full-disclosure - Worm side effects

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <200308260027.CAA28076@fire.malware.de>
From: malware at t-online.de (Michael Mueller)
Subject: Worm side effects

Hi Geoincidents,

you wrote:
> > AFAIK, the worm uses a standard Windows routine to generate those ICMP
> > packets.
> 
> Nope, normal NT ping generates a 60 byte packet not 92 byte.

You still can be both right ;-)

The standard Windows routine as of Windows 2000 does allow sending ICMP
echo requests with an arbitary length, see
http://msdn.microsoft.com/library/default.asp?url=/library/en-us/iphlp/iphlp/icmpsendecho.asp

Yes, and the worm does use it to send 92 byte ICMP echo-request packets. 


Michael

-- 
Linux@...Xpress
http://www-users.rwth-aachen.de/Michael.Mueller4/tekxp/tekxp.html