The developers behind TrickBot have once again upgraded the information stealer's malicious capabilities, this time creating a variant that swipes credentials for various remote access services.

In a Feb. 12 company blog post, Trend Micro researchers Noel Anthony Llimos and Carl Maverick Pascual report that the new version targets passwords for Virtual Network Computing (VCN), PuTTY, and Remote Desktop Protocol (RDP).

Detected as TrojanSpy.Win32.TRICKBOT.AZ and Trojan.Win32.MERETAM.ADnew, the new TrickBot was discovered this past January as part of a spam campaign that distributes emails disguised as tax incentive notifications from Deloitte. Attached to the emails are a malicious Microsoft Excel spreadsheet, featuring with a malicious macro that, upon activation, downloads the malicious payload.

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