Security researchers are warning that the once-dormant Bandook malware family is back, possibly be part of a broader operation selling offensive hacking tools to governments and cybercriminal groups.

Check Point Research unveiled new research tracking a resurgence in the use of Bandook – a 13-year-old banking Trojan – across “an unusually wide variety of targeted sectors and locations.” Over the past year, the team has observed dozens of digitally signed variants of the malware being used in attacks against organizations in the United States, Singapore, Cyprus, Chile, Italy, Turkey Switzerland, Indonesia and Germany. The sectors targeted include government, finance, energy, food, healthcare, education, IT and legal.

Researchers said they only identified around 15 specific organizations that were targeted, indicating a much narrower scope even as the activity has been spread out across different countries and industries.

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