Function at 0x51b490
Capabilities:
Encode data using xor

Disassembly:
mov eax, 0xd8
call fcn.00421690
mov eax, dword [0x5fb090]
xor eax, esp
mov dword [esp + 0xd4], eax
mov eax, dword [esp + 0xdc]
push ebx
mov ebx, dword [esp + 0xf0]
push ebp
mov dword [esp + 0x4c], eax
xor ebp, ebp
mov eax, dword [esp + 0xfc]
push esi
mov esi, dword [esp + 0xf4]
mov dword [esp + 0x5c], eax
mov eax, dword [esp + 0x104]
push edi
mov edi, dword [esp + 0xf4]
mov dword [esp + 0x58], eax
mov eax, dword [esp + 0x10c]
shr edi, 3
mov dword [esp + 0x5c], eax
mov eax, dword [esp + 0x110]
mov dword [esp + 0x3c], esi
mov dword [esp + 0x30], ebx
mov dword [esp + 0x1c], eax
mov dword [esp + 0x48], 0
mov dword [esp + 0x2c], 0
mov dword [esp + 0x44], 2
cmp edi, 0x14
je 0x51b52c
cmp edi, 0x1c
je 0x51b52c
cmp edi, 0x20
jne 0x51b57d
test esi, esi
jne 0x51b53b
call fcn.004b6d50
mov esi, eax
mov dword [esp + 0x3c], eax
mov eax, 0x200
cmp dword [esp + 0xf0], eax
cmovae eax, dword [esp + 0xf0]
add eax, 0x3f
and eax, 0xffffffc0
mov dword [esp + 0x34], eax
test ebx, ebx
je 0x51b599
mov eax, dword [esp + 0x100]
cmp eax, edi
jae 0x51b584
push 0x4e
push 0x5d03b8
push 0x6e
push 0x7d
push 0xa
call fcn.004bd630
add esp, 0x14
xor eax, eax
jmp 0x51bbc6
cmova eax, edi
push eax
lea eax, [esp + 0xa8]
push ebx
push eax
call fcn.00438910
add esp, 0xc
call fcn.004c77a0
mov dword [esp + 0x28], eax
test eax, eax
je 0x51bbb0
call fcn.004d3a30
mov ebp, eax
mov dword [esp + 0x18], ebp
test ebp, ebp
je 0x51bbb0
push ebp
call fcn.004d3aa0
push ebp
call fcn.004d39d0
mov ebx, dword [esp + 0x20]
mov ebp, eax
push ebx
call fcn.004d39d0
push ebx
mov dword [esp + 0x34], eax
call fcn.004d39d0
push ebx
mov dword [esp + 0x4c], eax
call fcn.004d39d0
push ebx
mov dword [esp + 0x38], eax
call fcn.004d39d0
push ebx
mov dword [esp + 0x6c], eax
call fcn.004d39d0
push ebx
mov dword [esp + 0x6c], eax
call fcn.004d39d0
push ebx
mov dword [esp + 0x38], eax
call fcn.004d39d0
mov ebx, eax
add esp, 0x24
mov dword [esp + 0x10], ebx
test ebx, ebx
je 0x51bba3
mov eax, dword [esp + 0x34]
dec eax
push eax
call fcn.004b3a50
push eax
push ebx
call fcn.004f27f0
add esp, 0xc
test eax, eax
je 0x51bba3
nop
push dword [esp + 0x2c]
xor ebx, ebx
cmp dword [esp + 0x34], ebx
push 0
push dword [esp + 0x24]
sete bl
call fcn.00525f50
inc dword [esp + 0x38]
add esp, 0xc
test eax, eax
je 0x51bba3
cmp dword [esp + 0x30], 0
jne 0x51b689
lea eax, [esp + 0xa4]
push edi
push eax
call fcn.004bb5f0
add esp, 8
test eax, eax
jle 0x51bba3
jmp 0x51b691
mov dword [esp + 0x30], 0
push edi
lea eax, [esp + 0xa8]
push eax
lea eax, [esp + 0x8c]
push eax
call fcn.00438910
push edi
lea eax, [esp + 0xb4]
push eax
lea eax, [esp + 0xd8]
push eax
call fcn.00438910
lea eax, [edi - 1]
add esp, 0x18
test eax, eax
js 0x51b6df
nop word [eax + eax]
add byte [esp + eax + 0x84], 1
jne 0x51b6df
sub eax, 1
jns 0x51b6d0
push 0
push esi
push 0
lea eax, [esp + 0x70]
push eax
lea eax, [esp + 0xb4]
push edi
push eax
call fcn.004b6500
add esp, 0x18
test eax, eax
je 0x51bba3
