Function at 0x4d6570
Capabilities:
Connect socket
Get hostname
Receive data
Receive data on socket
Send data
Send data on socket

Disassembly:
sub esp, 0x224
mov al, byte [0x5427dc]
push ebx
push ebp
push esi
push edi
mov byte [esp + 0x68], al
mov ecx, 0x18
xor eax, eax
lea edi, [esp + 0x69]
mov ebp, 1
rep stosd dword es:[edi], eax
stosw word es:[edi], ax
stosb byte es:[edi], al
mov eax, dword [esp + 0x240]
test eax, eax
jne 0x4d65b1
pop edi
pop esi
pop ebp
or eax, 0xffffffff
pop ebx
add esp, 0x224
ret
mov byte [eax], 0
call fcn.004d8da0
cmp eax, 1
jne 0x4d65c0
xor ebp, ebp
mov ebx, dword [esp + 0x23c]
mov ecx, 0x19
xor eax, eax
lea edi, [esp + 0xcc]
rep stosd dword es:[edi], eax
lea edi, [ebx + 2]
or ecx, 0xffffffff
repne scasb al, byte es:[edi]
not ecx
sub edi, ecx
lea edx, [esp + 0xcc]
mov eax, ecx
mov esi, edi
mov edi, edx
push 0x56a3e0
shr ecx, 2
rep movsd dword es:[edi], dword [esi]
mov ecx, eax
and ecx, 3
rep movsb byte es:[edi], byte [esi]
lea ecx, [esp + 0xd0]
push ecx
call fcn.00503600
add esp, 8
test eax, eax
jne 0x4d663d
cmp ebp, 1
jne 0x4d663d
mov edx, dword [esp + 0x240]
mov eax, dword [esp + 0x238]
push edx
push eax
call fcn.004dbf50
add esp, 8
pop edi
pop esi
pop ebp
pop ebx
add esp, 0x224
ret
lea ecx, [esp + 0xcc]
push 0x56a3e0
push ecx
call fcn.00503600
add esp, 8
test eax, eax
jne 0x4d66a6
test ebp, ebp
jne 0x4d66a6
mov edi, 2
push 0x64
cmp word [ebx + 0x74], di
jne 0x4d6676
lea edx, [esp + 0x6c]
push edx
call fcn.004d9620
add esp, 8
jmp 0x4d66d3
lea eax, [esp + 0x6c]
push eax
call sub.wsock32.dll_gethostname
cmp eax, 0xffffffff
jne 0x4d66d3
mov ecx, dword [0x56b360]
mov edx, dword [0x56b364]
mov ax, word [0x56b368]
mov dword [esp + 0x68], ecx
mov dword [esp + 0x6c], edx
mov word [esp + 0x70], ax
jmp 0x4d66d3
lea edi, [esp + 0xcc]
or ecx, 0xffffffff
xor eax, eax
lea edx, [esp + 0x68]
repne scasb al, byte es:[edi]
not ecx
sub edi, ecx
mov eax, ecx
mov esi, edi
mov edi, edx
shr ecx, 2
rep movsd dword es:[edi], dword [esi]
mov ecx, eax
and ecx, 3
rep movsb byte es:[edi], byte [esi]
mov edi, 2
call fcn.004d93f0
xor ecx, ecx
mov cx, word [ebx + 0x74]
dec ecx
cmp ecx, 7
ja case.0x4d66e4.3
jmp dword [ecx*4 + 0x4d6d44]
mov ecx, dword [esp + 0x240]
mov edx, dword [esp + 0x238]
push ecx
push ebx
push edx
call fcn.004d6e40
add esp, 0xc
pop edi
pop esi
pop ebp
pop ebx
add esp, 0x224
ret
and eax, 1
cmp al, 1
jne 0x4d6726
mov dword [esp + 0x10], 1
jmp 0x4d6754
and eax, edi
cmp al, 2
je 0x4d6750
pop edi
pop esi
pop ebp
mov eax, 0x4c
pop ebx
add esp, 0x224
ret
mov ecx, eax
and ecx, 1
cmp cl, 1
jne 0x4d674a
mov dword [esp + 0x10], 1
