je 0x43a1b0
mov ebx, dword [ebp - 0x2c]
mov edi, dword [ebp - 0x34]
sub ebx, esi
movsx eax, byte [esi]
push eax
call fcn.004cfb69
mov byte [ebx + esi], al
add esp, 4
inc esi
cmp esi, edi
jne 0x43a196
mov ebx, dword [ebp + 0x1c]
mov edi, dword [ebp + 8]
lea eax, [ebp + 8]
mov dword [ebp - 0x2c], eax
cmp ebx, 0x10
jb 0x43a1be
mov dword [ebp - 0x2c], edi
mov esi, dword [ebp + 0x18]
xor ecx, ecx
mov edx, 0x811c9dc5
test esi, esi
je 0x43a1e4
mov ebx, dword [ebp - 0x2c]
nop
movzx eax, byte [ecx + ebx]
inc ecx
xor eax, edx
imul edx, eax, 0x1000193
cmp ecx, esi
jb 0x43a1d0
mov ebx, dword [ebp + 0x1c]
mov esi, dword [ebp - 0x30]
lea eax, [ebp + 8]
push edx
push eax
lea eax, [ebp - 0x38]
mov ecx, esi
push eax
call fcn.0043e230
mov eax, dword [eax + 4]
test eax, eax
je 0x43a20e
cmp eax, dword [esi + 4]
je 0x43a20e
mov eax, dword [eax + 0x20]
add esi, 0x20
jmp 0x43a2d6
mov eax, dword [esi + 0x24]
add esi, 0x20
mov ecx, dword [ebp - 0x30]
sub eax, dword [esi]
sar eax, 4
imul edi, eax, 0xaaaaaaab
lea eax, [ebp + 8]
push eax
mov dword [ebp - 0x34], edi
call fcn.0043c7e0
xor ebx, ebx
mov dword [ebp - 0x14], 0xf
mov dword [ebp - 0x28], ebx
mov dword [ebp - 0x24], ebx
mov dword [eax], edi
mov dword [ebp - 0x20], ebx
mov dword [ebp - 0x1c], ebx
mov dword [ebp - 0x18], ebx
mov byte [ebp - 0x28], bl
mov byte [ebp - 4], 1
mov edi, dword [esi + 4]
cmp edi, dword [esi + 8]
je 0x43a28d
lea eax, [ebp + 8]
mov ecx, edi
push eax
call fcn.00401d10
mov eax, dword [ebp - 0x28]
lea ecx, [ebx + 0xf]
mov dword [edi + 0x28], ebx
mov dword [edi + 0x2c], ebx
mov dword [edi + 0x18], eax
mov dword [edi + 0x1c], ebx
mov dword [edi + 0x20], ebx
mov dword [edi + 0x24], ebx
mov dword [edi + 0x28], ebx
mov dword [edi + 0x2c], 0xf
add dword [esi + 4], 0x30
mov byte [ebp - 0x28], bl
jmp 0x43a2a0
lea eax, [ebp - 0x28]
mov ecx, esi
push eax
lea eax, [ebp + 8]
push eax
push edi
call fcn.0043eac0
mov ecx, dword [ebp - 0x14]
cmp ecx, 0x10
jb 0x43a2cd
mov edx, dword [ebp - 0x28]
inc ecx
mov eax, edx
cmp ecx, 0x1000
jb 0x43a2c3
mov edx, dword [eax - 4]
add ecx, 0x23
sub eax, edx
add eax, 0xfffffffc
cmp eax, 0x1f
ja 0x43a32b
push ecx
push edx
call fcn.0049dbeb
add esp, 8
mov ebx, dword [ebp + 0x1c]
mov edi, dword [ebp + 8]
mov eax, dword [ebp - 0x34]
mov esi, dword [esi]
lea ecx, [eax + eax*2]
shl ecx, 4
add esi, ecx
cmp ebx, 0x10
jb 0x43a30a
inc ebx
mov eax, edi
cmp ebx, 0x1000
jb 0x43a300
mov edi, dword [eax - 4]
add ebx, 0x23
sub eax, edi
add eax, 0xfffffffc
cmp eax, 0x1f
ja 0x43a32b
push ebx
push edi
call fcn.0049dbeb
add esp, 8
lea eax, [esi + 0x18]
mov ecx, dword [ebp - 0xc]
mov dword fs:[0], ecx
pop ecx
pop edi
pop esi
pop ebx
mov ecx, dword [ebp - 0x10]
xor ecx, ebp
call fcn.0049dba8
mov esp, ebp
pop ebp
ret 0x18
call fcn.004cb586
int3