In the wake of a targeted doxxing campaign last month that exposed the alleged core members of Lumma Stealer (which Trend Micro tracks as Water Kurita), the underground infostealer landscape experienced a significant upheaval.
As detailed in Trend Research’s previous report, this exposure led to a marked decline in Lumma Stealer’s activity, with many of its customers migrating to rival platforms such as Vidar and StealC. However, recent observations from Trend Micro’s telemetry indicate a resurgence in Lumma Stealer activity, accompanied by notable changes in its command-and-control (C&C) behaviors, particularly the introduction of browser fingerprinting techniques.
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Source: Trend Micro
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