Function at 0x4f8590
Capabilities:
Encode data using xor

Disassembly:
push ebp
mov ebp, esp
push ebx
push edi
push esi
and esp, 0xfffffff0
sub esp, 0x1f0
mov eax, dword [0x742040]
xor eax, ebp
mov dword [esp + 0x1e8], eax
cmp dword [ebp + 0xc], 0
je 0x4f89f6
call fcn.004f1690
mov edi, eax
pxor xmm0, xmm0
movdqa xmmword [esp + 0x1a0], xmm0
movdqa xmmword [esp + 0x190], xmm0
lea eax, [esp + 0x60]
push 0x130
push 0xff
push eax
call fcn.00544260
add esp, 0xc
push 1
call fcn.0050f360
add esp, 4
test eax, eax
je 0x4f8aa6
mov esi, eax
add eax, 0x120
mov dword [esp + 0x14], eax
cmp dword [esi + 0x120], 0xfff
ja 0x4f8be0
mov eax, 0xc0ffee
xor eax, dword [esi + 0x118]
or eax, dword [esi + 0x11c]
jne 0x4f8be0
cmp dword [esi + 0x128], edi
jne 0x4f8be0
mov ecx, dword [esi + 0x110]
mov eax, dword [esi + 0x114]
mov edx, dword [ebp + 8]
mov dword [esp + 0x24], edx
lea edx, [esi + 0xfc]
mov dword [esp + 0x10], edx
mov ebx, 0x20
mov dword [esp + 0x28], 0
mov edi, dword [ebp + 0xc]
cmp edi, 0x10000
mov edx, 0x10000
cmovb edx, edi
mov dword [esp + 0x20], edx
neg ecx
mov ecx, 0x10000
sbb ecx, eax
jb 0x4f8c5d
test byte [esp + 0x28], 1
mov dword [esp + 0x1c], edi
jne 0x4f87bc
pcmpeqd xmm0, xmm0
movdqa xmmword [esp + 0x1d0], xmm0
movdqa xmmword [esp + 0x1c0], xmm0
movdqa xmmword [esp + 0x1b0], xmm0
mov ecx, dword [esi + 0xf4]
mov eax, dword [esi + 0x108]
bswap eax
inc eax
bswap eax
mov dword [esi + 0x108], eax
call dword [0x73c768]
push esi
lea eax, [esp + 0x1b4]
push eax
mov edi, dword [esp + 0x18]
push edi
call ecx
add esp, 0xc
mov ecx, dword [esi + 0xf4]
mov eax, dword [esi + 0x108]
bswap eax
inc eax
bswap eax
mov dword [esi + 0x108], eax
call dword [0x73c768]
push esi
lea eax, [esp + 0x1c4]
push eax
push edi
call ecx
add esp, 0xc
mov ecx, dword [esi + 0xf4]
mov eax, dword [esi + 0x108]
bswap eax
inc eax
bswap eax
mov dword [esi + 0x108], eax
call dword [0x73c768]
push esi
lea eax, [esp + 0x1d4]
push eax
push edi
call ecx
add esp, 0xc
xor eax, eax
nop word cs:[eax + eax]
movzx ecx, byte [esp + eax + 0x190]
xor byte [esp + eax + 0x1b0], cl
inc eax
cmp ebx, eax
jne 0x4f8750
push 1
call fcn.00501410
add esp, 4
test eax, 0x2000000
je 0x4f8cc2
push esi
push 0x100
lea eax, [esp + 0x1b8]
push eax
call fcn.004034c0
add esp, 0xc
mov eax, 0x401cd0
mov ecx, 0x401140
mov edi, dword [esp + 0x1c]
mov dword [esi + 0xf4], ecx
mov dword [esi + 0xf8], eax
lea eax, [esp + 0x1d0]
movdqu xmm0, xmmword [eax]
mov eax, dword [esp + 0x10]
movdqu xmmword [eax], xmm0
mov eax, dword [esp + 0x20]
mov edx, dword [esp + 0x24]
cmp edi, 0x10
jb 0x4f8871
mov edx, dword [esp + 0x24]
mov eax, dword [esp + 0x20]
cmp eax, 0x2000
mov edi, 0x2000
cmovb edi, eax
mov ecx, edi
and ecx, 0x3ff0
cmp dword [esi + 0xf8], 0
mov dword [esp + 0x18], eax
mov dword [esp + 8], ecx
mov dword [esp + 0xc], edx
je 0x4f8c62
cmp ecx, 0x10
jne 0x4f8a74
pxor xmm0, xmm0
movdqu xmmword [edx], xmm0
shr edi, 4
mov ecx, dword [esi + 0xf8]
mov eax, dword [esi + 0x108]
bswap eax
inc eax
bswap eax
mov dword [esi + 0x108], eax
call dword [0x73c768]
push dword [esp + 0x10]
push esi
push edi
mov eax, dword [esp + 0x18]
push eax
push eax
