US companies warned against ‘Energetic Bear’ virus
A hacking group known as Energetic Bear has reportedly targeted 1,018 organizations across 84 different countries
The US government has warned critical infrastructure operators to make sure their systems haven’t been infected with malicious software from a hacking group known as Energetic Bear.
The group has been identified by cyber-security researchers as being responsible for a widespread attack using malicious software known as the Havex Trojan. The virus was spotted by researchers with F-Secure of Finland and Symantec of the United States, who believe Energetic Bear is using the malware to infect energy and industrial firms around the world.
Havex is a Remote Access Trojan, or RAT, that grants hackers control of an infected machine. While RATs are typically used for espionage, they can be used for other purposes, including downloading other malicious tools onto compromised machines.
The researchers believe Energetic Bear may have connections with the government of Russia.
Earlier this week, the US Department of Homeland Security's Industrial Control Systems Cyber Emergency Response Team (ICS-CERT) advised critical infrastructure operators to tighten security, and provided them a list of specific steps to better protect their systems. It also asked them to check to see if their systems had been infected.
"ICS-CERT strongly recommends that organizations check their network logs for activity associated with this campaign," Department of Homeland Security said in an alert on its website Tuesday. "Any organization experiencing activity related to this report should preserve available evidence for forensic analysis and future law enforcement purposes."
The request follows another alert last week on Havex from ICS-CERT, which said that the agency and F-Secure had learned that the malicious software was designed to send a map of the network infrastructure back to the hackers' command-and-control server.
F-Secure, Symantec and the Department of Homeland Security declined to identify companies whose systems were infected, though they said they were in the energy and industrial sectors.
F-Secure and Symantec said they believed the malicious software had so far only been used for spying, but that it had the capability to be used for sabotage.
"They are scanning and mapping out industrial control system networks," said F-Secure researcher Sean Sullivan. "They are probably passing on the ones that are of interest to other groups."
The Energetic Bear gang was first identified in January by researchers with cyber-security firm CrowdStrike, which said the group was linked to the Russian government and was focused on espionage.
Symantec said 1,018 organizations across 84 different countries had been hit by the operation, though not all countries were known and some infections might be accidental.
The security software maker said it believed the intended targets of the group were in the energy and industrial sectors. Geographically, the most activity was in Spain, followed by the United States, then France, Italy and Germany.
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