Improvements thanks to jcran and some changes when used with sessions -s and AutoRunScript
git-svn-id: file:///home/svn/framework3/trunk@10826 4d416f70-5f16-0410-b530-b9f4589650daunstable
Carlos Perez
parent
4054a21ec9
commit
fc3df2303a
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@ -4,20 +4,24 @@
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#-------------------------------------------------------------------------------
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################## Variable Declarations ##################
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@client = client
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clear_evt = false
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event_name = nil
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log_path = nil
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supress_print = nil
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eventlog_name = nil
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print_logs = false
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list_logs = false
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clear_logs = false
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local_log = false
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local_log_path = nil
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supress_print = false
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filter = '\d*'
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filter_string = "*"
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meter_type = client.platform
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opts = Rex::Parser::Arguments.new(
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"-h" => [ false, "Help menu." ],
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"-i" => [ false, "List Present Event Logs on the System and thrie configuration"],
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"-e" => [ true, "Event Log to Open."],
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"-f" => [ true, "Event ID to filter events on."],
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"-l" => [ true, "Log to CSV file, path for folder to save log can be provided."],
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"-c" => [ false, "Clear a given Event Log or all if none specified."],
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"-s" => [ false, "Suppress printing filtered logs to screen."]
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"-h" => [ false, "Help menu" ],
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"-i" => [ false, "Show information about Event Logs on the System and their configuration"],
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"-l" => [ true, "List a given Event Log (or ALL if no argument specified)"],
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"-c" => [ true, "Clear a given Event Log (or ALL if no argument specified)"],
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"-f" => [ true, "Event ID to filter events on"],
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"-s" => [ true, "Save logs to local CSV file, optionally specify alternate folder in which to save logs"],
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"-p" => [ false, "Supress printing filtered logs to screen"]
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)
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@ -25,7 +29,7 @@ opts = Rex::Parser::Arguments.new(
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# Usage Message Function
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#-------------------------------------------------------------------------------
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def usage
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def usage(opts)
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print_line "Meterpreter Script for Windows Event Log Query and Clear."
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print_line(opts.usage)
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raise Rex::Script::Completed
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@ -34,17 +38,54 @@ end
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# Wrong Meterpreter Version Message Function
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#-------------------------------------------------------------------------------
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def wrong_meter_version(meter = meter_type)
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print_error("#{meter} version of Meterpreter is not supported with this Script!")
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print_error("#{meter} version of Meterpreter is not supported with this script!")
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raise Rex::Script::Completed
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end
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# Function for Enumerating EventLogs
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#-------------------------------------------------------------------------------
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def info_evt()
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def get_log_details
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logs_detail = Array.new
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eventlog_list.each do |log_name|
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# Create a hash to store the log info in (and throw default info in)
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log_detail = Hash.new
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log_detail[:name] = log_name
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log_detail[:retention] = "Disabled"
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log_detail[:size] = 0
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log_detail[:number_of_records] = 0
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key = "HKLM\\SYSTEM\\CurrentControlSet\\Services\\"
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if @client.sys.config.sysinfo['OS'] =~ /Windows 2003|.Net|XP|2000/
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key = "#{key}Eventlog"
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else
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key = "#{key}eventlog"
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end
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begin
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unless (registry_getvaldata("#{key}\\#{log_name}","Retention") == 0) then log_detail[:retention] = "Disabled" end
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log_detail[:size] = registry_getvaldata("#{key}\\#{log_name}","MaxSize")
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# Open the event log
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eventlog = @client.sys.eventlog.open(log_name)
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log_detail[:num_of_records] = eventlog.length
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rescue
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log_detail[:num_of_records] = "Access Denied"
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end
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logs_detail << log_detail
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end
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return logs_detail
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end
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# Function for Printing Event Log Details
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#-------------------------------------------------------------------------------
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def print_log_details
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print_status("Retriving Event Log Configuration")
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ret = "Enabled"
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size = 0
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record_num = 0
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tbl = Rex::Ui::Text::Table.new(
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'Header' => "Event Logs on System",
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'Indent' => 1,
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@ -52,39 +93,27 @@ def info_evt()
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[
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"Name",
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"Retention",
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"Maximun Size",
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"Maximum Size",
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"Records"
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])
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eventlog_details = get_log_details
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eventlog_list.each do |en|
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key = "HKLM\\SYSTEM\\CurrentControlSet\\Services\\"
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if @client.sys.config.sysinfo['OS'] =~ /Windows 2003|.Net|XP|2000/
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key = "#{key}Eventlog"
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else
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key = "#{key}eventlog"
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end
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begin
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if registry_getvaldata("#{key}\\#{en}","Retention") == 0
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ret = "Disable"
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end
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size = registry_getvaldata("#{key}\\#{en}","MaxSize")
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log = client.sys.eventlog.open(en)
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record_num = log.length
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rescue
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record_num = "Access Denied"
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end
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tbl << [en,ret,"#{size}K",record_num]
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eventlog_details.each do |log_detail|
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tbl << [log_detail[:name],log_detail[:retention],"#{log_detail[:size]}K",log_detail[:num_of_records]]
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end
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print_line("\n" + tbl.to_s + "\n")
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end
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# Function for doings queries of EventLogs
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#-------------------------------------------------------------------------------
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def list_logs(event_name,filter,logs,sup_print)
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def list_logs(eventlog_name,filter,filter_string,logs,local_log,sup_print)
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begin
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event_data = ""
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csv_data = "EventID,Date,Data\n"
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log = client.sys.eventlog.open(event_name)
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log = @client.sys.eventlog.open(eventlog_name)
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log.each_backwards do |e|
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if e.eventid.to_s =~ /#{filter}/
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if not sup_print
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@ -99,104 +128,124 @@ def list_logs(event_name,filter,logs,sup_print)
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end
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print_status
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end
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csv_data << "#{e.eventid},#{e.generated},\"#{event_data}\"\n"
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event_data = ""
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csv_data << "#{e.eventid},#{e.generated},\"#{event_data}\"\n"
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event_data = ""
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end
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end
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rescue
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print_error("Failed to Open Event Log #{event_name}")
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print_error("Failed to Open Event Log #{eventlog_name}")
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raise Rex::Script::Completed
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end
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log_file = File.join(logs, "#{event_name}.csv")
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print_good("CSV File saved to #{log_file}")
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file_local_write(log_file,csv_data)
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if local_log
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log_file = File.join(logs, "#{eventlog_name}.csv")
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print_good("CSV File saved to #{log_file}")
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file_local_write(log_file,csv_data)
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end
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end
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# Function for clearing EventLogs
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#-------------------------------------------------------------------------------
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def evt_clear(evt)
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evntlog = []
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if evt.nil?
