<s>
Psyb0t	B-Application
or	O
Network	O
Bluepill	O
is	O
a	O
computer	O
worm	O
discovered	O
in	O
January	O
2009	O
.	O
</s>
<s>
Psyb0t	B-Application
was	O
first	O
detected	O
in	O
January	O
2009	O
by	O
Australian	O
security	O
researcher	O
Terry	O
Baume	O
in	O
a	O
Netcomm	O
NB5	O
ADSL	O
router/modem	O
.	O
</s>
<s>
Psyb0t	B-Application
targets	O
modems	O
and	O
routers	O
with	O
little-endian	O
MIPS	B-Device
processor	O
running	O
on	O
Mipsel	B-Device
Linux	O
firmware	O
.	O
</s>
<s>
It	O
is	O
a	O
part	O
of	O
botnet	B-Architecture
operated	O
by	O
IRC	O
command-and-control	O
servers	O
.	O
</s>
<s>
After	O
infecting	O
,	O
psyb0t	B-Application
blocks	O
access	O
to	O
the	O
router	O
TCP	O
ports	O
22	O
,	O
23	O
,	O
80	O
.	O
</s>
<s>
Psyb0t	B-Application
contains	O
many	O
attack	O
tools	O
.	O
</s>
<s>
Newer	O
version	O
2.9L	O
now	O
affects	O
over	O
50	O
models	O
by	O
Linksys	O
,	O
Netgear	O
and	O
other	O
vendors	O
,	O
including	O
those	O
running	O
DD-WRT	B-Protocol
or	O
OpenWrt	B-Application
firmware	O
.	O
</s>
