From: Lucien Fransman (lucien.fransman@irc2.nl)
Date: Fri Apr 07 2006 - 10:48:19 EDT
On Thursday 06 April 2006 09:03, John Kinsella wrote:
Hello,
There are ways to get information from the ports you mention (like trying to
log in with different usernames, and notice the response), sniffing network
traffic, using FTP to get/access user accounts (notice, if you have a
username/password for ftp, you can execute commands through ftp as that
user).
The AS/400 security model allows for a very tight lockdown of the system, but
some services (namely FTP and the databases) are insecure by design (if you
have an account, you can escalate through these services.)
The services behind the ports can be found through some easy googling, and the
high ports are described in the following location:
I wont go into too much detail on how to exploit this machine, as i'm not very
certain you are a qualified person for this. (Don't get me wrong, but i've
seen too many "0wn3d" as/400 servers)
Kind Regards,
Enchanter_tim
> On Wed, Apr 05, 2006 at 09:30:32AM -0000, culdud@gmail.com wrote:
> > Have anyone of u is able to hack into iSeries AS/400 ?
> >
> > Recently during pentest I found following ports open on one of AS400 box:
> > 21, 23, 449, 8476, 8470, 8472, 8471, 8475, 8473, 8474
> >
> > I have gathered necessary infromation about these ports. Is there any way
> > by which we can use these ports to get into this box?
>
> You're dealing with a completeley different beast. :) I have tons of
> respect for the AS400 architecture - security model is very well done, but
> as usual that's only as good in the real world as those maintaining it.
>
> Looks like a pretty minumal config, no IFS or tomcat or sillyness,
> just terminal server, ftp, and telnet. If you can sniff that network
> segment for a while and you'll probably get a few useful passwords.
> Seems like so few '400 system operators want to install ssh services...
>
> Suggested reading: Expert's Guide to OS/400 & i5/OS Security
> http://www.amazon.com/gp/product/158304096X/sr=8-3/qid=1144306627/ref=sr_1_
>3/104-8305370-1071915?%5Fencoding=UTF8
>
> John
snipsnip
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