Function at 0x56fd00
Capabilities:
Act as tcp client
Connect socket
Connect tcp socket
Connect udp socket
Create tcp socket
Create udp socket
Set socket configuration

Disassembly:
push ebp
mov ebp, esp
push 0xffffffffffffffff
push 0x661340
mov eax, dword fs:[0]
push eax
sub esp, 0x50
mov eax, dword [0x758898]
xor eax, ebp
mov dword [ebp - 0x14], eax
push ebx
push esi
push edi
push eax
lea eax, [ebp - 0xc]
mov dword fs:[0], eax
mov dword [ebp - 0x10], esp
mov esi, ecx
mov dword [ebp - 0x38], esi
xor ebx, ebx
mov dword [ebp - 4], ebx
lea edi, [esi + 0x3650]
push 0x3ff
push ebx
push edi
call fcn.00620920
add esp, 0xc
push str.recv___PASV
push edi
mov ecx, esi
call fcn.0056d4f0
cmp eax, ebx
jne 0x5700c0
push str.Reply_on_PASV:_n
mov ecx, esi
call fcn.00561d40
push edi
mov ecx, esi
call fcn.00561d40
cmp byte [edi], 0x32
je 0x56fe07
push 1
mov eax, dword [0x75eb30]
push eax
mov ecx, esi
call fcn.00562560
mov ecx, dword [esi + 0x3214]
cmp dword [ecx + 0x24c], ebx
je 0x56fdd5
mov ecx, esi
call fcn.0056f160
mov dword [esi + 0xa4], 0xe
mov ecx, dword [0x75eaa0]
push ecx
mov ecx, dword [esi + 0xb4]
call fcn.0056ae40
mov edx, dword [esi + 0x3214]
mov eax, 0x755a
mov dword [edx + 0x14c], eax
jmp 0x5700c0
cmp dword [esi + 0x3234], ebx
jne 0x56fdee
push 2
call fcn.00577630
mov dword [esi + 0x3234], 2
mov ecx, esi
call fcn.0056e450
cmp eax, ebx
jne 0x5700c0
mov eax, 0x753a
jmp 0x5700c0
cmp dword [esi + 0x3234], ebx
jne 0x56fe26
push 1
mov ecx, dword [esi + 0x3214]
call fcn.00577630
mov dword [esi + 0x3234], 1
push 1
mov eax, dword [0x75eb34]
push eax
mov ecx, esi
call fcn.00562560
lea edi, [esi + 0x3654]
mov dword [ebp - 0x54], edi
mov al, byte [edi]
test al, al
jne 0x56fe7c
push 1
mov ecx, dword [0x75ea7c]
push ecx
mov ecx, esi
call fcn.00562560
mov edx, dword [0x75ea7c]
push edx
mov ecx, dword [esi + 0xb4]
call fcn.0056ae40
mov ecx, dword [esi + 0x3214]
mov eax, 0x754f
mov dword [ecx + 0x14c], eax
jmp 0x5700c0
movsx edx, al
push edx
call fcn.0062221c
add esp, 4
test eax, eax
je 0x570090
lea eax, [ebp - 0x44]
push eax
lea ecx, [ebp - 0x40]
push ecx
lea edx, [ebp - 0x3c]
push edx
lea eax, [ebp - 0x48]
push eax
lea ecx, [ebp - 0x50]
push ecx
lea edx, [ebp - 0x5c]
push edx
push str._u__u__u__u__u__u
push edi
call fcn.00621c2e
add esp, 0x20
cmp eax, 6
jne 0x570090
push str.Extracting_address_OK_n
mov ecx, esi
call fcn.00561d40
mov byte [ebp - 4], 1
mov eax, dword [esi + 0x3208]
cmp eax, 0xffffffff
je 0x56feea
push eax
call sub.WS2_32.dll_closesocket
mov dword [esi + 0x3208], 0xffffffff
mov dword [ebp - 4], ebx
jmp 0x56feff
push 0
push 1
push 2
call sub.WS2_32.dll_socket
mov dword [esi + 0x3208], eax
cmp eax, 0xffffffff
jne 0x56ff6d
call sub.WS2_32.dll_WSAGetLastError
mov edi, eax
push edi
push str.Error_code___ld_n
lea eax, [ebp - 0x34]
push eax
call fcn.0062311b
add esp, 0xc
push 1
mov ecx, dword [0x75ea84]
push ecx
mov ecx, esi
call fcn.00562560
lea edx, [ebp - 0x34]
push edx
mov ecx, esi
call fcn.00561d40
mov eax, dword [0x75ea84]
push eax
mov ecx, dword [esi + 0xb4]
call fcn.0056ae40
mov ecx, dword [esi + 0x3214]
mov dword [ecx + 0x14c], edi
mov eax, edi
jmp 0x5700c0
mov dword [ebp - 0x58], 1
lea edx, [ebp - 0x58]
push edx
push 0x8004667e
push eax
call sub.WS2_32.dll_ioctlsocket
lea edi, [esi + 0x321c]
xor eax, eax
mov dword [edi], eax
mov dword [edi + 4], eax
mov dword [edi + 8], eax
mov dword [edi + 0xc], eax
mov eax, 2
mov word [edi], ax
movzx ecx, byte [ebp - 0x5c]
mov byte [esi + 0x3220], cl
movzx edx, byte [ebp - 0x50]
mov byte [esi + 0x3221], dl
movzx eax, byte [ebp - 0x48]
mov byte [esi + 0x3222], al
movzx ecx, byte [ebp - 0x3c]
mov byte [esi + 0x3223], cl
movzx edx, byte [ebp - 0x40]
mov byte [esi + 0x321e], dl
movzx eax, byte [ebp - 0x44]
mov byte [esi + 0x321f], al
push 1
mov ecx, dword [0x75eae8]
push ecx
mov ecx, esi
call fcn.00562560
mov eax, dword [esi + 0x19c]
test eax, eax
je 0x57004e
mov bl, byte [eax + 0x15c]
test bl, bl
je 0x570050
mov eax, dword [eax + 0x140]
push 1
lea edx, [ebp - 0x4c]
push edx
push eax
mov ecx, esi
call fcn.00562740
test eax, eax
jne 0x5700c0
mov eax, dword [ebp - 0x4c]
mov dword [ebp - 0x20], eax
mov ecx, 2
mov word [ebp - 0x24], cx
mov edx, dword [esi + 0x19c]
mov eax, dword [edx + 0x144]
push eax
call sub.WS2_32.dll_htons
mov word [ebp - 0x22], ax
push 0x10
lea eax, [ebp - 0x24]
push eax
mov ecx, dword [esi + 0x3208]
push ecx
jmp 0x57005a
xor bl, bl
push 0x10
push edi
mov edx, dword [esi + 0x3208]
push edx
call sub.WS2_32.dll_connect
mov ecx, esi
call fcn.00561a00
push eax
mov ecx, dword [esi + 0xc8]
call fcn.0056fad0
mov ecx, esi
call fcn.00561f60
movzx eax, bl
neg eax
sbb eax, eax
and eax, 0x19
add eax, 8
mov dword [esi + 0xa4], eax
xor eax, eax
jmp 0x5700c0
inc edi
jmp 0x56fe3b
mov ecx, dword [ebp - 0xc]
mov dword fs:[0], ecx
pop ecx
pop edi
pop esi
pop ebx
mov ecx, dword [ebp - 0x14]
xor ecx, ebp
call fcn.0062023e
mov esp, ebp
pop ebp
ret