bugtraq - Re: Re: [tool] the new p0f 2.0.1 is now out

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Message-ID: <200309042143.05816.a.gietl@e-admin.de>
Date: Thu, 4 Sep 2003 21:43:05 +0200
From: Andreas Gietl <a.gietl@...dmin.de>
To: "thetic" <thetic_1900@...mail.com>,
   "Michal Zalewski" <lcamtuf@...ttot.org>, <honeypots@...urityfocus.com>,
   <pen-test@...urityfocus.com>, <focus-ids@...urityfocus.com>,
   <sectools@...urityfocus.com>
Cc: <incidents@...urityfocus.com>, <bugtraq@...urityfocus.com>,
   <full-disclosure@...sys.com>
Subject: Re: Re: [tool] the new p0f 2.0.1 is now out


On Thursday 04 September 2003 20:19, thetic wrote:

it i a passive scan-tool! you can't detect the scans because there are no 
packets going to you network. 

> Question concerning the the POF, how can we setup a IDS to detect a POF
> scan.
>
> umer
>
>
> ----- Original Message -----
> From: "Michal Zalewski" <lcamtuf@...ttot.org>
> To: <honeypots@...urityfocus.com>; <pen-test@...urityfocus.com>;
> <focus-ids@...urityfocus.com>; <sectools@...urityfocus.com>
> Cc: <incidents@...urityfocus.com>; <bugtraq@...urityfocus.com>;
> <full-disclosure@...sys.com>
> Sent: Wednesday, September 03, 2003 12:21 PM
> Subject: [tool] the new p0f 2.0.1 is now out
>
> > I am proud to announce the new stable version of p0f, 2.0.1, a complete
> > rewrite of the original open-source tool released back in 2000, and a
> > major step for the utility.
> >
> > I apologize for posting to all the forums, and leave it to the moderators
> > to accept or drop this post - but I believe the tool is probably of some
> > interest to the IDS / honeypot / pen-test / general ITSec audiences, and
> > more appropriate forums are largely defunct.
> >
> > ------------
> > What is p0f?
> > ------------
> >
> >    P0f v2 is a versatile passive OS fingerprinting tool. P0f can identify
> >    the system on machines that connect to your box, machines you connect
> >    to, and even machines that merely go thru or near your box. All this
> >    even if the device is behind a fascist packet firewall.
> >
> >    P0f will also detect what the remote system is hooked up to (be it
> >    Ethernet, DSL, OC3, or avian carriers), how far it is located, what's
> >    its uptime, and will often detect NAT, firewall presence, and even
> >    the name of the other guy's ISP - all this without sending a single
> >    packet.
> >
> > What do you need it for?
> > ------------------------
> >
> >    P0f is quite useful for gathering all kinds of profiling information
> >    about your users, customers or attackers (IDS, honeypot, firewall),
> >    tech espionage (laugh...), active or passive policy enforcement
> >    (restricting access for certain systems or otherwise handling them
> >    differently), content optimization, pen-testing, thru-firewall
> >    fingerprinting... plus all the tasks active fingerprinting is suitable
> >    for. And, of course, it has a high coolness factor, even if you are
> >    not a sysadmin.
> >
> > -----------
> > What's new?
> > -----------
> >
> >   Almost everything. Please upgrade and encourage your vendor to
> >   update his packages. P0f v2 is far superior to the old code
> >   and its clones (such as the Ettercap passive OS fingerprinting
> >   functionality, based on the p0f v1 concepts). It is faster,
> >   more secure, reliable, precise, accurate, feature-loaded
> >   (including easy service integration). It also introduces many
> >   new metrics, some of them "invented" for p0f v2.
> >
> >   NEW CORE CHECKS:
> >
> >     - Option layout and count check,
> >     - EOL presence and trailing data [*],
> >     - Unrecognized options handling (TTCP, etc),
> >     - WSS to MSS/MTU correlation checks [*],
> >     - Zero timestamp check,
> >     - Non-zero ACK in initial SYN [*],
> >     - Non-zero "unused" TCP fields [*],
> >     - Non-zero urgent pointer in SYN [*],
> >     - Non-zero second timestamp [*],
> >     - Zero IP ID in initial packet,
> >     - Unusual auxilinary flags,
> >     - Data payload in control packets [*],
> >     - Non-empty IP options.
> >
> >     [*] Metrics "invented" for p0f, as far as I know. Other metrics
> >     were discussed before, although usually not implemented anywhere.
> >
> >   IMPROVEMENTS:
> >
> >     - Major performance improvements - no more runtime signature parsing,
> >       added BPF pre-filtering, signature hash lookups - to make p0f
>
> suitable
>
> >       for high-throughput devices,
> >
> >     - Modulo and wildcard operators for certain TCP/IP parameters to make
> >       it easier to come up with generic last chance signatures for
> >       systems that tweak settings notoriously (think Windows),
> >
> >     - Auto-detection of DF-zeroing firewalls,
> >
> >     - Auto-detection of MSS-tweaking NAT and router devices,
> >
> >     - Media type detection based on MSS, with a database of common
> >       link types,
> >
> >     - Origin network detection based on unusual ToS / precedence bits,
> >
> >     - Ability to detect and skip ECN option when examining flags,
> >
> >     - Better fingerprint file structure and contents - all fingerprints
> >       are rigorously reviewed before being added.
> >
> >     - Generic last-chance signatures to cover general OS characteristics,
> >
> >     - Query mode to enable easy integration with third party software -
> >       p0f caches recent fingerprints and answer queries for src-dst
> >       combinations on a local stream socket in a easy to parse
> >       form,
> >
> >     - Usability features: greppable output option, daemon mode, host
> >       name resolution option, promiscuous mode switch, built-in signature
> >       collision detector, ToS reporting, etc,
> >
> >     - "Officially unsupported" SYN+ACK fingerprinting mode for silent
> >       identifications of systems you connect to the usual way (web
> >       browser, MTA),
> >
> >     - Fixed WSCALE handling in general, and WSS passing on little-endian,
> >       many other bug-fixes and improvements of the packet parser
> >       (including some sanity checks).
> >
> > --------------------
> > Download, demo, etc.
> > --------------------
> >
> >   P0f home page is:
> >   http://lcamtuf.coredump.cx/p0f.shtml
> >
> >   Download:
> >   http://lcamtuf.coredump.cx/p0f.tgz
> >
> >   Contribute / see it in action:
> >   http://lcamtuf.coredump.cx/p0f-help/
> >
> >   P0f is believed to run fine on Windows, Linux, FreeBSD, NetBSD,
> >   OpenBSD, MacOS X, Solaris and AIX.
> >
> >   Please consider contributing to the project if you liked it.
>
> _______________________________________________
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-- 
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Andreas Gietl                                            tel +49 941 3810884
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