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Iran Based Hackers Behind a Worldwide DNS Hijacking Campaign: FireEye

Iran-Based Hackers Behind a Worldwide DNS Hijacking Campaign: FireEye

By Indo-Asian News Service | Updated: 11 January 2019 18:48 IST

Iran-based cyber criminals are likely behind a sophisticated "unprecedented" hacking campaign targeting entities across the Middle East and North Africa, Europe and North America, according to US cybersecurity firm FireEye.

The researchers at FireEye have identified a wave of DNS (Domain Name System) hijacking that has affected dozens of domains belonging to government, telecommunications and Internet infrastructure entities.

"While we do not currently link this activity to any tracked group, initial research suggests the actor or actors responsible have a nexus to Iran," FireEye said in a blog post on Thursday.

"Preliminary technical evidence allows us to assess with moderate confidence that this activity is conducted by persons based in Iran and that the activity aligns with Iranian government interests," researchers wrote in the blog.

The hacking campaign has targeted victims across the globe on an almost unprecedented scale, with a high degree of success.

The teams at FireEye tracked the activity for several months -- mapping and understanding the innovative tactics, techniques and procedures (TTPs) deployed by the attacker.

They also worked closely with victims, security organisations and law enforcement agencies where possible to reduce the impact of the attacks and/or prevent further compromises.

"While this campaign employs some traditional tactics, it is differentiated from other Iranian activity we have seen by leveraging DNS hijacking at scale. The attacker uses this technique for their initial foothold, which can then be exploited in a variety of ways," explained researchers.

A large number of organisations have been affected by this pattern of DNS record manipulation and fraudulent SSL (Secure Sockets Layer) certificates.

"They include telecoms and ISP providers, Internet infrastructure providers, government and sensitive commercial entities," said FireEye.

This type of attack is difficult to defend against, because valuable information can be stolen, even if an attacker is never able to get direct access to an organisation's network.

"Implement multi-factor authentication on your domain's administration portal, search for SSL certificates related to your domain and revoke any malicious certificates, conduct an internal investigation to assess if attackers gained access to your environment," suggested researchers.

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