{"id":"68d37776-61db-42f5-bf54-27e87072d17e","title":"PUA - NPS Tunneling Tool Execution","description":"Detects the use of NPS, a port forwarding and intranet penetration proxy server","author":"Florian Roth (Nextron Systems)","status":"test","level":"high","date":"2022-10-08","modified":"2024-11-23","tags":["attack.command-and-control","attack.t1090"],"technique_ids":["T1090"],"logsource":{"category":"process_creation","product":"windows"},"falsepositives":["Legitimate use"],"references":["https://github.com/ehang-io/nps"],"source_path":"rules/windows/process_creation/proc_creation_win_pua_nps.yml","source_sha256":"ce63d92df57000b866009ddeba46acb9f9dc64846e2e2416ad47920ae0b888b5","source_url":"https://github.com/anpa1200/sigma/blob/b249e9683190cffdcaf188ccbfb90bf4759844e1/rules/windows/process_creation/proc_creation_win_pua_nps.yml","license":"Detection Rule License 1.1","license_url":"https://github.com/SigmaHQ/Detection-Rule-License/blob/main/LICENSE.Detection.Rules.md","yaml":"title: PUA - NPS Tunneling Tool Execution\nid: 68d37776-61db-42f5-bf54-27e87072d17e\nstatus: test\ndescription: Detects the use of NPS, a port forwarding and intranet penetration proxy server\nreferences:\n    - https://github.com/ehang-io/nps\nauthor: Florian Roth (Nextron Systems)\ndate: 2022-10-08\nmodified: 2024-11-23\ntags:\n    - attack.command-and-control\n    - attack.t1090\nlogsource:\n    category: process_creation\n    product: windows\ndetection:\n    selection_img:\n        Image|endswith: '\\npc.exe'\n    selection_cli_1:\n        CommandLine|contains|all:\n            - ' -server='\n            - ' -vkey='\n            - ' -password='\n    selection_cli_2:\n        CommandLine|contains: ' -config=npc'\n    selection_hashes:\n        # v0.26.10\n        Hashes|contains:\n            - \"MD5=AE8ACF66BFE3A44148964048B826D005\"\n            - \"SHA1=CEA49E9B9B67F3A13AD0BE1C2655293EA3C18181\"\n            - \"SHA256=5A456283392FFCEEEACA3D3426C306EB470304637520D72FED1CC1FEBBBD6856\"\n    condition: 1 of selection_*\nfalsepositives:\n    - Legitimate use\nlevel: high\n","validation":"yaml_parsed_not_backend_compiled_or_live_validated","techniques":[{"key":"enterprise/T1090","id":"T1090","name":"Proxy","page":"techniques/enterprise/T1090/"}],"data_path":"data/detection-rules/68d37776-61db-42f5-bf54-27e87072d17e.json","kind":"sigma"}