In Q3 2024, the Positive Technologies Expert Security Center (PT ESC) TI Department discovered a series of attacks on Russian government agencies.
PT ESC researchers were unable to establish any connection with known groups using the same techniques. The main goal was espionage and gaining a foothold to follow through on further attacks. They dubbed the group TaxOff because of their legal and finance-related phishing emails leading to a backdoor written in at least C++17, which the researchers named Trinper after the artefact used to communicate with C2. Initial infection vector TaxOff uses phishing emails.
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Source: Positive Technologies Expert Security Center
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