That's why you get an unitialized constant for NessusREST. The wget command does not work like curl, so when you ran the command I provided above it created an empty file ( /usr/share/metasploit-framework/vendor/bundle/ruby/2.5.0/gems/nessus_rest-0.1.6/lib/nessus_rest.rb).

usr/share/metasploit-framework/lib/msf/core/thread_manager.rb:106:in `block in spawn' usr/share/metasploit-framework/lib/msf/ui/web/console.rb:76:in `block in initialize' usr/share/metasploit-framework/lib/rex/ui/text/shell.rb:158:in `run' usr/share/metasploit-framework/lib/rex/ui/text/dispatcher_shell.rb:468:in `run_single' usr/share/metasploit-framework/lib/rex/ui/text/dispatcher_shell.rb:468:in `each' usr/share/metasploit-framework/lib/rex/ui/text/dispatcher_shell.rb:474:in `block in run_single' usr/share/metasploit-framework/lib/rex/ui/text/dispatcher_shell.rb:523:in `run_command' usr/share/metasploit-framework/plugins/nessus.rb:388:in `cmd_nessus_connect'

usr/share/metasploit-framework/plugins/nessus.rb:165:in `nessus_login' Error while running command nessus_connect: uninitialized constant Msf::Plugin::Nessus::ConsoleCommandDispatcher::NessusREST Metasploit versionĬonsole : 4.17.26-dev I installed Metasploit with:

usr/share/metasploit-framework/lib/metasploit/framework/command/console.rb:48:in start' /usr/share/metasploit-framework/lib/metasploit/framework/command/base.rb:82:in start' usr/share/metasploit-framework/lib/rex/ui/text/dispatcher_shell.rb:447:in run_single' /usr/share/metasploit-framework/lib/rex/ui/text/shell.rb:151:in run' usr/share/metasploit-framework/lib/rex/ui/text/dispatcher_shell.rb:453:in block in run_single' /usr/share/metasploit-framework/lib/rex/ui/text/dispatcher_shell.rb:447:in each' usr/share/metasploit-framework/plugins/nessus.rb:979:in cmd_nessus_scan_new' /usr/share/metasploit-framework/lib/rex/ui/text/dispatcher_shell.rb:501:in run_command' Error while running command nessus_scan_new: undefined method `' for nil:NilClass Creating scan from policy number UUID, called Test - Test and scanning IP New scan is created which can then be launched. Connect to Nessus server (nessus_connect).

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