PUA - NPS Tunneling Tool Execution

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About the rule

Rule Type

Standard

Rule Description

Detects the use of NPS, a port forwarding and intranet penetration proxy server

Severity

Trouble

Rule Requirement

Criteria

Action1: actionname = "Process started" AND PROCESSNAME endswith "\npc.exe" OR (COMMANDLINE contains " -server=" AND COMMANDLINE contains " -vkey=" AND COMMANDLINE contains " -password=") OR COMMANDLINE contains " -config=npc" OR HASHES contains "MD5=AE8ACF66BFE3A44148964048B826D005,SHA1=CEA49E9B9B67F3A13AD0BE1C2655293EA3C18181,SHA256=5A456283392FFCEEEACA3D3426C306EB470304637520D72FED1CC1FEBBBD6856" select Action1.HOSTNAME,Action1.MESSAGE,Action1.COMMANDLINE,Action1.FILE_NAME,Action1.PROCESSNAME,Action1.USERNAME,Action1.PARENTPROCESSNAME

Detection

Execution Mode

realtime

Log Sources

Windows

Author

Florian Roth (Nextron Systems)