Iranian hackers wage cyber campaign against U.S. amid ongoing tension
Iran has increased its offensive cyberattacks against the U.S. government and critical infrastructure as tensions have grown between the two nations, cybersecurity firms say.
In recent weeks, hackers believed to be working for the Iranian government have targeted U.S. government agencies, as well as sectors of the economy, including oil and gas, sending waves of spear-phishing emails, according to representatives of cybersecurity companies CrowdStrike and FireEye, which regularly track such activity.
It was not known if any of the hackers managed to gain access to the targeted networks with the emails, which typically mimic legitimate emails but contain malicious software.
The cyber offensive is the latest chapter in the U.S. and Iran’s ongoing cyber operations targeting the other, with this recent sharp increase in attacks occurring after the Trump administration imposed sanctions on the Iranian petrochemical sector this month.
Tensions have escalated since the U.S. withdrew from the 2015 nuclear deal with Iran last year and began a policy of “maximum pressure.” Iran has since been hit by multiple rounds of sanctions. Tensions spiked this past week after Iran shot down an unmanned U.S. drone — an incident that nearly led to a U.S. military strike against Iran on Thursday evening.
“Both sides are desperate to know what the other side is thinking,” said John Hultquist, director of intelligence analysis at FireEye. “You can absolutely expect the regime to be leveraging every tool they have available to reduce the uncertainty about what’s going to happen next, about what the U.S.’s next move will be.”
CrowdStrike shared images of the spear-phishing emails with The AP.
One such email that was confirmed by FireEye appeared to come from the Executive Office of the President and seemed to be trying to recruit people for an economic adviser position. Another email was more generic and appeared to include details on updating Microsoft Outlook’s global address book.
The Iranian actor involved in the cyberattack, dubbed “Refined Kitten” by CrowdStrike, has for years targeted the U.S. energy and defence sectors, as well as allies such as Saudi Arabia and the United Arab Emirates, said Adam Meyers, vice-president of intelligence at CrowdStrike.
The National Security Agency would not address discuss Iranian cyber actions specifically but said in a statement to The Associated Press on Friday that “there have been serious issues with malicious Iranian cyber actions in the past.”
“In these times of heightened tensions, it is appropriate for everyone to be alert to signs of Iranian aggression in cyberspace and ensure appropriate defences are in place,” the NSA said.
Iran has long targeted the U.S. oil and gas sectors and other critical infrastructure, but those efforts dropped significantly after the nuclear agreement was signed. After President Donald Trump withdrew the U.S. from the deal in May 2018, cyber experts said they have seen an increase in Iranian hacking efforts.
“This is not a remote war (anymore),” said Sergio Caltagirone, vice-president of threat intelligence at Dragos, Inc. “This is one where Iranians could quote unquote bring the war home to the United States.”
Caltagirone said as nations increase their abilities to engage offensively in cyberspace, the ability of the United States to pick a fight internationally and have that fight stay out of the United States physically is increasingly reduced.
The U.S. has had a contentious cyber history with Iran.
In 2010, the so-called Stuxnet virus disrupted the operation of thousands of centrifuges at a uranium enrichment facility in Iran. Iran accused the U.S. and Israel of trying to undermine its nuclear program through covert operations.
Iran has also shown a willingness to conduct destructive campaigns. Iranian hackers in 2012 launched an attack against state-owned oil company Saudi Aramco, releasing a virus that erased data on 30,000 computers and left an image of a burning American flag on screens.
In 2016, the U.S. indicted Iranian hackers for a series of punishing cyberattacks on U.S. banks and a small dam outside of New York City.
U.S. Cyber Command refused to comment on the latest Iranian activity. “As a matter of policy and for operational security, we do not discuss cyberspace operations, intelligence or planning,” Pentagon spokeswoman Heather Babb said in a statement. The White House did not respond to a request for comment.
Despite the apparent cyber campaign, experts say the Iranians would not necessarily immediately exploit any access they gain into computer systems and may seek to maintain future capabilities should their relationship with the U.S. further deteriorate.
“It’s important to remember that cyber is not some magic offensive nuke you can fly over and drop one day,” said Oren Falkowitz, a former National Security Agency analyst. It takes years of planning, he said, but as tensions increase, “cyber impact is going to be one of the tools they use and one of the hardest things to defend against.”
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