Snort mailing list archives

Re: Snort-users digest, Vol 1 #785 - 13 msgs


From: "ORA" <LSMITH147 () nc rr com>
Date: Mon, 9 Jul 2001 00:23:06 -0400

kdb is the biggest bug of all.he loves to snort people that are not even
interested in his tech knowledge. what ever that is.he must be in love and
can't get over
it.AVKRIC;RIRIFD;DGIFJDLPRFKJGHDKFTOKHLFORDPPRLDLDDKGJFJFJFFHGGJFFJFFFFKFJ
----- Original Message -----
From: <snort-users-request () lists sourceforge net>
To: <snort-users () lists sourceforge net>
Sent: Sunday, July 08, 2001 3:05 PM
Subject: Snort-users digest, Vol 1 #785 - 13 msgs


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Today's Topics:

   1. RE: >2Gb capture files (Shriman Gurung)
   2. Re: Bug Roundup--Chroot Broken? (Erek Adams)
   3. OT:  Tool to Decode shellcode? (Erek Adams)
   4. react (Ramin Alidousti)
   5. Re: react (Martin Roesch)
   6. Re: react (Dragos Ruiu)
   7. Re: OT: Tool to Decode shellcode? (Dragos Ruiu)
   8. Re: react (Ramin Alidousti)
   9. Beta 10/Build 38 avaialable (Martin Roesch)
  10. Re: OT: Tool to Decode shellcode? (Erek Adams)
  11. Re: OT: Tool to Decode shellcode? (Fyodor)
  12. Re: OT: Tool to Decode shellcode? (Steve Shockley)
  13. Connection lost (Luca Mauri)

--__--__--

Message: 1
From: Shriman Gurung <sg () dataconnection com>
To: 'Martin Roesch' <roesch () sourcefire com>,
"Clausing, James A (Jim), SOBUS" <jac () att com>
Cc: "'snort-users () lists sourceforge net'"
<snort-users () lists sourceforge net>
Subject: RE: [Snort-users] >2Gb capture files
Date: Sat, 7 Jul 2001 20:08:56 +0100

Doh! I didn't think of that.  (Sound of hand hitting head.)

shriman

-----Original Message-----
From: Martin Roesch [mailto:roesch () sourcefire com]
Sent: 06 July 2001 19:46
To: Clausing, James A (Jim), SOBUS
Cc: Shriman Gurung; 'snort-users () lists sourceforge net'
Subject: Re: [Snort-users] >2Gb capture files


Ding ding ding!!!  Give that man a cigar.

    -Marty

"Clausing, James A (Jim), SOBUS" wrote:

        Am I missing something?  More than one snort process can listen
on
a
given interface, so start the new one first, then kill the old one.
There
should be an overlap of a few seconds, but nothing will be lost.

---Jim


--__--__--

Message: 2
Date: Sat, 7 Jul 2001 15:38:23 -0700 (PDT)
From: Erek Adams <erek () theadamsfamily net>
To: Chris Green <cmg () uab edu>
cc: Snorters Anonymous <snort-users () lists sourceforge net>
Subject: Re: [Snort-users] Bug Roundup--Chroot Broken?

On 6 Jul 2001, Chris Green wrote:

You understand it.  The problem is that HUP basically tells snort to
restart itself by exec() and it reparses its own command line and
config file.

Ok, then should it continue to 'recurse down the tree'?  Each time you HUP
it,
it goes down deeper into the tree, forcing you to have HUGE trees if you
want
to be able to HUP it.

Nope. It's been done by a few other nuts :>  You just have to live
with a full restart than an HUP.

Full restart is fine.  I just don't want to have to create directories
every
time I want to HUP it.

Chris, what OS are you using?

-----
Erek Adams
Nifty-Type-Guy
TheAdamsFamily.Net



--__--__--

Message: 3
Date: Sat, 7 Jul 2001 15:54:48 -0700 (PDT)
From: Erek Adams <erek () theadamsfamily net>
To: Snorters Anonymous <snort-users () lists sourceforge net>
Subject: [Snort-users] OT:  Tool to Decode shellcode?


Since folks here tend to have seen the nifty things, has anyone a tool
that
will parse shellcode and spit out the ascii characters?

Thanks!

-----
Erek Adams
Nifty-Type-Guy
TheAdamsFamily.Net



--__--__--

Message: 4
Date: Sat, 7 Jul 2001 21:31:49 -0400
From: Ramin Alidousti <ramin () cannon eng us uu net>
To: snort-users () lists sourceforge net
Subject: [Snort-users] react

Hi,

# cat tt
alert udp any any <> any 53 (react: block, msg;)
# snort -c tt

        --== Initializing Snort ==--
Checking PID path...
PATH_VARRUN is set to /var/run/ on this operating system

Initializing Network Interface eth1
Decoding Ethernet on interface eth1
Initializing Preprocessors!
Initializing Plug-ins!
Initializating Output Plugins!
Parsing Rules file tt

+++++++++++++++++++++++++++++++++++++++++++++++++++
Initializing rule chains...

