Nmap Announce mailing list archives

Re: Nmap and xlogmaster


From: ajax <ajax () mobis com>
Date: Thu, 28 Jan 1999 19:49:10 -0600 (EST)

Hi, in regard to your question about an append option to the -o option,
it seems easy enough.  The solution lies around ~198 of nmap.c:
  case 'o':
    if (o.logfd != NULL) fatal("Only one log filename allowed");
    o.logfd = fopen(optarg, "w");
    if (!o.logfd)
      fatal("Failed to open output file %s for writing", optarg);
    break;


You want to replace the second parameter to fopen with a "a" instead of a
"w".

later,

 ajax () mobis com                    | The skill of accurate perception  
 Unix Network Admin                | is called cynicism by those who 
 Mobile Internet Services, Inc.    | don't possess it. 

On Thu, 28 Jan 1999, Erik Parker wrote:

On a machine of ours, I tested using xlogmaster and nmap.. This could have
been done several ways, but since we run xlogmaster, this is how I did it.

We run tcplog on the machine, and when a connection attempt occurs it
shows:

Jan 28 15:39:33 auth4 tcplog[68]: ssh connection attempt from localhost
(127.0.0.1):1059

So.. Using xlogmaster, anytime it see's "ssh connection attempt" it
executes /root/program

/root/program contains:

tail /var/log/messages | grep -i "ssh connection attempt from" |awk
'{print $10}'|xargs nmap -O >> /root/nmaplog

That way it logs all the open ports, and tries to guess their OS.

Two things... Is there a way to get it to show the actual fingerprint that
it comes back with, in addition to its guess? ANd using the -o option, for
output to logfile, is there, or plans for an append option to that. I
don't want to lose the logs everytime it tries, so for now I'll use >>




Erik Parker
netmask () 303 org

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