Function at 0x43fb10
Capabilities:
Encode data using xor

Disassembly:
push ebp
push ebx
push edi
push esi
sub esp, 0x280
mov ebx, dword [0x455ad4]
mov ebp, dword [0x455ad0]
mov eax, ebp
or eax, ebx
jne 0x43fbd0
mov dword [esp + 0x50], 0x33ce31c6
mov dword [esp + 0x54], 0x3fca3dd0
mov dword [esp + 0x58], 0x3b0c39cc
mov dword [esp + 0x5c], 0xc732c528
mov dword [esp + 0x60], 0xc3c2c134
mov word [esp + 0x64], 0
mov eax, 0x74
mov ecx, 0x1f054f8b
nop
nop
nop
nop
nop
nop
nop
movzx esi, byte [esp + eax - 0x24]
lea edx, [eax - 0x7f055000]
mov edi, ecx
and edi, 0x1d010d1a
mov ebp, edx
and ebp, 0xda00e5
or ebp, edi
xor ebp, esi
xor ebp, 0x1a
mov ebx, eax
and ebx, esi
or ebx, ebp
and edx, esi
sub ebx, edx
add bl, 0xbc
mov byte [esp + eax - 0x24], bl
inc eax
dec ecx
cmp eax, 0x8a
jne 0x43fb70
lea eax, [esp + 0x50]
push eax
call fcn.0043f770
add esp, 4
mov ebp, eax
mov dword [0x455ad4], edx
mov dword [0x455ad0], eax
or eax, edx
je 0x43fcaa
mov ebx, edx
lea eax, [esp + 0x150]
push 0x40
push eax
push ebx
push ebp
call fcn.0043f580
add esp, 0x10
test eax, eax
js 0x43fcaa
mov eax, dword [esp + 0x18c]
mov ecx, eax
sar ecx, 0x1f
add eax, ebp
adc ecx, ebx
add eax, 0x18
adc ecx, 0
lea edx, [esp + 0x190]
push 0xf0
push edx
push ecx
push eax
call fcn.0043f580
add esp, 0x10
xor edi, edi
test eax, eax
js 0x43fcac
cmp dword [esp + 0x204], 0
je 0x43fcac
mov eax, dword [esp + 0x200]
mov esi, 0
test eax, eax
je 0x43fcae
add eax, ebp
mov ecx, ebx
adc ecx, 0
lea edx, [esp + 0x28]
push 0x28
push edx
push ecx
push eax
call fcn.0043f580
add esp, 0x10
test eax, eax
js 0x43fcaa
mov ecx, dword [esp + 0x3c]
lea esi, [ecx*4]
mov eax, 0xffffffff
cmp ecx, 0x40000000
jae 0x43fc73
mov eax, esi
push eax
call fcn.0040c8c0
add esp, 4
mov edx, dword [esp + 0x44]
add edx, ebp
mov ecx, ebx
adc ecx, 0
push esi
mov dword [esp + 0x10], eax
push eax
push ecx
push edx
call fcn.0043f580
add esp, 0x10
test eax, eax
js 0x43fcbd
mov eax, dword [esp + 0x3c]
test eax, eax
jns 0x43fcc6
mov eax, 0xffffffff
jmp 0x43fcc8
xor edi, edi
xor esi, esi
mov eax, edi
mov edx, esi
add esp, 0x280
pop esi
pop edi
pop ebx
pop ebp
ret
xor edi, edi
xor esi, esi
jmp 0x43ff0c
add eax, eax
push eax
call fcn.0040c8c0
add esp, 4
mov esi, dword [esp + 0x40]
add esi, esi
mov ecx, dword [esp + 0x4c]
add ecx, ebp
mov edx, ebx
adc edx, 0
push esi
mov dword [esp + 8], eax
push eax
push edx
push ecx
call fcn.0043f580
add esp, 0x10
test eax, eax
js 0x43fefc
mov ecx, dword [esp + 0x40]
lea esi, [ecx*4]
mov eax, 0xffffffff
cmp ecx, 0x40000000
jae 0x43fd14
mov eax, esi
push eax
call fcn.0040c8c0
add esp, 4
mov edx, dword [esp + 0x48]
add edx, ebp
mov ecx, ebx
adc ecx, 0
push esi
mov dword [esp + 0x18], eax
push eax
push ecx
push edx