ERROR: tt (1) => Unknown keyword "react" in rule!
Fatal Error, Quitting..


Can someone explain what I'm doing wrong and why snort says Unknown
keyword "react"?

Ramin


--__--__--

Message: 5
Date: Sat, 07 Jul 2001 21:50:50 -0400
From: Martin Roesch <roesch () sourcefire com>
To: Ramin Alidousti <ramin () cannon eng us uu net>
CC: snort-users () lists sourceforge net
Subject: Re: [Snort-users] react

make distclean && ./configure --enable-flexresp && make

then try again.

   -Marty

Ramin Alidousti wrote:

Hi,

# cat tt
alert udp any any <> any 53 (react: block, msg;)
# snort -c tt

        --== Initializing Snort ==--
Checking PID path...
PATH_VARRUN is set to /var/run/ on this operating system

Initializing Network Interface eth1
Decoding Ethernet on interface eth1
Initializing Preprocessors!
Initializing Plug-ins!
Initializating Output Plugins!
Parsing Rules file tt

+++++++++++++++++++++++++++++++++++++++++++++++++++
Initializing rule chains...

ERROR: tt (1) => Unknown keyword "react" in rule!
Fatal Error, Quitting..

Can someone explain what I'm doing wrong and why snort says Unknown
keyword "react"?

Ramin

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--
Martin Roesch
roesch () sourcefire com
http://www.sourcefire.com - http://www.snort.org


--__--__--

Message: 6
From: Dragos Ruiu <dr () kyx net>
Organization: kyx.net
To: Ramin Alidousti <ramin () cannon eng us uu net>,
snort-users () lists sourceforge net
Subject: Re: [Snort-users] react
Date: Sat, 7 Jul 2001 18:53:16 -0700

rerun ./configure with --enable-flexresp
recompile and reinstall.

cheers,
--dr

On Sat, 07 Jul 2001, Ramin Alidousti wrote:
Hi,

# cat tt
alert udp any any <> any 53 (react: block, msg;)
# snort -c tt

        --== Initializing Snort ==--
Checking PID path...
PATH_VARRUN is set to /var/run/ on this operating system

Initializing Network Interface eth1
Decoding Ethernet on interface eth1
Initializing Preprocessors!
Initializing Plug-ins!
Initializating Output Plugins!
Parsing Rules file tt

+++++++++++++++++++++++++++++++++++++++++++++++++++
Initializing rule chains...

ERROR: tt (1) => Unknown keyword "react" in rule!
Fatal Error, Quitting..


Can someone explain what I'm doing wrong and why snort says Unknown
keyword "react"?

Ramin

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--
Dragos Ruiu <dr () dursec com>   dursec.com ltd. / kyx.net - we're from the
future
gpg/pgp key on file at wwwkeys.pgp.net or at http://dursec.com/drkey.asc


--__--__--

Message: 7
From: Dragos Ruiu <dr () kyx net>
Organization: kyx.net
To: Erek Adams <erek () theadamsfamily net>,
Snorters Anonymous <snort-users () lists sourceforge net>
Subject: Re: [Snort-users] OT: Tool to Decode shellcode?
Date: Sat, 7 Jul 2001 19:21:46 -0700

On Sat, 07 Jul 2001, Erek Adams wrote:
Since folks here tend to have seen the nifty things, has anyone a tool
that
will parse shellcode and spit out the ascii characters?

Do you mean the dissasembled shellcode instructions or ascii as in
snort -d
hexdumps?

--dr


--__--__--

Message: 8
Date: Sun, 8 Jul 2001 01:01:58 -0400
From: Ramin Alidousti <ramin () cannon eng us uu net>
To: snort-users () lists sourceforge net
Subject: Re: [Snort-users] react

Thanks. I compiled it the way you said and changed my test to tcp instead
of udp (as with udp it'll not be a connection). What I expect is that it
blocks my tcp connections to port 53. However, it doesn't block the
connection
but generates lots of "Critical: SendTCP: libnet_write_ip". I'm sure that
I'm still doing something wrong.

Ramin

On Sat, Jul 07, 2001 at 09:50:50PM -0400, Martin Roesch wrote:

make distclean && ./configure --enable-flexresp && make

then try again.

