Function at 0x43efe0
Capabilities:
Encode data using xor

Disassembly:
push ebp
push ebx
push edi
push esi
sub esp, 0x1c
mov eax, ecx
mov edi, dword [esp + 0x3c]
mov ecx, dword [esp + 0x30]
mov dword [esp + 8], 0
mov dword [esp + 0xc], eax
mov eax, dword [eax + 8]
mov dword [esp + 0x18], eax
mov dword [esp], 0xbcbdbebf
mov word [esp + 4], 0
mov byte [esp + 6], 0
mov eax, 0x20
mov edx, 0xdf
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
movzx ebp, byte [esp + eax - 0x20]
mov ebx, edx
xor ebx, eax
and ebx, ebp
xor ebx, eax
add bl, 0x60
mov byte [esp + eax - 0x20], bl
inc eax
dec edx
cmp eax, 0x27
jne 0x43f030
mov eax, dword [esp]
mov edx, dword [0x44f9d8]
test edx, edx
je 0x43f0a2
xor ebp, ebp
mov ebx, dword [0x44f9dc]
cmp dword [ebx + ebp*8], 0xf3285e74
je 0x43f070
inc ebp
cmp edx, ebp
jne 0x43f060
jmp 0x43f0a2
mov edx, dword [ebx + ebp*8 + 4]
cmp edx, eax
je 0x43f0a2
lea eax, [esp + 0x18]
lea ebx, [esp + 8]
push 4
push 0x3000
push eax
push 0
push ebx
push 0xffffffffffffffff
push 6
push dword [0x44f9e0]
push edx
mov ebx, ecx
call fcn.00440440
mov ecx, ebx
add esp, 0x24
test eax, eax
js 0x43f104
push 0
push 0
mov eax, dword [esp + 0x14]
push dword [eax + 8]
push dword [esp + 0x14]
push dword [eax + 4]
push dword [eax]
call fcn.0043e470
test eax, eax
mov ebx, dword [esp + 0x38]
jns 0x43f0dc
mov ecx, eax
xor eax, eax
mov edx, 0
cmp ecx, 0x8000000d
jne 0x43f1a0
mov ecx, dword [esp + 8]
mov eax, dword [esp + 0xc]
mov ebp, dword [eax + 8]
add ebp, ecx
sub ebp, ebx
xor eax, eax
mov edx, 0
mov dword [esp + 0x10], ecx
cmp ebp, ecx
jbe 0x43f1a0
mov ecx, dword [esp + 0x10]
jmp 0x43f12f
xor eax, eax
xor edx, edx
jmp 0x43f242
lea edx, [eax - 0x7af2084b]
and edx, 0xfffffffe
and eax, 1
sub edx, eax
add ecx, edx
add ecx, 0x7af2084b
inc ecx
xor eax, eax
mov edx, 0
cmp ecx, ebp
jae 0x43f1a0
test edi, edi
je 0x43f138
cmp byte [edi], 0x3f
je 0x43f143
movzx eax, byte [ecx]
mov edx, dword [esp + 0x34]
cmp al, byte [edx]
jne 0x43f123
cmp ebx, 2
jb 0x43f182
mov eax, 1
jmp 0x43f176
movzx edx, byte [ecx + eax]
mov esi, dword [esp + 0x34]
cmp dl, byte [esi + eax]
jne 0x43f10d
mov edx, eax
xor edx, 0x507db781
and eax, 0xd07db781
lea eax, [edx + eax*2]
add eax, 0xaf824880
cmp eax, ebx
jae 0x43f182
test edi, edi
je 0x43f150
cmp byte [edi + eax], 0x3f
jne 0x43f150
jmp 0x43f15d
test ecx, ecx
je 0x43f19c
sub ecx, dword [esp + 0x10]
mov edx, ecx
sar edx, 0x1f
mov eax, dword [esp + 0xc]
add ecx, dword [eax]
adc edx, dword [eax + 4]
mov eax, ecx
jmp 0x43f1a0
xor eax, eax
xor edx, edx
mov dword [esp + 0x14], 0
mov dword [esp], 0xbcbdbebf
mov word [esp + 4], 0
mov byte [esp + 6], 0
mov ecx, 0x20
mov esi, 0xdf
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
movzx edi, byte [esp + ecx - 0x20]
mov ebx, esi
xor ebx, ecx
and ebx, edi
xor ebx, ecx
add bl, 0x60
mov byte [esp + ecx - 0x20], bl
inc ecx
dec esi
cmp ecx, 0x27
jne 0x43f1d0
mov ecx, dword [0x44f9d8]
test ecx, ecx
je 0x43f242
mov esi, dword [esp]
xor edi, edi
mov ebx, dword [0x44f9dc]
cmp dword [ebx + edi*8], 0x731cdbf3
je 0x43f210
inc edi
cmp ecx, edi
jne 0x43f200
jmp 0x43f242
mov ecx, dword [ebx + edi*8 + 4]
cmp ecx, esi
je 0x43f242
lea esi, [esp + 0x14]
lea edi, [esp + 8]
push 0x8000
push esi
push edi
push 0xffffffffffffffff
push 4
push dword [0x44f9e0]
push ecx
mov esi, eax
mov edi, edx
call fcn.00440440
mov edx, edi
mov eax, esi
add esp, 0x1c
add esp, 0x1c
pop esi
pop edi
pop ebx
pop ebp
ret 0x10