Function at 0x4f553e
Capabilities:
Encode data using xor

Disassembly:
mov eax, 0x34
call fcn.00554e1e
mov eax, dword [0x101af070]
xor eax, esp
mov dword [esp + 0x30], eax
mov eax, dword [esp + 0x38]
push esi
push edi
mov edi, dword [esp + 0x44]
xor esi, esi
mov dword [esp + 0xc], eax
mov dword [esp + 0x18], esi
cmp edi, esi
jne 0x4f557f
pop edi
lea eax, [esi + 1]
pop esi
mov ecx, dword [esp + 0x30]
xor ecx, esp
call fcn.00551072
add esp, 0x34
ret
push ebp
call fcn.004b7f6e
mov ebp, eax
cmp ebp, esi
je 0x4f58ae
push 0x100bee90
push 0x101b4138
call fcn.004ad74e
add esp, 8
neg eax
sbb eax, eax
test dword [0x101b4140], eax
je 0x4f58ae
push ebx
cmp dword [0x101b413c], esi
je 0x4f568c
call fcn.004ad82e
mov ecx, dword [0x101b4134]
push ecx
mov esi, eax
call fcn.004ad6de
mov edx, dword [0x101b3ce8]
push esi
push edx
call fcn.004ad83e
mov ebx, eax
mov eax, dword [0x101b4134]
push eax
mov dword [esp + 0x28], ebx
call fcn.004ad6fe
add esp, 0x10
test ebx, ebx
jne 0x4f5605
mov ecx, dword [0x101b4130]
push ecx
call fcn.004ad6de
add esp, 4
mov edx, dword [0x101b411c]
mov eax, dword [0x101b4120]
mov ecx, dword [0x101b4118]
mov dword [esp + 0x24], edx
mov edx, dword [0x101b3cec]
mov dword [esp + 0x28], eax
mov eax, dword [0x101b3cf0]
mov dword [esp + 0x2c], edx
mov edx, dword [0x101b3cf4]
mov esi, ecx
add ecx, edi
mov dword [esp + 0x30], eax
mov eax, dword [0x101b3cf8]
mov dword [esp + 0x34], edx
mov edx, dword [0x101b3cfc]
mov dword [esp + 0x38], eax
mov dword [esp + 0x3c], edx
mov dword [0x101b4118], ecx
cmp ecx, 0x3ff
jb 0x4f5697
mov eax, 0x401005
mul ecx
mov eax, ecx
sub eax, edx
shr eax, 1
add eax, edx
shr eax, 9
imul eax, eax, 0xfffffc01
add ecx, eax
mov dword [0x101b4118], ecx
mov dword [0x101b4114], 0x3ff
jmp 0x4f56ad
mov dword [esp + 0x18], esi
mov ebx, esi
jmp 0x4f55f6
mov eax, dword [0x101b4114]
cmp eax, 0x3ff
jae 0x4f56ad
cmp ecx, eax
jbe 0x4f56ad
mov dword [0x101b4114], ecx
mov eax, 0x66666667
imul edi
sar edx, 3
mov eax, edx
shr eax, 0x1f
add eax, edx
lea ecx, [eax + eax*4]
add ecx, ecx
add ecx, ecx
mov edx, edi
sub edx, ecx
xor ecx, ecx
test edx, edx
setg cl
add ecx, eax
add dword [0x101b4120], ecx
test ebx, ebx
jne 0x4f56eb
mov edx, dword [0x101b4130]
push edx
call fcn.004ad6fe
add esp, 4
mov dword [esp + 0x1c], 0
test edi, edi
jle 0x4f5816
mov dword [esp + 0x10], edi
jmp 0x4f5705
mov edi, dword [esp + 0x10]
cmp edi, 0x14
jle 0x4f570f
mov edi, 0x14
push 0
call fcn.004a75ee
push eax
push ebp
call fcn.004b7fae
add esp, 0xc
test eax, eax
je 0x4f58ad
push 0x14
lea eax, [esp + 0x30]
push eax
push ebp
call fcn.004b815e
add esp, 0xc
test eax, eax
je 0x4f58ad
lea ebx, [edi + esi - 0x3ff]
test ebx, ebx
jle 0x4f5770
mov ecx, edi
sub ecx, ebx
push ecx
lea edx, [esi + 0x101b3d00]
push edx
push ebp
call fcn.004b815e
add esp, 0xc
test eax, eax
je 0x4f58ad
push ebx
push 0x101b3d00
jmp 0x4f5778
push edi
lea eax, [esi + 0x101b3d00]
push eax
push ebp
call fcn.004b815e
add esp, 0xc
test eax, eax
je 0x4f58ad
mov ecx, dword [esp + 0x14]
push edi
push ecx
push ebp
call fcn.004b815e
add esp, 0xc
test eax, eax
je 0x4f58ad
push 8
lea edx, [esp + 0x28]
push edx
push ebp
call fcn.004b815e
add esp, 0xc
test eax, eax
je 0x4f58ad
push 0
lea eax, [esp + 0x30]
push eax
push ebp
call fcn.004b816e
add esp, 0xc
test eax, eax
je 0x4f58ad
inc dword [esp + 0x28]
add dword [esp + 0x14], edi
xor eax, eax
test edi, edi
jle 0x4f57f8
mov cl, byte [esp + eax + 0x2c]
xor byte [esi + 0x101b3d00], cl
inc esi
cmp esi, 0x3ff
jl 0x4f57f3
xor esi, esi
inc eax
cmp eax, edi
jl 0x4f57de
mov eax, dword [esp + 0x1c]
sub dword [esp + 0x10], 0x14
add eax, 0x14
mov dword [esp + 0x1c], eax
cmp eax, dword [esp + 0x4c]
jl 0x4f5701
mov ebx, dword [esp + 0x18]
test ebx, ebx
jne 0x4f5829
mov edx, dword [0x101b4130]
push edx
call fcn.004ad6de
add esp, 4
xor eax, eax
lea ecx, [ecx]
movzx ecx, byte [esp + eax + 0x2c]
xor byte [eax + 0x101b3cec], cl
movzx edx, byte [esp + eax + 0x2d]
movzx ecx, byte [esp + eax + 0x2e]
xor byte [eax + 0x101b3ced], dl
xor byte [eax + 0x101b3cee], cl
movzx edx, byte [esp + eax + 0x2f]
movzx ecx, byte [esp + eax + 0x30]
xor byte [eax + 0x101b3cef], dl
xor byte [eax + 0x101b3cf0], cl
add eax, 5
cmp eax, 0x14
jl 0x4f582e
fld qword [0x10162360]
fld qword [0x101b4128]
fcom st(1)
fnstsw ax
fstp st(1)
test ah, 5
jp 0x4f5890
fadd qword [esp + 0x50]
fstp qword [0x101b4128]
jmp 0x4f5892
fstp st(0)
test ebx, ebx
jne 0x4f58a5
mov edx, dword [0x101b4130]
push edx
call fcn.004ad6fe
add esp, 4
mov dword [esp + 0x20], 1
pop ebx
push ebp
call fcn.004b7f8e
mov ecx, dword [esp + 0x40]
mov eax, dword [esp + 0x20]
add esp, 4
pop ebp
pop edi
pop esi
xor ecx, esp
call fcn.00551072
add esp, 0x34
ret