i know eveyone bitches about VB but i like it

sweet man i love it!!!
now the only thing missing is a post by coder with the perl version of this baby with an output file option for those darn nice command line prompts

I dislike VB because portability is a joke. Basically, programs written in VB are for Windows, and only Windows...


-Shaun.

hmm a fast port scanner is not always what you may want to use? doing that many handshakes in a small amount of time is very suspicious and would most likely raise concern by an Admin or ISP...

the fact that this was written in VB (and comes with no ActiveX controls) tells us that it's a TCP Connect Scanner (I'm guessing winsock...) another very LOAD scan type. Now of course this kind of probe can still be done quietly, but this requires a lot of timing and patience...

i haven't taken a look at the scanner yet (i'm on *nix) - i'm just stating some simple facts

GhostCow: i'll take a look at it, and see what options i have to port to perl

oh- btw; excuse the bad spelling (i'm really hung over )

thanks coder a perl script for a stealth auto port scanner with a direct output file would be very nice ...

i relize it may not be the most stealthy way to scan. i use nmap for that but i do security audits. i am not scared of getting in trouble because i have permission and i write tools with that in mind.

GhostCow: a stealth scanner would require raw_sockets and a packet capturing lib... i haven't seen any perl / pcap libs (although that would be sweet!)

Gr33n: You can easily add UDP capabilities to your winsock scanner... changing the protocol value between 0 and 1

i am working on a new one now that will have that option as well as several tabs with different functions

Hmm, if I remember correctly, UDP scanning is usually not as simple as simply changing the protocol to UDP. If a UDP port is listening, the remote host will NOT reply to your datagram, and if the port is closed, it will reply, with an ICMP_UNREACH packet.
A better way to write a UDP scanner is to open a datagram socket (UDP), send a UDP datagram, open an ICMP raw socket, and use select() to monitor the ICMP raw socket for an incoming ICMP_UNREACH packet.

Raw sockets are pretty simple in both C and Perl. Coder, Perl does have raw sockets, I've seen people write raw socket code in Perl before. To implement stealth scanning techniques (e.g syn scanning, fin scanning, xmas tree scanning etc...), just open a raw TCP socket, build the correct datagram, and send the datagram, whilst monitoring the socket for a response. You can then use an if() statement to evaluate the packet. You then report the open or closed status based on the evaluation of the packet. Put this routine in a while(i < end_port) loop.


-Shaun.

shaun2k2, i have never seen a Perl Net::Pcap for Windows (the current topic...) if so- please post resource!

http://www.bribes.org/perl/wnetpcap.html

I think this may help.


Thank you for your time.
Shaun.

thank you very much shaun2k2! that was very helpful... i appreciate it

yay!, now i have .pl to capture packets...

thanks coder and shaun2k2 i love you guys!!!!


edit: how exactly am i supposed to use it? i tried entering my ip (for example) as a parameter but nothing seems to happen except my firewall asking me if to allow access to that program.... what to do?

You're welcome.


-Shaun.

Fport is a nice quick smooth port scannner u can specify the ports /threads and an output result text.

thanx gonna try it

ok i'm going to try it too ty

this one is good: http://www.bluebitter.de/download/BluesPortScan.zip

thx for the scanner i need a little portscanner for my network

thnx for this port scanner...

this is also a very fast port scanner

http://www.dsns.net/news.html

max thread is something like 22000000

also u can scan like 80.0.0.0 80.254.254.254

i've try it and it seems to be interesting, nice

nice

nice scanner, but it is GUI, so no use for it when remote scanning.

wow dickybob that is a very fast scanner.
thx for it

The best port scanner i have yet come accross (i have used all of the ones discussed) is called netburn. It is mainly used for searching out telent ports but can also scan other ports too. It also does somthing that i have no explination for. Sometimes when scaning for port 23 it gains access to the system and displays the output in the program, I HAVE NO IDEA HOW IT DOES THIS! You can set its speed by changing the delay. Overall its the best! It can be found at www.tgs-security.com -which is currently down. I would attach it but i dont know how. GOOGLE IT!

The DNS scanner looks good, tnx allot!

nice

This looks interesting:

Just curious wicked, what kind of user privelages do u have once you access their kazza shared folder that way...read...write?...possible execute????

You prolly see where I'm going with that...

there are some great scanners here!
i would just rather stick to scan1000 or scan 500..

thx