Researchers Discover Spy Platform with GSM Fingerprinting
An investigation by ESET has uncovered Attor, a previously unknown cyber-espionage platform that has been used by threat actors to carry out campaigns targeting government and diplomatic entities in Eastern Europe since at least 2013. Zuzana Hromcová of ESET said the attacks were “highly targeted at users of these Russian services, specifically those who are concerned about their privacy.”
The Attor platform uses Tor for network communication and can be used for fingerprinting GSM devices, among other purposes. The results of such fingerprinting can enable threat actors to tailor attacks to specific devices.