full-disclosure - Psexec on *NIX

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From: krajicek at ics.muni.cz (Ondrej Krajicek)
Subject: Psexec on *NIX

On Thu, May 06, 2004 at 02:54:55PM -0400, Chris Carlson wrote:
> As I said before, I don't want to add any additional applications to my
> machines.  Yes, I know how psexec works; it adds a service, uses that
> service, then removes it.  I also know that the r services are an
> option, as is ssh, but these are not what I want.  
> 
> If it doesn't exist, then it doesn't exist.  In that case, I'll go make
> one.   I'm just trying to save myself some time here.

I'm really curious how are you going to do it. There is no remote
execution magic (except of remotely exploitable bugs)...
even Windows does not containt any such magic, what makes
psexec possible is RPC.

SSH (sshd) is secure, widely supported from open source community,
fixed and patched regularly. I really could not see why to
prefer proprietary solution... which anyway adds additional
applications. Is not supported, must be maintained and also patched.
Just wait for first evil user who finds a bug, but does
not report it.

Ondra

> 
> -----Original Message-----
> From: Michael Gargiullo [mailto:mgargiullo@...pdrive.net] 
> Sent: Thursday, May 06, 2004 14:54
> To: Harlan Carvey
> Cc: Chris Carlson; full-disclosure@...ts.netsys.com
> Subject: Re: [Full-Disclosure] Psexec on *NIX
> 
> On Thu, 2004-05-06 at 13:33, Harlan Carvey wrote:
> > any of the r* services...rlogin, rexec, rshell?
> > 
> > http://csrc.nist.gov/publications/nistpubs/800-7/node129.html
> > 
> > --- Chris Carlson <chris@...pucounts.com> wrote:
> > > This has probably come up before, but does anyone know of a *nix 
> > > utility similar to psexec[1] to execute commands on remote windows 
> > > systems?
> > > 
> > > I've seen several samba newsgroup threads about this, but no posted 
> > > solutions.
> > > 
> > > I'm not looking for any extra services to add to my machines - I 
> > > already know of plenty.  I just want something comparable to psexec 
> > > that will run on *nix.
> > > 
> > > - Chris
> > > 
> > > [1]
> > >
> > http://www.sysinternals.com/ntw2k/freeware/psexec.shtml
> > > 
> 
> umm  have you tried ssh
> 
> ie...    ssh you@...otemachine 'ps ax'
> 
> -Mike
> 
> 
> 
> _______________________________________________
> Full-Disclosure - We believe in it.
> Charter: http://lists.netsys.com/full-disclosure-charter.html
+>>>-----------------------------------------------------------------+
|Ondrej Krajicek                                                 (-KO|
|Institute of Computer Science, Masaryk University Brno, CR          |
|http://isildur.ics.muni.cz/~ondra               krajicek@....muni.cz|
+--------------------------------------------------------------------+
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