CIA spooks use complex code to hide their cyber attacks and make their targets think they have been hacked by the Russians, according to a fresh Wikileaks breach.

Agents can also disguise their web assaults to point the finger at China, North Korea and Iran, it says.

5 CIA agents can disguise their hacks to make it look like they were carried out by Russia, China, North Korea or Iran Credit: Alamy

5 Data breach is the latest in a series of leaks that claim to reveal the height of the CIA's shady powers Credit: Getty Images

5 Wikileaks, headed by Julian Assange, has published several damaging tranches of data on the CIA Credit: AP:Associated Press

Wikileaks, headed by holed-up hacker Julian Assange, has released 676 files claiming to lay bare the US intelligence agency's mysterious Marble software.

It is said to be able to scramble viruses and disguise them to appear as though they were launched by America's enemies.

Wikileaks claims that their findings show Marble test examples in Chinese, Korean, Arabic and Iranian Farsi.

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"This would permit a forensic attribution double game, for example by pretending that the spoken language of the malware creator was not American English, but Chinese", the hackers said.

The latest release forms part of Wikileaks' ongoing Vault 7 data cache that it says shows the extent of CIA snooping.

Earlier this month the organisation published data claiming to prove the agency's ability to use smart TVs as listening devices and take control of cars to make them crash.

5 Julian Assange has been holed up in the Ecuadorian embassy in London since 2011 Credit: Reuters

5 The CIA claims Wikileaks is damaging its ability to protect Americans Credit: AP:Associated Press

The CIA has refused to comment on the specifics of the leaks.

It says Wikileaks has put at risk the ability of intelligence services to protect American citizens.

"Such disclosures not only jeopardize U.S. personnel and operations, but also equip our adversaries with tools and information to do us harm", it has said.

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