Nmap Development mailing list archives

Re: nmap crash


From: Henri Doreau <henri.doreau () gmail com>
Date: Sat, 21 Feb 2015 22:23:53 +0100

2015-02-20 17:45 GMT+01:00 Daniel Miller <bonsaiviking () gmail com>:
Mike,

I just reproduced the problem: it was caused by pressing Ctrl+C while a
script is sleeping. I reproduced it with a super-simple prerule script which
just sleeps for 10 seconds. Now we just need to come up with a proper fix.

I do want to caution you that 'http*' includes a few scripts that you
probably don't want to run for just information gathering:

dos (denial of service) category: http-slowloris. This is probably the
script that crashed, since it calls sleep a lot. This will run for 30
minutes by default, and will conflict with other scripts since it tries to
prevent the target from responding to anyone (even NSE!).

brute category: http-brute, http-form-brute, http-iis-short-name-brute,
http-joomla-brute, http-proxy-brute, and http-wordpress-brute. If there are
any authorization forms or 401 codes, some these scripts will try to
brute-force logins. http-iis-short-name-brute will try to brute-force names
of files on the target, too.

external category: http-google-malware, http-icloud-findmyiphone,
http-icloud-sendmsg, http-open-proxy, http-proxy-brute,
http-robtex-reverse-ip, http-robtex-shared-ns, http-virustotal, and
http-xssed. These will all request information about your target from
external sources, or attempt to contact external servers through your
target.

Dan

Hi,

This was on windows, right? Dan, could you reproduce on Linux as well?
If so can you share the details because simply interrupting a sleeping
script does not crash here. Also, canceling NSE timers seems to work
properly (sleeping script + short --host-timeout value).

Henri
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