jmp 0x4d6754
and eax, edi
cmp al, 2
jne 0x4d6726
mov dword [esp + 0x10], edi
lea edx, [esp + 0x68]
push edx
call fcn.004d9450
add esp, 4
test eax, eax
jne 0x4d6770
test byte [esp + 0x10], 2
je 0x4d6770
mov dword [esp + 0x10], edi
push ebx
call fcn.004d5720
add esp, 4
cmp eax, 0xffffffff
jne 0x4d67b9
cmp dword [esp + 0x10], edi
jne 0x4d678e
push 0x3e8
push edi
push 6
jmp 0x4d6792
push 0x11
push edi
push edi
call fcn.004d5490
add esp, 0xc
cmp eax, 0xffffffff
jne 0x4d67af
pop edi
pop esi
pop ebp
mov eax, 0x3f
pop ebx
add esp, 0x224
ret
push eax
push ebx
call fcn.004d5740
add esp, 8
mov eax, dword [esp + 0x10]
push 0
cmp eax, edi
jne 0x4d67d4
lea eax, [esp + 0x30]
lea ecx, [esp + 0x6c]
push eax
push ecx
call fcn.004d9560
jmp 0x4d67e3
lea edx, [esp + 0x30]
lea eax, [esp + 0x6c]
push edx
push eax
call fcn.004d91b0
add esp, 0xc
test eax, eax
je 0x4d67fa
pop edi
pop esi
pop ebp
mov eax, 0x3d
pop ebx
add esp, 0x224
ret
mov eax, dword [0x56b44c]
test eax, eax
je 0x4d681b
call fcn.004d6d70
push eax
call fcn.004d4980
add esp, 4
mov dword [0x56b44c], 0
call fcn.004d8d10
mov dword [0x5743bc], eax
call fcn.004d6d70
cmp dword [eax], 0
je 0x4d6891
mov esi, dword [sym.imp.kernel32.dll_GetVersion]
call esi
cmp eax, 0x80000000
jb 0x4d6891
call esi
cmp eax, 0x80000000
jb 0x4d684d
call esi
cmp al, 4
jb 0x4d6891
cmp dword [esp + 0x10], edi
jne 0x4d6891
push ebx
call fcn.004d5720
add esp, 4
push eax
call sub.wsock32.dll_closesocket
push 0x3e8
push edi
push 6
call fcn.004d5490
add esp, 0xc
cmp eax, 0xffffffff
jne 0x4d6887
pop edi
pop esi
pop ebp
mov eax, 0x3f
pop ebx
add esp, 0x224
ret
push eax
push ebx
call fcn.004d5740
add esp, 8
lea ecx, [esp + 0x2c]
push ecx
call fcn.004d6d70
mov edx, dword [eax]
push edx
call fcn.004d6d80
mov ebp, eax
add esp, 8
test ebp, ebp
jne 0x4d69a1
push 0x58
call fcn.004fa109
mov ebp, eax
add esp, 4
test ebp, ebp
jne 0x4d68d0
pop edi
pop esi
pop ebp
mov eax, 0x40
pop ebx
add esp, 0x224
ret
cmp dword [esp + 0x10], edi
jne 0x4d691e
lea esi, [ebp + 8]
xor eax, eax
mov ecx, esi
mov dword [ecx], eax
mov dword [ecx + 4], eax
mov dword [ecx + 8], eax
mov dword [ecx + 0xc], eax
mov word [esi], 6
call fcn.004d5790
push eax
call fcn.004d55c0
lea edx, [esp + 0x30]
push esi
push edx
mov word [esi + 0xc], ax
call fcn.004d94e0
add esp, 0xc
test eax, eax
jne 0x4d6967
pop edi
pop esi
pop ebp
mov eax, 0x3d
pop ebx
add esp, 0x224
ret
lea eax, [ebp + 8]
xor ecx, ecx
mov edx, eax
mov dword [edx], ecx
mov dword [edx + 4], ecx
mov dword [edx + 8], ecx
mov dword [edx + 0xc], ecx
mov word [eax], di
call fcn.004d5790
push eax
call fcn.004d55c0
