[nsp-sec] Possible 700k+ node botnet

Klaus Moeller moeller at dfn-cert.de
Thu Oct 2 05:27:02 EDT 2008


Am Mittwoch, 1. Oktober 2008 22:23:40 schrieb Dave Mitchell:
> Over the past few weeks we noticed a large amount of machines doing odd
> HTTP gets on www.yahoo.com for GET / setting.xls and setting.doc. The
> unique addresses as of the other day totaled 713,813 globally. I'm still
> not sure if this is a botnet or something else, but the large number of
> machines and their rapid checking in for files that don't exist make me
> thing something is awrye with them.

ACK AS 553, 680.

However, a significant portion seems to come from anonymizing proxies like 
TOR and JAP.

Regards,
		Klaus Möller, DFN-CERT

-- 
Dipl. Inform. Klaus Moeller (CSIRT)
Phone: +49 40 808077-555, Fax: +49 40 808077-556

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