call ecx
add esp, 0x14
mov eax, dword [esi + 0x108]
bswap eax
add eax, edi
dec eax
bswap eax
mov dword [esi + 0x108], eax
mov ecx, dword [esp + 8]
mov edx, dword [esp + 0xc]
add edx, ecx
mov eax, dword [esp + 0x18]
sub eax, ecx
cmp eax, 0xf
ja 0x4f87d5
mov dword [esp + 0xc], edx
mov ecx, dword [esi + 0xf4]
mov edx, eax
mov dword [esp + 8], esi
mov eax, dword [esi + 0x108]
mov dword [esp + 0x18], edx
test edx, edx
jne 0x4f8a11
mov esi, dword [esp + 8]
pcmpeqd xmm0, xmm0
movdqa xmmword [esp + 0x1d0], xmm0
movdqa xmmword [esp + 0x1c0], xmm0
movdqa xmmword [esp + 0x1b0], xmm0
bswap eax
inc eax
bswap eax
mov dword [esi + 0x108], eax
call dword [0x73c768]
push esi
lea eax, [esp + 0x1b4]
push eax
mov edi, dword [esp + 0x18]
push edi
call ecx
add esp, 0xc
mov ecx, dword [esi + 0xf4]
mov eax, dword [esi + 0x108]
bswap eax
inc eax
bswap eax
mov dword [esi + 0x108], eax
call dword [0x73c768]
push esi
lea eax, [esp + 0x1c4]
push eax
push edi
call ecx
add esp, 0xc
mov ecx, dword [esi + 0xf4]
mov eax, dword [esi + 0x108]
bswap eax
inc eax
bswap eax
mov dword [esi + 0x108], eax
call dword [0x73c768]
push esi
lea eax, [esp + 0x1d4]
push eax
push edi
call ecx
add esp, 0xc
test byte [esp + 0x28], 1
jne 0x4f8954
xor eax, eax
nop dword [eax + eax]
movzx ecx, byte [esp + eax + 0x190]
xor byte [esp + eax + 0x1b0], cl
inc eax
cmp ebx, eax
ret
jne 0x4f8940
push 1
call fcn.00501410
add esp, 4
test eax, 0x2000000
je 0x4f8d13
push esi
push 0x100
lea eax, [esp + 0x1b8]
push eax
call fcn.004034c0
add esp, 0xc
mov eax, 0x401cd0
mov ecx, 0x401140
mov dword [esi + 0xf4], ecx
mov dword [esi + 0xf8], eax
lea eax, [esp + 0x1d0]
movdqu xmm0, xmmword [eax]
mov eax, dword [esp + 0x10]
movdqu xmmword [eax], xmm0
mov ecx, dword [esi + 0x110]
mov eax, dword [esi + 0x114]
add ecx, 1
adc eax, 0
mov dword [esi + 0x110], ecx
mov dword [esi + 0x114], eax
mov edx, dword [esp + 0x14]
inc dword [edx]
mov edi, dword [esp + 0x20]
add dword [esp + 0x24], edi
xor ebx, ebx
mov dl, 1
mov dword [esp + 0x28], edx
mov edx, dword [esp + 0x1c]
sub edx, edi
mov edi, edx
jne 0x4f8668
lea eax, [esp + 0x60]
cmp esi, eax
je 0x4f8caf
mov ecx, dword [esp + 0x1e8]
xor ecx, ebp
call fcn.005412b6
mov eax, 1
lea esp, [ebp - 0xc]
pop esi
pop edi
pop ebx
pop ebp
ret
pcmpeqd xmm0, xmm0
movdqa xmmword [esp + 0x1b0], xmm0
bswap eax
inc eax
bswap eax
mov esi, dword [esp + 8]
mov dword [esi + 0x108], eax
call dword [0x73c768]
push esi
lea eax, [esp + 0x1b4]
push eax
push dword [esp + 0x18]
call ecx
add esp, 0xc
mov eax, dword [esp + 0x18]
cmp eax, 8
jne 0x4f8bc6
movq xmm0, qword [esp + 0x1b0]
mov eax, dword [esp + 0xc]
movq qword [eax], xmm0
mov ecx, dword [esi + 0xf4]
mov eax, dword [esi + 0x108]
jmp 0x4f8897
cmp ecx, 0x20
jne 0x4f8a87
pxor xmm0, xmm0
movdqu xmmword [edx + 0x10], xmm0
jmp 0x4f8810
test ecx, ecx
je 0x4f8814
push dword [esp + 8]
push 0
push dword [esp + 0x14]
call fcn.00544260
add esp, 0xc
jmp 0x4f8814
push 0x130
call fcn.004f7420
add esp, 4
test eax, eax
je 0x4f8c54
mov esi, eax
push 0x49ca40
push eax
push 1
call fcn.004b1a00
add esp, 0xc
test eax, eax
je 0x4f8c54
mov dword [esi + 0x124], 0
pcmpeqd xmm0, xmm0