mov word [ebp + 0xa], ax
lea eax, [esp + 0x30]
push eax
call fcn.004d5440
add esp, 8
cmp eax, 0xffffffff
mov dword [ebp + 0xc], eax
jne 0x4d6967
pop edi
pop esi
pop ebp
mov eax, 0x3d
pop ebx
add esp, 0x224
ret
lea edi, [esp + 0x2c]
or ecx, 0xffffffff
xor eax, eax
lea edx, [ebp + 0x18]
repne scasb al, byte es:[edi]
not ecx
sub edi, ecx
push ebp
mov eax, ecx
mov esi, edi
mov edi, edx
shr ecx, 2
rep movsd dword es:[edi], dword [esi]
mov ecx, eax
and ecx, 3
rep movsb byte es:[edi], byte [esi]
mov dword [ebp], 1
call fcn.004d6d70
push eax
call fcn.004d4990
add esp, 8
mov esi, dword [esp + 0x238]
mov dword [0x5743b0], 0x6e
mov ecx, dword [ebp]
mov edi, esi
and ecx, 0x1fff
xor eax, eax
mov dword [0x5743b4], ecx
or ecx, 0xffffffff
mov dword [0x5743b8], 0
repne scasb al, byte es:[edi]
not ecx
mov edx, ecx
mov edi, 0x5743c0
shr ecx, 2
rep movsd dword es:[edi], dword [esi]
mov ecx, edx
and ecx, 3
rep movsb byte es:[edi], byte [esi]
mov ecx, 0x68
mov edi, 0x574550
rep stosd dword es:[edi], eax
lea eax, [esp + 0x4c]
push eax
call fcn.004d6550
mov ecx, 0x68
xor eax, eax
mov edi, 0x5746f0
mov dword [esp + 0x1c], 0
rep stosd dword es:[edi], eax
mov ecx, dword [0x5743b0]
mov dword [esp + 0x18], 1
push ecx
call fcn.004d55f0
mov edx, dword [0x5743b4]
mov dword [0x5746f0], eax
push edx
call fcn.004d55f0
mov dword [0x5746f4], eax
mov eax, dword [0x5743b8]
push eax
call fcn.004d55f0
mov ecx, dword [0x5743bc]
mov dword [0x5746f8], eax
push ecx
call fcn.004d55f0
mov dword [0x5746fc], eax
mov edi, 0x5743c0
or ecx, 0xffffffff
xor eax, eax
add esp, 0x14
repne scasb al, byte es:[edi]
not ecx
sub edi, ecx
lea eax, [esp + 0x4c]
mov edx, ecx
mov esi, edi
mov edi, 0x574700
shr ecx, 2
rep movsd dword es:[edi], dword [esi]
mov ecx, edx
and ecx, 3
rep movsb byte es:[edi], byte [esi]
mov dword [esp + 0x1c], eax
cmp dword [esp + 0x18], 3
jge 0x4d6cf9
mov eax, dword [esp + 0x10]
mov esi, 2
cmp eax, esi
jne 0x4d6aed
lea ecx, [ebp + 8]
push 0x10
push ecx
push ebx
call fcn.004d5720
add esp, 4
push eax
call sub.wsock32.dll_connect
mov eax, dword [esp + 0x14]
test eax, eax
je 0x4d6b24
push 0
push 0x1a0
push 0x5746f0
push ebx
call fcn.004d5720
add esp, 4
push eax
call sub.wsock32.dll_send
cmp eax, 0x1a0
jne 0x4d6cc4
jmp 0x4d6b24
mov eax, dword [esp + 0x14]
test eax, eax
je 0x4d6b24
lea edx, [ebp + 8]
push 0x10
push edx
push 0
push 0x1a0
push 0x5746f0
push ebx
call fcn.004d5720
add esp, 4
push eax
call fcn.004d5540
add esp, 0x18
cmp eax, 0x1a0
jne 0x4d6cc9
xor edi, edi
push ebx
mov dword [esp + 0x18], edi
mov dword [esp + 0x134], edi
call fcn.004d5720
mov ecx, dword [esp + 0x134]
