Function at 0x4d0a20
Capabilities:
Encode data using xor

Disassembly:
mov eax, 0x3c
call fcn.00479f00
push edi
push dword [esp + 0x50]
mov dword [esp + 0x3c], 0
call fcn.004ac840
mov edi, dword [esp + 0x54]
push edi
call fcn.004ac760
add esp, 8
mov dword [esp + 0x28], eax
test eax, eax
je 0x4d0f1e
push edi
call fcn.004ac760
mov edx, eax
add esp, 4
mov dword [esp + 0x14], edx
test edx, edx
je 0x4d0f1e
push esi
push edi
call fcn.004ac760
mov esi, eax
add esp, 4
mov dword [esp + 0x38], esi
test esi, esi
je 0x4d0f1d
push edi
call fcn.004ac760
mov edi, eax
add esp, 4
mov dword [esp + 0x1c], edi
test edi, edi
je 0x4d0f1d
push ebx
mov ebx, dword [esp + 0x54]
push ebx
push dword [esp + 0x54]
push esi
call fcn.004d05c0
add esp, 0xc
test eax, eax
je 0x4d0f1c
cmp dword [esi + 4], 0
je 0x4d0f1c
push ebx
push edi
call fcn.0048b6b0
add esp, 8
test eax, eax
je 0x4d0f1c
push ebp
push esi
call fcn.0048b950
mov ebp, eax
push edi
mov dword [esp + 0x38], ebp
call fcn.0048b950
mov edi, dword [ebx + 4]
add esp, 8
mov dword [esp + 0x2c], eax
mov dword [esp + 0x18], edi
cmp edi, dword [esi + 8]
jg 0x4d0afc
mov eax, esi
jmp 0x4d0b06
push edi
push esi
call fcn.0048bd50
add esp, 8
test eax, eax
je 0x4d0f1b
mov edx, dword [esp + 0x40]
mov esi, dword [esi]
mov dword [esp + 0x28], esi
mov eax, dword [edx + 4]
cmp eax, edi
jge 0x4d0b30
mov ecx, dword [esp + 0x18]
lea edi, [esi + eax*4]
sub ecx, eax
xor eax, eax
rep stosd dword es:[edi], eax
mov edi, dword [esp + 0x18]
mov ebx, dword [esp + 0x34]
mov dword [edx + 4], edi
cmp edi, dword [ebx + 8]
jg 0x4d0b40
mov eax, ebx
jmp 0x4d0b4a
push edi
push ebx
call fcn.0048bd50
add esp, 8
test eax, eax
je 0x4d0f1b
mov edx, dword [ebx]
mov dword [esp + 0x1c], edx
mov dword [edx], 1
cmp edi, 1
jle 0x4d0b71
lea ecx, [edi - 1]
xor eax, eax
lea edi, [edx + 4]
rep stosd dword es:[edi], eax
mov edi, dword [esp + 0x18]
mov ecx, dword [esp + 0x20]
mov dword [ebx + 4], edi
cmp edi, dword [ecx + 8]
jg 0x4d0b81
mov eax, ecx
jmp 0x4d0b93
push edi
push ecx
call fcn.0048bd50
mov edx, dword [esp + 0x24]
add esp, 8
mov ecx, dword [esp + 0x20]
test eax, eax
je 0x4d0f1b
mov ebx, dword [ecx]
mov dword [esp + 0x14], ebx
test edi, edi
jle 0x4d0bb5
mov ecx, edi
xor eax, eax
mov edi, ebx
rep stosd dword es:[edi], eax
mov edi, dword [esp + 0x18]
mov ecx, dword [esp + 0x20]
mov eax, dword [esp + 0x24]
mov dword [ecx + 4], edi
mov ecx, dword [eax]
mov dword [esp + 0x10], ecx
test ebp, ebp
je 0x4d0c91
lea ebx, [ebx]
mov ebx, dword [esi]
test bl, 1
jne 0x4d0c89
mov ecx, dword [esp + 0x58]
dec edi
mov eax, dword [edx]
mov ebp, eax
and ebp, 1
neg ebp
mov ecx, dword [ecx]
mov ecx, dword [ecx]
