Taxpayers Targeted With Improved NetWire RAT Variant


Trojan malware

Taxpayers are being targeted by a new NetWire RAT variant in a recent malspam campaign that makes use of an improved keylogger and an Excel 4.0 Macro.

A new variant of the the NetWire remote access trojan (RAT) is hitching a ride on IRS-themed phishing ploys targeting taxpayers in hopes of snatching victims’ credentials and tax information.

The recently uncovered campaign reveals the RAT’s operators swapping up infection tactics to use a legacy Microsoft Excel 4.0 Macro, helping them sidestep detection and analysis efforts. The NetWire variant’s payload has also been given a facelift, with improved keylogger and credential-collecting features.

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