mov edx, dword [esp + 0x20]
add esp, 4
mov dword [esp + 0x28], edi
mov dword [esp + ecx*4 + 0x134], eax
mov ecx, dword [esp + 0x130]
mov eax, dword [edx]
inc ecx
mov dword [esp + 0x130], ecx
lea ecx, [esp + 0x24]
push ecx
push edi
lea edx, [esp + 0x138]
push edi
push edx
push ebx
mov dword [esp + 0x38], eax
call fcn.004d5720
add esp, 4
inc eax
push eax
call fcn.004d54c0
add esp, 0x14
cmp eax, 0xffffffff
je 0x4d6ce9
cmp eax, edi
je 0x4d6ca7
mov ecx, 0x68
xor eax, eax
mov edi, 0x5746f0
mov dword [esp + 0x20], 0x10
rep stosd dword es:[edi], eax
cmp dword [esp + 0x10], esi
jne 0x4d6bdc
push 0
push 0x1a0
push 0x5746f0
push ebx
call fcn.004d5720
add esp, 4
push eax
call sub.wsock32.dll_recv
cmp eax, 0x1a0
jne 0x4d6cd9
jmp 0x4d6c0d
lea eax, [esp + 0x20]
lea ecx, [esp + 0x58]
push eax
push ecx
push 0
push 0x1a0
push 0x5746f0
push ebx
call fcn.004d5720
add esp, 4
push eax
call fcn.004d5580
add esp, 0x18
cmp eax, 0xffffffff
je 0x4d6cd9
mov edx, dword [0x5746f0]
push edx
call fcn.004d55f0
mov dword [0x574550], eax
mov eax, dword [0x5746f4]
push eax
call fcn.004d55f0
mov ecx, dword [0x5746f8]
mov dword [0x574554], eax
push ecx
call fcn.004d55f0
mov edx, dword [0x5746fc]
mov dword [0x574558], eax
push edx
call fcn.004d55f0
mov dword [0x57455c], eax
mov edi, 0x574700
or ecx, 0xffffffff
xor eax, eax
add esp, 0x10
repne scasb al, byte es:[edi]
not ecx
sub edi, ecx
mov eax, ecx
mov esi, edi
mov edi, 0x574560
shr ecx, 2
rep movsd dword es:[edi], dword [esi]
mov ecx, eax
mov eax, dword [esp + 0x10]
and ecx, 3
cmp eax, 1
rep movsb byte es:[edi], byte [esi]
jne 0x4d6c93
mov eax, dword [ebp + 0xc]
lea edx, [ebp + 0xc]
lea ecx, [esp + 0x5c]
cmp eax, dword [ecx]
jne 0x4d6a90
mov ecx, dword [0x574554]
mov eax, dword [0x5743b4]
cmp ecx, eax
je 0x4d6d09
jmp 0x4d6a90
mov ecx, dword [esp + 0x18]
mov eax, dword [esp + 0x1c]
inc ecx
mov dword [esp + 0x14], 1
mov dword [esp + 0x18], ecx
add eax, 4
jmp 0x4d6a8c
call sub.wsock32.dll_WSAGetLastError
pop edi
pop esi
pop ebp
mov eax, 0x3e
pop ebx
add esp, 0x224
ret
pop edi
pop esi
pop ebp
mov eax, 0x6c
pop ebx
add esp, 0x224
ret
pop edi
pop esi
pop ebp
mov eax, 0x6d
pop ebx
add esp, 0x224
ret
pop edi
pop esi
pop ebp
mov eax, 0x3c
pop ebx
add esp, 0x224
ret
mov ecx, dword [ebp]
mov edi, 0x574560
inc ecx
xor eax, eax
mov dword [ebp], ecx
or ecx, 0xffffffff
repne scasb al, byte es:[edi]
not ecx
sub edi, ecx
mov edx, ecx
mov esi, edi
mov edi, dword [esp + 0x240]
shr ecx, 2
rep movsd dword es:[edi], dword [esi]
mov ecx, edx
and ecx, 3
rep movsb byte es:[edi], byte [esi]
pop edi
pop esi
pop ebp
pop ebx
add esp, 0x224
ret