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evntlog = eventloglist
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def clear_logs(log_name=nil)
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log_names = []
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if log_name.nil?
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log_names = eventlog_list
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else
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evntlog << evt
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log_names << log_name
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end
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evntlog.each do |e|
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log_names.each do |name|
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begin
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print_status("Clearing #{e}")
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log = client.sys.eventlog.open(e)
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log.clear
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print_status("Event Log #{e} Cleared!")
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print_status("Clearing #{name}")
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event_log = @client.sys.eventlog.open(name)
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event_log.clear
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print_status("Event Log #{name} Cleared!")
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rescue
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print_error("Failed to Clear #{e}, Access Denied")
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print_error("Failed to Clear #{name}, Access Denied")
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end
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end
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return evntlog
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return log_names
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end
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################## Main ##################
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opts.parse(args) { |opt, idx, val|
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case opt
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when "-h"
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usage
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when "-i"
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info_evt
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raise Rex::Script::Completed
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when "-f"
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filter = val
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when "-e"
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eventlog_list.each do |en|
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if en.downcase == val.downcase
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event_name = en
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when "-h"
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usage(opts)
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when "-i"
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print_logs = true
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print_log_details
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raise Rex::Script::Completed
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when "-c"
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clear_logs = true
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eventlog_name = val
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when "-l"
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list_logs = true
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eventlog_name = val
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when "-f"
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filter = val
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when "-s"
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local_log = true
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if File.directory?(val)
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local_log_path = val
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else
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print_error("Log folder #{val} does not exist!")
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raise Rex::Script::Completed
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end
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end
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if not event_name
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print_error("Eventlog Name Not Found!")
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raise Rex::Script::Completed
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end
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when "-l"
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if File.directory?(val)
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log_path = val
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else
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print_error("Log folder #{val} does not exist!")
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raise Rex::Script::Completed
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end
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when "-c"
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clear_evt = true
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when "-s"
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supress_print = true
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when "-p"
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supress_print = true
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end
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}
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# Check for Version of Meterpreter
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wrong_meter_version(meter_type) if meter_type !~ /win32|win64/i
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if event_name
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# Print usage & exit if the user didn't specify an action
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# to default to just running for all logs)
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if !list_logs and !clear_logs and !print_logs
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usage(opts)
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end
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# Log Folder Creation
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#-----------------------------------------------------------------------
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#Get Hostname
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host = @client.sys.config.sysinfo["Computer"]
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# Log Folder Creation
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#-----------------------------------------------------------------------
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#Get Hostname
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host = @client.sys.config.sysinfo["Computer"]
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# Create Filename info to be appended to downloaded files
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filenameinfo = "_" + ::Time.now.strftime("%Y%m%d.%M%S")
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# Create Filename info to be appended to downloaded files
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filenameinfo = "_" + ::Time.now.strftime("%Y%m%d.%M%S")
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# Create a directory for the logs
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if log_path
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logs = ::File.join(log_path, host + filenameinfo )
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# Create a directory for any local logging if the user desires
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if local_log
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if local_log_path
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logs = ::File.join(local_log_path, host + filenameinfo )
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else
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logs = ::File.join(Msf::Config.log_directory, "scripts", 'event_manager', host + filenameinfo )
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end
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# Create the log directory
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::FileUtils.mkdir_p(logs)
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#-----------------------------------------------------------------------
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end
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if not clear_evt
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list_logs(event_name,filter,logs,supress_print)
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# List the logs if the user desires
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if list_logs
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if eventlog_name
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list_logs(eventlog_name,filter,filter_string,logs,local_log,supress_print)
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else
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evt_clear(event_name)
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eventlog_list.each { |eventlog_name|
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print_status eventlog_name + ": "
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list_logs(eventlog_name,filter,filter_string,logs,local_log,supress_print)
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}
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end
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else
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usage
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end
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# Finally, clear the specified logs if the user desires
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if clear_logs
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if eventlog_name
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clear_logs(eventlog_name)
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else
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eventlog_list.each { |eventlog_name|
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print_status eventlog_name + ": "
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clear_logs(eventlog_name)
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}
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end
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end
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