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SV: JPEG GDI+ (MS04-028) Exploit @ http://home.zccn.net/mm2004
From: "Peter Kruse" <kruse () krusesecurity dk>
Date: Sat, 9 Oct 2004 10:31:07 +0200
Hex verified its hxxp://home.zccn.net/mm2004/mu/nc.jpg with payload @
hxxp://home.zccn.net/mm2004/mu/msmsgs.exe infected by netsnake.h
Indeed. The malware, refered to in the jpg-exploit, was hosted as
"msmsgs.exe" (Netsnake-H) and has now been removed, so infection from that
specific URL, is no longer a threat.
Just thought you might like to know.
However, I did manage to grab a copy of the code. This is actually more a
network worm than a traditional backdoor. When executed Netsnake will drop a
copy of itself as psinthk.dll and iexeplore.exe to the local harddisk
(%windows systemfolder%). Netsnake will spread on IRC networks and also
search for workstations and servers protected by weak passwords. This is not
mentioned in the write-up by Sophos.
Full-Disclosure - We believe in it.