push 0
push esi
push 0
lea eax, [esp + 0xd0]
push eax
lea eax, [esp + 0x94]
push edi
push eax
call fcn.004b6500
add esp, 0x18
test eax, eax
je 0x51bba3
xor ecx, ecx
test edi, edi
je 0x51b783
cmp edi, 0x20
jb 0x51b783
mov eax, edi
and eax, 0x8000001f
jns 0x51b741
dec eax
or eax, 0xffffffe0
inc eax
mov edx, edi
sub edx, eax
nop word [eax + eax]
movups xmm0, xmmword [esp + ecx + 0x64]
movups xmm1, xmmword [esp + ecx + 0xc4]
pxor xmm1, xmm0
movups xmmword [esp + ecx + 0x64], xmm1
movups xmm0, xmmword [esp + ecx + 0x74]
movups xmm1, xmmword [esp + ecx + 0xd4]
pxor xmm1, xmm0
movups xmmword [esp + ecx + 0x74], xmm1
add ecx, 0x20
cmp ecx, edx
jl 0x51b750
cmp ecx, edi
jge 0x51b7a0
nop word [eax + eax]
mov al, byte [esp + ecx + 0xc4]
xor byte [esp + ecx + 0x64], al
inc ecx
cmp ecx, edi
jl 0x51b790
push dword [esp + 0x20]
or byte [esp + 0x68], 0x80
lea eax, [esp + 0x68]
or byte [esp + edi + 0x67], 1
push edi
push eax
call fcn.004b2e80
add esp, 0xc
test eax, eax
je 0x51bba3
push dword [esp + 0x1c]
push ebx
push dword [esp + 0x20]
push 0x32
push dword [esp + 0x30]
call fcn.00526250
add esp, 0x14
test eax, eax
jg 0x51b7ea
je 0x51b640
jmp 0x51bba3
mov ebx, dword [esp + 0x1c]
push 0
push 2
push ebx
call fcn.00525f50
add esp, 0xc
test eax, eax
je 0x51bba3
push 0
push 3
push ebx
call fcn.00525f50
add esp, 0xc
test eax, eax
je 0x51bba3
mov ecx, dword [esp + 0x34]
mov eax, 0xcccccccd
xor esi, esi
mov dword [esp + 0x40], esi
lea ecx, [ecx - 1]
mul ecx
mov ebx, edx
shr ebx, 7
test esi, esi
je 0x51b84c
push esi
push 0
push dword [esp + 0x24]
call fcn.00525f50
add esp, 0xc
test eax, eax
je 0x51bba3
push 0
push dword [esp + 0x3c]
call fcn.004b39a0
add esp, 8
xor esi, esi
test ebx, ebx
js 0x51b8f9
lea eax, [edi - 1]
test eax, eax
js 0x51b87f
nop dword [eax + eax]
add byte [esp + eax + 0x84], 1
jne 0x51b87f
sub eax, 1
jns 0x51b870
push 0
push dword [esp + 0x40]
lea eax, [esp + 0x6c]
push 0
push eax
lea eax, [esp + 0x94]
push edi
push eax
call fcn.004b6500
add esp, 0x18
test eax, eax
je 0x51bba3
push ebp
lea eax, [esp + 0x68]
push edi
push eax
call fcn.004b2e80
add esp, 0xc
test eax, eax
je 0x51bba3
lea eax, [edi*8]
imul eax, esi
push eax
push ebp
push ebp
call fcn.004f27f0
add esp, 0xc
test eax, eax
je 0x51bba3
mov eax, dword [esp + 0x38]
push ebp
push eax
push eax
call fcn.004d3d00
add esp, 0xc
test eax, eax
je 0x51bba3
inc esi
cmp esi, ebx
jle 0x51b864
mov eax, dword [esp + 0x34]
mov esi, dword [esp + 0x38]
dec eax
push eax
push esi
call fcn.004b36c0
add esp, 8
test eax, eax
je 0x51bba3
push esi
mov esi, dword [esp + 0x54]
push esi
call fcn.004b33e0
add esp, 8
test eax, eax
je 0x51bba3
push dword [esp + 0x10]
push esi
push esi
call fcn.004d3d00
add esp, 0xc
test eax, eax
je 0x51bba3
push dword [esp + 0x20]
push ebp
call fcn.004f2920
add esp, 8
test eax, eax
je 0x51bba3
push dword [esp + 0x18]
push ebp
push esi
push dword [esp + 0x58]
push 0
call fcn.004f9250
add esp, 0x14
test eax, eax
je 0x51bba3
call fcn.004b3a50
push eax
push dword [esp + 0x50]