   -Marty

Ramin Alidousti wrote:

Hi,

# cat tt
alert udp any any <> any 53 (react: block, msg;)
# snort -c tt

        --== Initializing Snort ==--
Checking PID path...
PATH_VARRUN is set to /var/run/ on this operating system

Initializing Network Interface eth1
Decoding Ethernet on interface eth1
Initializing Preprocessors!
Initializing Plug-ins!
Initializating Output Plugins!
Parsing Rules file tt

+++++++++++++++++++++++++++++++++++++++++++++++++++
Initializing rule chains...

ERROR: tt (1) => Unknown keyword "react" in rule!
Fatal Error, Quitting..

Can someone explain what I'm doing wrong and why snort says Unknown
keyword "react"?

Ramin

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--
Martin Roesch
roesch () sourcefire com
http://www.sourcefire.com - http://www.snort.org


--__--__--

Message: 9
Date: Sun, 08 Jul 2001 08:43:22 -0400
From: Martin Roesch <roesch () sourcefire com>
To: snort-users <snort-users () lists sourceforge net>,
   snort-dev <snort-devel () lists sourceforge net>
Subject: [Snort-users] Beta 10/Build 38 avaialable

Morning everyone,
     Beta 10/build 38 is now available in CVS, everyone testing please
download it and have a look.  I've addresses all the bug reports people
have sent in as of yesterday afternoon.  If there are no show stoppers
this code will be the release version of 1.8.

     -Marty

--
Martin Roesch
roesch () sourcefire com
http://www.sourcefire.com - http://www.snort.org


--__--__--

Message: 10
Date: Sun, 8 Jul 2001 06:08:32 -0700 (PDT)
From: Erek Adams <erek () theadamsfamily net>
To: Dragos Ruiu <dr () kyx net>
cc: Snorters Anonymous <snort-users () lists sourceforge net>
Subject: Re: [Snort-users] OT: Tool to Decode shellcode?

On Sat, 7 Jul 2001, Dragos Ruiu wrote:

Do you mean the dissasembled shellcode instructions or ascii as in
snort -d
hexdumps?

Shellcode.  I'm looking for something that I can cut-n-paste the shellcode
from various exploits into and have it spit out what it will do.

That make sense or am I smokin crack?

-----
Erek Adams
Nifty-Type-Guy
TheAdamsFamily.Net



--__--__--

Message: 11
Date: Sun, 8 Jul 2001 20:34:43 +0700
From: Fyodor <fygrave () tigerteam net>
To: Erek Adams <erek () theadamsfamily net>
Cc: Dragos Ruiu <dr () kyx net>,
   Snorters Anonymous <snort-users () lists sourceforge net>
Subject: Re: [Snort-users] OT: Tool to Decode shellcode?

On Sun, Jul 08, 2001 at 06:08:32AM -0700, Erek Adams wrote:
On Sat, 7 Jul 2001, Dragos Ruiu wrote:

Do you mean the dissasembled shellcode instructions or ascii as in
snort -d
hexdumps?

Shellcode.  I'm looking for something that I can cut-n-paste the
shellcode
from various exploits into and have it spit out what it will do.

That make sense or am I smokin crack?



very likely smocking crack ;-D. Most you can do is to dumb binary of
shellcode into a file, and use objdump to disasm it... then read the asm
output ;)


--__--__--

Message: 12
From: "Steve Shockley" <steve.shockley () shockley net>
To: "Snorters Anonymous" <snort-users () lists sourceforge net>
Subject: Re: [Snort-users] OT: Tool to Decode shellcode?
Date: Sun, 8 Jul 2001 13:41:24 -0400

Shellcode.  I'm looking for something that I can cut-n-paste the
shellcode
from various exploits into and have it spit out what it will do.

They call that a microprocessor.  Seriously, aside from signature
matching,
that'd be one heck of a coding achievement.





--__--__--

Message: 13
Reply-To: "Luca Mauri" <luca.mauri () libero it>
From: "Luca Mauri" <luca.mauri () libero it>
To: "snort-users" <snort-users () lists sourceforge net>
Date: Sun, 8 Jul 2001 20:13:56 +0200
Subject: [Snort-users] Connection lost

Hi there !
I am an absolute beginner about Snort and I am just exploring this program
for a more extensive use.

I am testing the software on a stand alone machine with a 56K dial-up
internet connection.
After having setting the main parameters in the in the configuration file
as
in the snort.conf example, I have started Snort.
Immediately after Snort starts, every traffic to internet is reduced to
zero: no data are trasmitted or received at all.
If I stop Snort, the internet traffic resume as normal.

I have no explication for this strange behaviour, please try to help me .

Thank you for your cooperation.



--------------------------------------
Luca Mauri
luca.mauri () libero it

Amministratore e Webmaster di
www.lucamauri.net - Luca Mauri Network
www.lucamauri.com - Innovation in ICT




--__--__--

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