To report a botnet PRIVATELY please email: [EMAIL PROTECTED]
----------
Captured this in a channel I'm monitoring:

10:25  <oasjdfoij> freeride4ever $davalka RRIBUUICCSICFA RSRS
b0b01bd6ac4f8c087e28f2feb5e37e80
10:25 <*> Quit -> frgmrtfr_
[EMAIL PROTECTED] [Quit: .]
10:25 <*> Quit -> ya0aeaaaa [EMAIL PROTECTED]
[Quit: .]
10:25 <*> Quit -> ljnrwvwk5 [EMAIL PROTECTED] [Quit: .]
10:25 <*> Quit -> xbn [EMAIL PROTECTED] [Quit: .]
10:25 <*> Quit -> gvlgzmt [EMAIL PROTECTED] [Read error: EOF from
client]
10:25 <*> Quit -> bkrvsffpf
[EMAIL PROTECTED] [Quit: .]
10:25 <*> Quit -> aeyeay
[EMAIL PROTECTED] [Quit: .]
10:25 <*> Quit -> eue0ea0 [EMAIL PROTECTED] [Read error: EOF from
client]
10:25 <*> Quit -> _zwhjrjl1 [EMAIL PROTECTED] [Read error: EOF
from client]
10:25 <*> Quit -> Uieeiueoa7 [EMAIL PROTECTED] [Quit: .]
10:25 <*> Quit -> uuui0ooe_ [EMAIL PROTECTED]
[Quit: .]
10:25 <*> Quit -> jqktqrh_ [EMAIL PROTECTED] [Quit: .]

...

A contact on that network mentioned that he'd seen bot herders update
Korgo to these particular bots, though he's not entirely sure what they
are.

These appear to be a worm, as groups of bots will be killed by the
network at random when a host connects too many times (indicating
repeated infection).

'davalka' appears to be Russian for 'honest slut' (*snerk*), so this
appears to be a Russian worm (which, as it just so happens, Korgo
is...).

RRIBUUICCSICFA RSRS apparently is an ip address and port, using
character rotation/replacement.  I suspect the md5 at the end of the
command string is used as a sort of checksum, though I've no idea what
it's generated from (I've tried several variations of the command
string, both with the encoded ip/port and decoded - I can't get a match
to the md5).  Attempting to have the bots connect to localhost resulted
in no action, hence the suspicion about the md5 as checksum.

Has anyone on here seen these before?  Can you positively identify them
as Korgo, or another bot?  And how is the md5 used/generated?

Thank you.



-- 
PinkFreud
Chief of Security, Nightstar IRC network
irc.nightstar.net | www.nightstar.net
Server Administrator - Blargh.CA.US.Nightstar.Net
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