push ebp
call fcn.004d3d90
add esp, 0xc
test eax, eax
je 0x51bba3
push ebp
push esi
mov esi, dword [esp + 0x1c]
push esi
call fcn.004d3d90
add esp, 0xc
test eax, eax
je 0x51bba3
push dword [esp + 0x10]
push esi
call fcn.004b3090
add esp, 8
test eax, eax
js 0x51b9d7
mov esi, dword [esp + 0x1c]
push esi
push 1
push dword [esp + 0x20]
push 0x32
push dword [esp + 0x24]
call fcn.00526250
add esp, 0x14
test eax, eax
jg 0x51b9f5
jne 0x51bba3
mov esi, dword [esp + 0x40]
inc esi
mov dword [esp + 0x40], esi
cmp esi, 0x1000
jl 0x51b831
mov esi, dword [esp + 0x3c]
jmp 0x51b640
push 1
push 2
push esi
call fcn.00525f50
add esp, 0xc
test eax, eax
je 0x51bba3
call fcn.004b3a50
push eax
push dword [esp + 0x18]
push dword [esp + 0x18]
call fcn.004d3d90
add esp, 0xc
test eax, eax
je 0x51bba3
mov ebx, dword [esp + 0x18]
push ebx
push dword [esp + 0x24]
push dword [esp + 0x18]
push 0
push ebp
call fcn.004f9250
add esp, 0x14
test eax, eax
je 0x51bba3
push 2
push dword [esp + 0x14]
call fcn.004b39a0
add esp, 8
test eax, eax
je 0x51bba3
push ebx
push dword [esp + 0x18]
push dword [esp + 0x30]
call fcn.004c7800
add esp, 0xc
test eax, eax
je 0x51bba3
push dword [esp + 0x28]
push ebx
push dword [esp + 0x1c]
push ebp
push dword [esp + 0x20]
push dword [esp + 0x38]
call fcn.00505ec0
add esp, 0x18
test eax, eax
je 0x51bba3
nop dword [eax]
push dword [esp + 0x24]
call fcn.004b3660
add esp, 4
test eax, eax
je 0x51baf3
call fcn.004b3a50
push eax
mov eax, dword [esp + 0x14]
push eax
push eax
call fcn.004d3d00
add esp, 0xc
test eax, eax
je 0x51bba3
push dword [esp + 0x28]
inc dword [esp + 0x48]
push ebx
push dword [esp + 0x1c]
push ebp
push dword [esp + 0x20]
push dword [esp + 0x38]
call fcn.00505ec0
add esp, 0x18
test eax, eax
jne 0x51baa0
jmp 0x51bba3
push 1
push 3
push esi
call fcn.00525f50
add esp, 0xc
test eax, eax
je 0x51bba3
mov dword [esp + 0x48], 1
mov ebx, dword [esp + 0x54]
push dword [ebx + 8]
call fcn.004b3550
push dword [ebx + 0xc]
call fcn.004b3550
push dword [ebx + 0x10]
call fcn.004b3550
push dword [esp + 0x20]
call fcn.004b34c0
push dword [esp + 0x30]
mov dword [ebx + 8], eax
call fcn.004b34c0
push dword [esp + 0x38]
mov dword [ebx + 0xc], eax
call fcn.004b34c0
add esp, 0x18
mov dword [ebx + 0x10], eax
cmp dword [ebx + 8], 0
je 0x51bb9b
cmp dword [ebx + 0xc], 0
je 0x51bb9b
test eax, eax
je 0x51bb9b
mov ecx, dword [esp + 0x58]
test ecx, ecx
je 0x51bb71
mov eax, dword [esp + 0x40]
mov dword [ecx], eax
mov ecx, dword [esp + 0x5c]
test ecx, ecx
je 0x51bb7f
mov eax, dword [esp + 0x44]
mov dword [ecx], eax
mov eax, dword [esp + 0x60]
test eax, eax
je 0x51bba3
push edi
lea ecx, [esp + 0xa8]
push ecx
push eax
call fcn.00438910
add esp, 0xc
jmp 0x51bba3
mov dword [esp + 0x48], 0
mov ebp, dword [esp + 0x18]
push ebp
call fcn.004d3950
add esp, 4
push ebp
call fcn.004d3990
push dword [esp + 0x2c]
call fcn.004c7750
mov eax, dword [esp + 0x50]
add esp, 8
mov ecx, dword [esp + 0xe4]
pop edi
pop esi
pop ebp
pop ebx
xor ecx, esp
call fcn.00420879
add esp, 0xd8
ret