Function at 0x43efb0
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 + 4], 0
mov dword [esp + 0x10], eax
mov eax, dword [eax + 8]
mov dword [esp + 0x18], eax
mov dword [esp], 0x1c1d1a1b
mov eax, esp
mov esi, 0x2f66985
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
movzx ebx, byte [eax]
mov edx, esi
or edx, ebx
lea ebp, [esi - 0x2f66900]
and ebp, ebx
lea ebx, [edx + edx]
not ebx
add ebx, edx
and edx, 0xa8
and ebx, 0x57
or ebx, edx
xor ebx, ebp
xor bl, 0xa8
add bl, 0x9e
mov byte [eax], bl
inc eax
dec esi
cmp esi, 0x2f66981
jne 0x43eff0
mov eax, dword [esp]
mov edx, dword [0x44f228]
test edx, edx
je 0x43f082
xor esi, esi
mov ebx, dword [0x44f22c]
nop
nop
nop
nop
nop
nop
cmp dword [ebx + esi*8], 0x3e416e49
je 0x43f050
inc esi
cmp edx, esi
jne 0x43f040
jmp 0x43f082
mov edx, dword [ebx + esi*8 + 4]
cmp edx, eax
je 0x43f082
lea eax, [esp + 0x18]
lea esi, [esp + 4]
push 4
push 0x3000
push eax
push 0
push esi
push 0xffffffffffffffff
push 6
push dword [0x44f230]
push edx
mov esi, ecx
call fcn.004400f0
mov ecx, esi
add esp, 0x24
test eax, eax
js 0x43f0e2
push 0
push 0
mov esi, dword [esp + 0x18]
push dword [esi + 8]
push dword [esp + 0x10]
push dword [esi + 4]
push dword [esi]
call fcn.0043e310
test eax, eax
jns 0x43f0b8
mov ecx, eax
xor eax, eax
mov edx, 0
cmp ecx, 0x8000000d
jne 0x43f171
mov ecx, dword [esp + 4]
mov ebx, dword [esi + 8]
add ebx, ecx
sub ebx, dword [esp + 0x38]
xor eax, eax
mov edx, 0
mov dword [esp + 8], ecx
mov dword [esp + 0xc], ebx
cmp ebx, ecx
jbe 0x43f171
mov ecx, dword [esp + 8]
jmp 0x43f103
xor eax, eax
xor edx, edx
jmp 0x43f222
xor edx, 1
and eax, 0xfffffffc
sub eax, edx
add ecx, eax
inc ecx
xor eax, eax
mov edx, 0
cmp ecx, dword [esp + 0xc]
jae 0x43f171
test edi, edi
je 0x43f10c
cmp byte [edi], 0x3f
je 0x43f117
movzx eax, byte [ecx]
mov edx, dword [esp + 0x34]
cmp al, byte [edx]
jne 0x43f0f5
cmp dword [esp + 0x38], 2
jb 0x43f157
mov edx, 1
mov eax, 2
jmp 0x43f14b
movzx ebx, byte [ecx + edx]
mov ebp, edi
mov edi, dword [esp + 0x34]
cmp bl, byte [edi + edx]
mov edi, ebp
jne 0x43f0eb
inc edx
add eax, 2
cmp dword [esp + 0x38], edx
je 0x43f157
test edi, edi
je 0x43f130
cmp byte [edi + edx], 0x3f
jne 0x43f130
jmp 0x43f141
test ecx, ecx
je 0x43f16d
sub ecx, dword [esp + 8]
mov edx, ecx
sar edx, 0x1f
add ecx, dword [esi]
adc edx, dword [esi + 4]
mov eax, ecx
jmp 0x43f171
xor eax, eax
xor edx, edx
mov dword [esp + 0x14], 0
mov dword [esp], 0x1c1d1a1b
mov ecx, esp
mov esi, 0x2f66985
nop
nop
nop
nop
nop
nop
nop
nop
nop
movzx ebx, byte [ecx]
mov ebp, esi
or ebp, ebx
lea edi, [esi - 0x2f66900]
and edi, ebx
lea ebx, [ebp*2]
not ebx
add ebx, ebp
and ebp, 0xa8
and ebx, 0x57
or ebx, ebp
xor ebx, edi
xor bl, 0xa8
add bl, 0x9e
mov byte [ecx], bl
inc ecx
dec esi
cmp esi, 0x2f66981
jne 0x43f190
mov ecx, dword [0x44f228]
test ecx, ecx
je 0x43f222
mov esi, dword [esp]
xor edi, edi
mov ebx, dword [0x44f22c]
nop
nop
cmp dword [ebx + edi*8], 0x16194952
je 0x43f1f0
inc edi
cmp ecx, edi
jne 0x43f1e0
jmp 0x43f222
mov ecx, dword [ebx + edi*8 + 4]
cmp ecx, esi
je 0x43f222
lea esi, [esp + 0x14]
lea edi, [esp + 4]
push 0x8000
push esi
push edi
push 0xffffffffffffffff
push 4
push dword [0x44f230]
push ecx
mov esi, eax
mov edi, edx
call fcn.004400f0
mov edx, edi
mov eax, esi
add esp, 0x1c
add esp, 0x1c
pop esi
pop edi
pop ebx
pop ebp
ret 0x10