Gholam Reza Jalali says investigations by Iranian experts show that Stuxnet originated from the US state of Texas and Israel.
Jalali heads a military unit called Passive Defense that primarily deals with sabotage. His comments were reported Saturday by Iran's official IRNA news agency.
Iran has acknowledged Stuxnet hit a limited number of centrifuges at its main uranium enrichment facility, the centerpiece of its nuclear program.
The US and its allies accuse Iran of seeking to develop nuclear weapons, a charge Iran denies.
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