Non-sucking Service Manager - Threat Group Cards: A Threat Actor Encyclopedia Archived: 2026-04-05 20:48:32 UTC Home > List all groups > List all tools > List all groups using tool Non-sucking Service Manager Tool: Non-sucking Service Manager Names Non-sucking Service Manager NSSM Category Tools Description The genuine nssm.exe file is a software component of NSSM by Iian Patterson. Non-Sucking Service Manager is a service manager for Microsoft Windows. Nssm.exe launches the Non-Sucking Service Manager program. This is not an essential Windows process and can be disabled if known to create problems. NSSM is a free utility that manages background and foreground services and processes. The program can be set to automatically restart failing services. The program also logs all progress in an Event Log, making it easier to identify applications that aren't behaving as they should. Information Last change to this tool card: 20 April 2020 Download this tool card in JSON format All groups using tool Non-sucking Service Manager Changed Name Country Observed APT groups   Chafer, APT 39 2014-Sep 2020 1 group listed (1 APT, 0 other, 0 unknown) Source: https://apt.etda.or.th/cgi-bin/listgroups.cgi?u=f17f40a9-f9d0-42d5-9e69-72146a0038cb https://apt.etda.or.th/cgi-bin/listgroups.cgi?u=f17f40a9-f9d0-42d5-9e69-72146a0038cb Page 1 of 1