{"id":"3e102cd9-a70d-4a7a-9508-403963092f31","title":"Linux Network Service Scanning Tools Execution","description":"Detects execution of network scanning and reconnaisance tools. These tools can be used for the enumeration of local or remote network services for example.","author":"Alejandro Ortuno, oscd.community, Georg Lauenstein (sure[secure])","status":"test","level":"low","date":"2020-10-21","modified":"2024-09-19","tags":["attack.discovery","attack.t1046"],"technique_ids":["T1046"],"logsource":{"category":"process_creation","product":"linux"},"falsepositives":["Legitimate administration activities"],"references":["https://github.com/redcanaryco/atomic-red-team/blob/f339e7da7d05f6057fdfcdd3742bfcf365fee2a9/atomics/T1046/T1046.md","https://github.com/projectdiscovery/naabu","https://github.com/Tib3rius/AutoRecon"],"source_path":"rules/linux/process_creation/proc_creation_lnx_susp_network_utilities_execution.yml","source_sha256":"5fa056ac54b8a796dc558300c4ab277c2e559c87ed8e3d51413ee7313f3ece4c","source_url":"https://github.com/anpa1200/sigma/blob/b249e9683190cffdcaf188ccbfb90bf4759844e1/rules/linux/process_creation/proc_creation_lnx_susp_network_utilities_execution.yml","license":"Detection Rule License 1.1","license_url":"https://github.com/SigmaHQ/Detection-Rule-License/blob/main/LICENSE.Detection.Rules.md","yaml":"title: Linux Network Service Scanning Tools Execution\nid: 3e102cd9-a70d-4a7a-9508-403963092f31\nstatus: test\ndescription: Detects execution of network scanning and reconnaisance tools. These tools can be used for the enumeration of local or remote network services for example.\nreferences:\n    - https://github.com/redcanaryco/atomic-red-team/blob/f339e7da7d05f6057fdfcdd3742bfcf365fee2a9/atomics/T1046/T1046.md\n    - https://github.com/projectdiscovery/naabu\n    - https://github.com/Tib3rius/AutoRecon\nauthor: Alejandro Ortuno, oscd.community, Georg Lauenstein (sure[secure])\ndate: 2020-10-21\nmodified: 2024-09-19\ntags:\n    - attack.discovery\n    - attack.t1046\nlogsource:\n    category: process_creation\n    product: linux\ndetection:\n    selection_netcat:\n        Image|endswith:\n            - '/nc'\n            - '/ncat'\n            - '/netcat'\n            - '/socat'\n    selection_network_scanning_tools:\n        Image|endswith:\n            - '/autorecon'\n            - '/hping'\n            - '/hping2'\n            - '/hping3'\n            - '/naabu'\n            - '/nmap'\n            - '/nping'\n            - '/telnet' # could be wget, curl, ssh, many things. basically everything that is able to do network connection. consider fine tuning\n            - '/zenmap'\n    filter_main_netcat_listen_flag:\n        CommandLine|contains:\n            - ' --listen '\n            - ' -l '\n    condition: (selection_netcat and not filter_main_netcat_listen_flag) or selection_network_scanning_tools\nfalsepositives:\n    - Legitimate administration activities\nlevel: low\n","validation":"yaml_parsed_not_backend_compiled_or_live_validated","techniques":[{"key":"enterprise/T1046","id":"T1046","name":"Network Service Discovery","page":"techniques/enterprise/T1046/"}],"data_path":"data/detection-rules/3e102cd9-a70d-4a7a-9508-403963092f31.json","kind":"sigma"}