and ecx, ebp
xor eax, ecx
xor ecx, ecx
mov dword [esp + 0x3c], ecx
test edi, edi
jle 0x4d0c6c
mov ecx, esi
mov dword [esp + 0x38], 0xfffffffc
sub ecx, edx
lea edi, [edx + 4]
sub dword [esp + 0x38], edx
mov dword [esp + 0x48], ecx
jmp 0x4d0c18
mov ecx, dword [esp + 0x48]
mov edx, dword [ecx + edi]
mov ecx, edx
shl ecx, 0x1f
shr ebx, 1
or ecx, ebx
shr eax, 1
mov ebx, dword [esp + 0x3c]
mov dword [esi + ebx*4], ecx
mov ebx, edx
mov ecx, dword [esp + 0x58]
mov edx, dword [esp + 0x38]
mov esi, dword [esp + 0x28]
add edx, edi
mov ecx, dword [ecx]
mov edx, dword [edx + ecx + 4]
and edx, ebp
xor edx, dword [edi]
mov ecx, edx
shl ecx, 0x1f
or ecx, eax
mov eax, edx
mov edx, dword [esp + 0x18]
mov dword [edi - 4], ecx
dec edx
mov ecx, dword [esp + 0x3c]
add edi, 4
inc ecx
mov dword [esp + 0x3c], ecx
cmp ecx, edx
jl 0x4d0c14
mov edx, dword [esp + 0x1c]
mov ebp, dword [esp + 0x30]
mov edi, dword [esp + 0x18]
shr ebx, 1
shr eax, 1
dec ebp
mov dword [esi + ecx*4], ebx
mov dword [edx + ecx*4], eax
mov dword [esp + 0x30], ebp
jne 0x4d0bd0
mov ebx, dword [esp + 0x14]
mov ecx, dword [esp + 0x10]
cmp ebp, 0x20
jg 0x4d0ca9
mov eax, dword [esi]
test eax, eax
je 0x4d0f1b
cmp eax, 1
je 0x4d0ecb
cmp ebp, dword [esp + 0x2c]
jge 0x4d0cfb
mov edx, dword [esp + 0x24]
mov eax, ebp
mov ebp, dword [esp + 0x2c]
mov esi, ecx
mov dword [esp + 0x2c], eax
mov eax, dword [esp + 0x40]
mov dword [esp + 0x24], eax
mov eax, dword [esp + 0x34]
mov ecx, dword [esp + 0x24]
mov dword [esp + 0x40], edx
mov edx, dword [esp + 0x20]
mov dword [esp + 0x34], edx
mov edx, ebx
mov ecx, dword [ecx]
mov dword [esp + 0x20], eax
mov eax, dword [eax]
mov dword [esp + 0x30], ebp
mov dword [esp + 0x28], esi
mov dword [esp + 0x10], ecx
mov dword [esp + 0x1c], edx
mov dword [esp + 0x14], eax
jmp 0x4d0cff
mov eax, dword [esp + 0x14]
xor ebx, ebx
test edi, edi
jle 0x4d0e70
cmp edi, 4
jb 0x4d0e1f
lea eax, [eax + edi*4]
add eax, 0xfffffffc
lea ecx, [edi - 1]
lea ecx, [edx + ecx*4]
cmp edx, eax
ja 0x4d0d2c
cmp ecx, dword [esp + 0x14]
jae 0x4d0e1f
lea eax, [edi - 1]
lea eax, [esi + eax*4]
lea ecx, [edi - 1]
lea ecx, [edx + ecx*4]
cmp edx, eax
ja 0x4d0d44
cmp ecx, esi
jae 0x4d0e1f
mov eax, dword [esp + 0x10]
lea ecx, [edi - 1]
lea ecx, [edx + ecx*4]
lea eax, [eax + edi*4]
add eax, 0xfffffffc
cmp edx, eax
ja 0x4d0d64
mov eax, dword [esp + 0x10]
cmp ecx, eax
jae 0x4d0e23
mov eax, dword [esp + 0x14]
lea ecx, [edi - 1]
lea ecx, [esi + ecx*4]
lea eax, [eax + edi*4]
add eax, 0xfffffffc
cmp esi, eax
ja 0x4d0d82
cmp ecx, dword [esp + 0x14]
jae 0x4d0e1f
mov eax, dword [esp + 0x10]
lea ecx, [edi - 1]
lea ecx, [esi + ecx*4]
lea eax, [eax + edi*4]
