Function at 0x51a8d0
Capabilities:
Encode data using xor

Disassembly:
push ebp
mov ebp, esp
push 0xffffffffffffffff
push 0x624685
mov eax, dword fs:[0]
push eax
sub esp, 0x28
mov eax, dword [0x659af8]
xor eax, ebp
mov dword [ebp - 0x10], eax
push esi
push edi
push eax
lea eax, [ebp - 0xc]
mov dword fs:[0], eax
mov edi, dword [ebp + 8]
xorps xmm0, xmm0
mov esi, dword [ebp + 0xc]
mov dword [ebp - 0x14], edi
movups xmmword [ebp - 0x28], xmm0
push 0x10
mov byte [ebp - 0x28], 0
call fcn.006084b7
mov ecx, eax
add esp, 4
mov dword [ebp - 0x24], ecx
mov dword [ebp - 0x2c], ecx
lea eax, [ecx + 0x10]
mov dword [ebp - 0x1c], eax
mov dword [ecx + 8], 0
mov dword [ecx + 0xc], 0
mov dword [ebp - 0x34], eax
mov dword [ebp - 0x20], eax
mov eax, dword [ebp + 0x10]
mov dword [ecx], eax
mov eax, dword [ebp + 0x14]
mov dword [ecx + 4], eax
mov eax, dword [esi]
mov dword [ecx + 8], eax
mov eax, dword [esi + 4]
mov dword [ecx + 0xc], eax
lea eax, [esi + 0xc]
push eax
lea ecx, [ebp - 0x18]
mov dword [ebp - 4], 0
call fcn.00509130
mov esi, dword [ebp - 0x2c]
lea ecx, [ebp - 0x18]
push 0x10
push esi
call fcn.0051af70
mov byte [edi], 0
push 0x20
mov dword [edi + 4], 0
mov dword [edi + 8], 0
mov dword [edi + 0xc], 0
call fcn.006084b7
mov dword [edi + 4], eax
xorps xmm0, xmm0
add eax, 0x20
add esp, 4
mov dword [edi + 0xc], eax
mov eax, dword [edi + 4]
movups xmmword [eax], xmm0
movups xmmword [eax + 0x10], xmm0
add eax, 0x20
mov dword [edi + 8], eax
lea eax, [ebp - 0x28]
mov byte [ebp - 4], 1
mov dword [edi + 0x10], 0
cmp edi, eax
je 0x51aa53
mov ecx, dword [edi + 4]
mov edx, dword [edi + 0xc]
sub edx, ecx
mov dword [ebp - 0x30], ecx
cmp edx, 0x10
jae 0x51aa39
mov esi, edx
mov eax, closesocket
shr esi, 1
sub eax, esi
cmp edx, eax
jbe 0x51a9eb
mov esi, closesocket
jmp 0x51a9f7
add esi, edx
mov eax, 0x10
cmp esi, eax
cmovb esi, eax
test ecx, ecx
je 0x51aa31
mov eax, edx
test edx, edx
je 0x51aa0c
mov byte [ecx], 0
lea ecx, [ecx + 1]
sub eax, 1
jne 0x51aa01
push edx
push dword [ebp - 0x30]
call fcn.006084e7
mov dword [edi + 4], 0
add esp, 8
mov dword [edi + 8], 0
mov byte [ebp - 4], 1
mov dword [edi + 0xc], 0
push esi
mov ecx, edi
call fcn.004dbe40
mov esi, dword [edi + 4]
push 0x10
push dword [ebp - 0x2c]
push esi
call fcn.0060a150
lea eax, [esi + 0x10]
add esp, 0xc
mov esi, dword [ebp - 0x2c]
mov dword [edi + 8], eax
push 0xffffffffffffffff
call fcn.0051abb0
mov ecx, eax
call fcn.0051ac90
mov dword [edi + 0x10], eax
mov ecx, dword [edi + 4]
mov edx, dword [edi + 8]
sub edx, ecx
mov dword [ebp - 0x30], ecx
mov ecx, eax
not ecx
add ecx, ecx
xor ecx, eax
xor eax, eax
mov dword [ebp - 0x14], ecx
test edx, edx
je 0x51aa97
mov esi, dword [ebp - 0x30]
mov ecx, eax
and ecx, 3
mov cl, byte [ebp + ecx - 0x14]
xor byte [eax + esi], cl
inc eax
cmp eax, edx
jb 0x51aa83
mov esi, dword [ebp - 0x2c]
mov edx, dword [ebp - 0x34]
mov ecx, esi
sub edx, esi
mov eax, edx
je 0x51aaad
mov byte [ecx], 0
lea ecx, [ecx + 1]
sub eax, 1
jne 0x51aaa2
mov dword [ebp - 4], 3
cmp edx, 0x1000
jb 0x51aace
mov ecx, dword [esi - 4]
add edx, 0x23
sub esi, ecx
lea eax, [esi - 4]
cmp eax, 0x1f
ja 0x51aaf5
mov esi, ecx
push edx
push esi
call fcn.006084e7
add esp, 8
mov eax, edi
mov ecx, dword [ebp - 0xc]
mov dword fs:[0], ecx
pop ecx
pop edi
pop esi
mov ecx, dword [ebp - 0x10]
xor ecx, ebp
call fcn.00608a00
mov esp, ebp
pop ebp
ret
call fcn.00540ccc
int3