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From: dan at lockedbox.net (Daniel Bartlett)
Subject: Re: [tool] the new p0f 2.0.1 is now out

Ummm "P0f v2 is a versatile passive OS fingerprinting tool" Note the
word passive? ie. it watches packets rather than actively sends them.

Or did i get that completely wrong.

Daniel.

On 9/4/2003, "thetic" <thetic_1900@...mail.com> wrote:

>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.
>>
>>
>
>_______________________________________________
>Full-Disclosure - We believe in it.
>Charter: http://lists.netsys.com/full-disclosure-charter.html


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