add eax, 0xfffffffc
cmp esi, eax
ja 0x4d0da2
mov eax, dword [esp + 0x10]
cmp ecx, eax
jae 0x4d0e23
mov eax, edi
and eax, reloc.WS2_32.dll_closesocket
jns 0x4d0db0
dec eax
or eax, 0xfffffffc
inc eax
mov edx, dword [esp + 0x10]
mov ecx, edi
mov edi, dword [esp + 0x1c]
sub edx, esi
mov dword [esp + 0x48], edx
sub ecx, eax
mov edx, dword [esp + 0x14]
mov eax, esi
sub edx, esi
sub edi, esi
mov dword [esp + 0x3c], edx
mov edx, dword [esp + 0x48]
mov dword [esp + 0x38], edi
mov edi, dword [esp + 0x3c]
mov esi, dword [esp + 0x38]
movdqu xmm0, xmmword [eax]
add ebx, 4
lea eax, [eax + 0x10]
movdqu xmm1, xmmword [edx + eax - 0x10]
pxor xmm1, xmm0
movdqu xmmword [eax - 0x10], xmm1
movdqu xmm1, xmmword [edi + eax - 0x10]
movdqu xmm0, xmmword [esi + eax - 0x10]
pxor xmm1, xmm0
movdqu xmmword [esi + eax - 0x10], xmm1
cmp ebx, ecx
jl 0x4d0de0
mov esi, dword [esp + 0x28]
mov edx, dword [esp + 0x1c]
mov edi, dword [esp + 0x18]
mov eax, dword [esp + 0x10]
cmp ebx, edi
jge 0x4d0e70
sub eax, esi
lea ecx, [esi + ebx*4]
mov dword [esp + 0x48], eax
sub edx, esi
mov eax, dword [esp + 0x14]
sub eax, esi
mov dword [esp + 0x38], edx
mov esi, dword [esp + 0x48]
sub edi, ebx
mov dword [esp + 0x3c], eax
mov ebx, eax
jmp 0x4d0e50
mov eax, dword [ecx + esi]
lea ecx, [ecx + 4]
xor dword [ecx - 4], eax
mov eax, dword [ecx + ebx - 4]
xor dword [ecx + edx - 4], eax
dec edi
jne 0x4d0e50
mov esi, dword [esp + 0x28]
mov edx, dword [esp + 0x1c]
mov edi, dword [esp + 0x18]
mov ebx, dword [esp + 0x14]
mov ecx, dword [esp + 0x10]
cmp ebp, dword [esp + 0x2c]
jne 0x4d0bc2
lea eax, [ebp - 1]
cdq
and edx, 0x1f
lea edi, [edx + eax]
sar edi, 5
mov eax, dword [esi + edi*4]
test eax, eax
jne 0x4d0ea3
test edi, edi
je 0x4d0ea3
mov eax, dword [esi + edi*4 - 4]
dec edi
test eax, eax
je 0x4d0e96
push eax
call fcn.0048b980
mov edx, dword [esp + 0x20]
add esp, 4
mov ebx, dword [esp + 0x14]
mov ecx, dword [esp + 0x10]
shl edi, 5
lea ebp, [edi + eax]
mov edi, dword [esp + 0x18]
mov dword [esp + 0x30], ebp
jmp 0x4d0bc2
mov ebx, dword [esp + 0x34]
mov ecx, dword [ebx + 4]
test ecx, ecx
jle 0x4d0ef1
mov eax, dword [ebx]
lea edx, [ecx - 1]
lea edx, [eax + edx*4]
mov edi, edi
mov eax, dword [edx]
lea edx, [edx - 4]
test eax, eax
jne 0x4d0eee
dec ecx
test ecx, ecx
jg 0x4d0ee0
mov dword [ebx + 4], ecx
cmp dword [ebx + 4], 0
jne 0x4d0efe
mov dword [ebx + 0xc], 0
push ebx
push dword [esp + 0x54]
call fcn.0048b6b0
xor ecx, ecx
add esp, 8
test eax, eax
mov edx, 1
cmovne ecx, edx
mov dword [esp + 0x44], ecx
pop ebp
pop ebx
pop esi
push dword [esp + 0x50]
call fcn.004ac6f0
mov eax, dword [esp + 0x3c]
add esp, 4
pop edi
add esp, 0x3c
ret