call fcn.0043f580
add esp, 0x10
test eax, eax
js 0x43feea
mov esi, dword [esp + 0x3c]
mov eax, dword [esp + 0x40]
cmp esi, eax
jb 0x43fd4e
mov esi, eax
test esi, esi
je 0x43feea
xor edi, edi
mov dword [esp + 0x24], ebx
mov dword [esp + 0x20], ebp
mov dword [esp + 8], esi
jmp 0x43fd91
mov ebp, 0x36c0b43e
mov esi, dword [esp + 8]
mov edi, dword [esp + 0x10]
cmp ebp, dword [esp + 0x294]
mov ebx, dword [esp + 0x24]
mov ebp, dword [esp + 0x20]
je 0x43ff1d
inc edi
cmp edi, esi
je 0x43feea
mov eax, dword [esp + 0x14]
mov eax, dword [eax + edi*4]
add eax, ebp
mov ecx, ebx
adc ecx, 0
push 0x100
lea edx, [esp + 0x54]
push edx
push ecx
push eax
call fcn.0043f580
add esp, 0x10
test eax, eax
jns 0x43fdbe
cmp eax, 0x8000000d
jne 0x43fd88
mov dword [esp + 0x10], edi
mov eax, 0xffffffff
xor edx, edx
nop
nop
nop
nop
nop
nop
nop
mov ecx, edx
cmp byte [esp + eax + 0x51], 0
lea eax, [eax + 1]
lea edx, [edx + 1]
jne 0x43fdd0
mov dword [esp + 0x18], 0x720e0cf9
mov word [esp + 0x1c], 0
mov edx, 0xc2
mov esi, 0xb09e223d
nop
nop
nop
nop
nop
nop
nop
nop
movzx ebx, byte [esp + esi + 0x4f61dddb]
mov edi, esi
or edi, ebx
not ebx
or ebx, edx
and ebx, edi
mov edi, ebx
and edi, 1
mov ebp, 1
sub ebp, ebx
not ebp
or ebp, ebx
and ebp, 1
or ebx, 1
sub ebx, edi
lea ebx, [ebx + ebp*2]
add bl, 0xce
mov byte [esp + esi + 0x4f61dddb], bl
dec edx
inc esi
cmp edx, 0xbc
jne 0x43fe00
test eax, eax
je 0x43fd66
mov edx, dword [esp + 0x18]
mov esi, edx
not esi
mov ebp, 0x36c0b43e
lea ebx, [esp + 0x50]
cmp eax, 1
mov dword [esp], esi
je 0x43feb7
and ecx, 0xfffffffe
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
movsx edi, byte [ebx]
xor edi, ebp
mov ebp, edi
and ebp, esi
mov esi, edi
not esi
and esi, edx
imul esi, ebp
mov ebp, edi
and ebp, edx
or edi, edx
imul edi, ebp
add edi, esi
movsx ebp, byte [ebx + 1]
add ebx, 2
xor ebp, edi
mov esi, ebp
and esi, dword [esp]
mov edi, ebp
not edi
and edi, edx
imul edi, esi
mov esi, ebp
and esi, edx
or ebp, edx
imul ebp, esi
mov esi, dword [esp]
add ebp, edi
add ecx, 0xfffffffe
jne 0x43fe70
test al, 1
mov esi, dword [esp + 8]
mov edi, dword [esp + 0x10]
je 0x43fd73
movsx eax, byte [ebx]
xor ebp, eax
mov ecx, dword [esp]
and ecx, ebp
mov eax, ebp
not eax
and eax, edx
imul eax, ecx
mov ecx, ebp
and ecx, edx
or ebp, edx
imul ebp, ecx
add ebp, eax
jmp 0x43fd73
xor edi, edi
xor esi, esi
push dword [esp + 0x14]
call fcn.0040c8d0
add esp, 4
jmp 0x43ff00
xor edi, edi
xor esi, esi
push dword [esp + 4]
call fcn.0040c8d0
add esp, 4
push dword [esp + 0xc]
call fcn.0040c8d0
add esp, 4
jmp 0x43fcae
mov eax, dword [esp + 4]
movzx eax, word [eax + edi*2]
mov ecx, dword [esp + 0xc]
add ebp, dword [ecx + eax*4]
adc ebx, 0
mov edi, ebp
mov esi, ebx
jmp 0x43feee