Function at 0x431f9c
Capabilities:
Act as tcp client
Connect socket
Connect tcp socket
Create tcp socket
Initialize winsock library
Resolve dns
Set socket configuration

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x1f8
mov eax, dword [0x492840]
xor eax, ebp
mov dword [ebp - 4], eax
push ebx
mov ebx, dword [ebp + 8]
xor eax, eax
push esi
push edi
lea edi, [ebp - 0x64]
xor esi, esi
stosd dword es:[edi], eax
push 0x190
push esi
stosd dword es:[edi], eax
stosd dword es:[edi], eax
stosd dword es:[edi], eax
lea eax, [ebp - 0x1f4]
push eax
call fcn.0043dc10
push 0x50
lea eax, [ebp - 0x54]
push esi
push eax
call fcn.0043dc10
push ebx
call fcn.0042da83
add esp, 0x1c
test eax, eax
jne 0x43201a
push 0x10
lea eax, [ebp - 0x64]
push esi
push eax
call fcn.0043dc10
add esp, 0xc
lea eax, [ebp - 0x1f4]
push eax
push 0x101
call sub.WSOCK32.dll_WSAStartup
test eax, eax
je 0x43202c
push str.:7:TelNetConnect___FAILED:_WSAStartup___FAILED:_Winsock_could_not_be_initialized.
call fcn.0040906e
pop ecx
or eax, 0xffffffff
mov ecx, dword [ebp - 4]
pop edi
pop esi
xor ecx, ebp
pop ebx
call fcn.0043c5ec
leave
ret
mov edi, dword [ebp + 0xc]
test edi, edi
jle 0x43203d
cmp edi, 0x10000
jl 0x43207e
test edi, edi
je 0x43204e
push edi
push ebx
push str.:7:TelNetConnect___was_given_an_invalid_port:__s___d
call fcn.0040953d
add esp, 0xc
push 0x17
pop edi
push 0x474e84
push str.telnet
call sub.WSOCK32.dll_getservbyname
test eax, eax
jne 0x432071
push str.:5:GetDefaultTelNetPort___FAILED:_getservbyname__telnet____tcp___FAILED_to_obtain_the_telnet_service_port.
call fcn.0040953d
pop ecx
jmp 0x43207e
movzx eax, word [eax + 8]
push eax
call sub.WSOCK32.dll_ntohs
movzx edi, ax
push 0x50
lea eax, [ebp - 0x54]
push eax
push ebx
call fcn.0041f15d
add esp, 0xc
test eax, eax
jne 0x4320ed
push ebx
call sub.WSOCK32.dll_gethostbyname
mov esi, eax
test esi, esi
jne 0x4320b3
call sub.WSOCK32.dll_WSACleanup
push ebx
push str.:7:TelNetConnect___FAILED:_ResolveHostNameToIP__s__FAILED:_gethostbyname___also_failed.
call fcn.0040906e
pop ecx
jmp 0x432019
push ebx
push ebx
push str.:7:TelNetConnect___encountered_a_problem:__ResolveHostNameToIP__s__FAILED__but_gethostbyname__s__SUCCEEDED_
call fcn.0040953d
movzx eax, word [esi + 0xa]
add esp, 0xc
mov ecx, eax
push 4
pop edx
cmp ax, dx
jle 0x4320d6
mov word [esi + 0xa], dx
mov ecx, edx
movsx eax, cx
push eax
mov eax, dword [esi + 0xc]
push dword [eax]
lea eax, [ebp - 0x60]
push eax
call fcn.0043d690
add esp, 0xc
jmp 0x4320fa
lea eax, [ebp - 0x54]
push eax
call fcn.0041be33
pop ecx
mov dword [ebp - 0x60], eax
push 6
push 1
push 2
pop eax
push eax
call sub.WSOCK32.dll_socket
mov esi, eax
cmp esi, 0xffffffff
jne 0x43211d
call sub.WSOCK32.dll_WSACleanup
push str.:7:TelNetConnect___FAILED:_socket___returned_INVALID_SOCKET
jmp 0x432014
push edi
call sub.WSOCK32.dll_htons
push 2
mov word [ebp - 0x62], ax
pop eax
mov word [ebp - 0x64], ax
lea eax, [ebp - 0x64]
push 0x10
push eax
push esi
call sub.WSOCK32.dll_connect
test eax, eax
je 0x432193
push esi
call sub.WSOCK32.dll_closesocket
call sub.WSOCK32.dll_WSACleanup
push str.127.0.0.1
push ebx
call fcn.0042ecfe
pop ecx
pop ecx
test eax, eax
jne 0x43201a
push str.10.210.27.10
push ebx
call fcn.0042ecfe
mov eax, dword [0x591534]
inc eax
mov dword [0x591534], eax
pop ecx
pop ecx
cmp eax, 3
jg 0x43201a
push edi
push ebx
push str.:7:TelNetConnect___FAILED:_connect___FAILED_to_establish_the_connection:__s:_d
call fcn.0040906e
add esp, 0xc
jmp 0x43201a
push 1
lea eax, [ebp - 0x1f5]
mov byte [ebp - 0x1f5], 1
push eax
push 8
push 0xffff
push esi
call sub.WSOCK32.dll_setsockopt
cmp dword [ebp + 0x10], 0
je 0x43221f
push 0
mov ebx, 0xfb
push ebx
push 0xff
push esi
call fcn.00432ba9
push 1
lea edi, [ebx + 2]
push edi
push 0xff
push esi
call fcn.00432ba9
push 0
push edi
add edi, 2
push edi
push esi
call fcn.00432ba9
push 0x1f
push ebx
push edi
push esi
call fcn.00432ba9
add esp, 0x40
push 0x1f
push 0xfa
push edi
push esi
call fcn.00432ba9
push 0
push 0x50
push 0
push esi
call fcn.00432ba9
push 0xf0
push edi
push 0x19
push esi
call fcn.00432ba9
add esp, 0x30
mov eax, esi
jmp 0x43201d