<s>
MiniPanzer	B-Application
and	I-Application
MegaPanzer	I-Application
are	O
two	O
variants	O
of	O
Bundestrojaner	O
(	O
German	O
for	O
federal	O
Trojan	O
horse	O
)	O
written	O
for	O
ERA	B-Application
IT	I-Application
Solutions	I-Application
(	O
a	O
Swiss	O
federal	O
government	O
contractor	O
)	O
by	O
software	O
engineer	O
Ruben	B-Application
Unteregger	I-Application
,	O
and	O
later	O
used	O
by	O
Switzerland	O
's	O
Federal	O
Department	O
of	O
Environment	O
,	O
Transport	O
,	O
Energy	O
and	O
Communications	O
(	O
UVEK	O
)	O
to	O
intercept	O
Skype	B-Application
and	O
more	O
generally	O
voice	B-Application
over	I-Application
IP	I-Application
traffic	O
on	O
Windows	B-Application
XP	I-Application
systems	O
.	O
</s>
<s>
One	O
of	O
its	O
designations	O
given	O
by	O
anti-virus	O
companies	O
was	O
Trojan.Peskyspy	B-Application
.	O
</s>
<s>
The	O
malware	O
used	O
DLL	B-Operating_System
injection	I-Operating_System
.	O
</s>