lea ebx, [esp + 0x30]
movdqa xmmword [ebx + 0x20], xmm0
movdqa xmmword [ebx + 0x10], xmm0
movdqa xmmword [ebx], xmm0
push 0x30
push ebx
call fcn.004b1f40
add esp, 8
movaps xmm0, xmmword [ebx + 0x20]
movaps xmmword [esp + 0x1d0], xmm0
movaps xmm0, xmmword [ebx]
movaps xmm1, xmmword [ebx + 0x10]
movaps xmmword [esp + 0x1c0], xmm1
movaps xmmword [esp + 0x1b0], xmm0
xor eax, eax
mov cl, byte [eax + 0x6d3337]
xor byte [esp + eax + 0x1b0], cl
inc eax
cmp eax, 0x30
jne 0x4f8b25
push 1
call fcn.00501410
add esp, 4
bt eax, 0x19
jae 0x4f8d68
lea eax, [esp + 0x1b0]
push esi
push 0x100
push eax
call fcn.004034c0
add esp, 0xc
mov eax, 0x401cd0
mov ecx, 0x401140
mov dword [esi + 0xf4], ecx
mov dword [esi + 0xf8], eax
movdqa xmm0, xmmword [esp + 0x1d0]
movdqu xmmword [esi + 0xfc], xmm0
xor eax, eax
mov dword [esi + 0x114], eax
mov dword [esi + 0x110], 1
lea ecx, [esi + 0x120]
mov dword [esp + 0x14], ecx
mov dword [esi + 0x120], eax
mov dword [esi + 0x11c], eax
mov dword [esi + 0x118], 0xc0ffee
mov dword [esi + 0x128], edi
jmp 0x4f862f
push eax
lea eax, [esp + 0x1b4]
push eax
push dword [esp + 0x14]
call fcn.00543ce0
add esp, 0xc
jmp 0x4f8a63
pcmpeqd xmm0, xmm0
lea eax, [esp + 0x1b0]
movdqa xmmword [eax + 0x20], xmm0
movdqa xmmword [eax + 0x10], xmm0
movdqa xmmword [eax], xmm0
mov ebx, 0x30
push ebx
push eax
call fcn.004b1f40
add esp, 8
mov ecx, esi
lea edx, [esp + 0x1b0]
push ebx
call fcn.0049c8d0
add esp, 4
test eax, eax
je 0x4f8c5d
xor eax, eax
mov dword [esi + 0x114], eax
mov dword [esi + 0x110], 1
mov ecx, dword [esp + 0x14]
mov dword [ecx], eax
mov dword [esi + 0x11c], eax
mov dword [esi + 0x118], 0xc0ffee
mov dword [esi + 0x128], edi
xor ecx, ecx
inc ecx
jmp 0x4f8647
lea esi, [esp + 0x60]
jmp 0x4f8ad5
call fcn.0055487f
test ecx, ecx
je 0x4f8858
xor edi, edi
mov ecx, dword [esi + 0xf4]
mov eax, dword [esi + 0x108]
bswap eax
inc eax
bswap eax
mov dword [esi + 0x108], eax
mov eax, dword [esp + 0xc]
add eax, edi
mov dword [esp + 0x2c], eax
call dword [0x73c768]
push esi
push dword [esp + 0x30]
push dword [esp + 0x18]
call ecx
add esp, 0xc
add edi, 0x10
cmp edi, dword [esp + 8]
jb 0x4f8c6c
jmp 0x4f8858
push 0x118
push esi
call fcn.004f74c0
add esp, 8
jmp 0x4f89f6
mov edi, dword [esp + 0x1c]
bt eax, 9
jae 0x4f8cee
push esi
push 0x100
lea eax, [esp + 0x1b8]
push eax
call fcn.00403fe0
add esp, 0xc
xor eax, eax
mov ecx, 0x404090
jmp 0x4f879d
push esi
push 0x100
lea eax, [esp + 0x1b8]
push eax
call fcn.005c04c0
add esp, 0xc
mov eax, 0x5c0c50
mov ecx, 0x5c03d0
jmp 0x4f879d
bt eax, 9
jae 0x4f8d3f
mov esi, dword [esp + 8]
push esi
push 0x100
lea eax, [esp + 0x1b8]
push eax
call fcn.00403fe0
add esp, 0xc
xor eax, eax
mov ecx, 0x404090
jmp 0x4f8989
mov esi, dword [esp + 8]
push esi
push 0x100
lea eax, [esp + 0x1b8]
push eax
call fcn.005c04c0
add esp, 0xc
mov eax, 0x5c0c50
mov ecx, 0x5c03d0
jmp 0x4f8989
bt eax, 9
jae 0x4f8d90
lea eax, [esp + 0x1b0]
push esi
push 0x100
push eax
call fcn.00403fe0
add esp, 0xc
xor eax, eax
mov ecx, 0x404090
jmp 0x4f8b6c
lea eax, [esp + 0x1b0]
push esi
push 0x100
push eax
call fcn.005c04c0
add esp, 0xc
mov eax, 0x5c0c50
mov ecx, 0x5c03d0
jmp 0x4f8b6c