Netskope Threat Labs

NirSoft

AV

NirSoft refers to legitimate password recovery tools from NirSoft that cyberattackers can abuse for credential theft.

First seen
January 2022
Last seen
October 2026
Nirsoft
Alert Name
Application.Agent.Nirsoft.D
Application.Agent.Nirsoft.F
Application.NirSoft.AB
Application.NirSoft.AC
Application.NirSoft.AD
Application.NirSoft.AJ
Application.NirSoft.AK
Application.NirSoft.AM
Application.NirSoft.AN
Application.NirSoft.AO