Class: Risu::Base::PostProcessBase

Inherits:
Object
  • Object
show all
Defined in:
lib/risu/base/post_process_base.rb

Direct Known Subclasses

Parsers::Nessus::PostProcess::AbobeCreativeCloudDesktopRollup, Parsers::Nessus::PostProcess::AdobeAcrobat, Parsers::Nessus::PostProcess::AdobeAir, Parsers::Nessus::PostProcess::AdobeColdfusionPatchRollup, Parsers::Nessus::PostProcess::AdobeFlashPlayer, Parsers::Nessus::PostProcess::AdobeReader, Parsers::Nessus::PostProcess::AdobeShockwavePlayer, Parsers::Nessus::PostProcess::Apache, Parsers::Nessus::PostProcess::ApacheTomcatRollups, Parsers::Nessus::PostProcess::AppleICloudRollup, Parsers::Nessus::PostProcess::AppleQuicktime, Parsers::Nessus::PostProcess::AppleiTunesPatchRollup, Parsers::Nessus::PostProcess::ArtifexGhostscriptRollup, Parsers::Nessus::PostProcess::BlackBerryEnterpriseServerRollups, Parsers::Nessus::PostProcess::CABrightstorArcServe, Parsers::Nessus::PostProcess::CiscoAnyConnectPatchRollup, Parsers::Nessus::PostProcess::CiscoIOSPatchRollup, Parsers::Nessus::PostProcess::CiscoTelepresenceRollup, Parsers::Nessus::PostProcess::CoreFTP, Parsers::Nessus::PostProcess::DB2, Parsers::Nessus::PostProcess::DellIDracRollup, Parsers::Nessus::PostProcess::DowngradePlugins, Parsers::Nessus::PostProcess::DropbearSSHServerPatchRollup, Parsers::Nessus::PostProcess::ESXi, Parsers::Nessus::PostProcess::FileZillaClient, Parsers::Nessus::PostProcess::FirefoxRollups, Parsers::Nessus::PostProcess::Flexnet, Parsers::Nessus::PostProcess::FoxitPhantomPDFPatchRollup, Parsers::Nessus::PostProcess::FoxitReaderRollups, Parsers::Nessus::PostProcess::GoogleChrome, Parsers::Nessus::PostProcess::HPSystemMgtHomePage, Parsers::Nessus::PostProcess::ILoRollup, Parsers::Nessus::PostProcess::IntelMgtServerPatchRollup, Parsers::Nessus::PostProcess::IrfanViewPatchRollup, Parsers::Nessus::PostProcess::Java, Parsers::Nessus::PostProcess::LibreOfficePatchRollup, Parsers::Nessus::PostProcess::MicrosoftOfficeRollup, Parsers::Nessus::PostProcess::MicrosoftVisualStudioRollup, Parsers::Nessus::PostProcess::MicrosoftWindowsPatches, Parsers::Nessus::PostProcess::MongoDBRollup, Parsers::Nessus::PostProcess::MozzilaThunderbirdPatchRollup, Parsers::Nessus::PostProcess::NormalizePluginNames, Parsers::Nessus::PostProcess::OpenOfficePatchRollup, Parsers::Nessus::PostProcess::OpenSSHRollups, Parsers::Nessus::PostProcess::OpenSSLRollups, Parsers::Nessus::PostProcess::OracleDatabase, Parsers::Nessus::PostProcess::PHP, Parsers::Nessus::PostProcess::PuTTYRollup, Parsers::Nessus::PostProcess::RealPlayerPatchRollup, Parsers::Nessus::PostProcess::RiskScore, Parsers::Nessus::PostProcess::RootCauses, Parsers::Nessus::PostProcess::SambaRollup, Parsers::Nessus::PostProcess::ServU, Parsers::Nessus::PostProcess::SevenZipPatchRollup, Parsers::Nessus::PostProcess::SigPlusPro, Parsers::Nessus::PostProcess::SkypePatchRollup, Parsers::Nessus::PostProcess::SolarWindsDameWareRollup, Parsers::Nessus::PostProcess::SymantecEndpointPatchRollup, Parsers::Nessus::PostProcess::SymantecPcAnywhereRollups, Parsers::Nessus::PostProcess::TenableNessusRollup, Parsers::Nessus::PostProcess::TimbuktuProPatchRollup, Parsers::Nessus::PostProcess::VLCRollups, Parsers::Nessus::PostProcess::VMwarePlayer, Parsers::Nessus::PostProcess::VMwareVCenter, Parsers::Nessus::PostProcess::VmwareVsphereClientRollups, Parsers::Nessus::PostProcess::WinSCP, Parsers::Nessus::PostProcess::Wireshark

Class Attribute Summary collapse

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Class Attribute Details

.possible_postprocesses ⇒ Object (readonly)

Returns the value of attribute possible_postprocesses.



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# File 'lib/risu/base/post_process_base.rb', line 30

def possible_postprocesses
  @possible_postprocesses
end

Instance Attribute Details

#info ⇒ Object

Returns the value of attribute info.



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# File 'lib/risu/base/post_process_base.rb', line 34

def info
  @info
end

Class Method Details

.inherited(child) ⇒ Object 



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# File 'lib/risu/base/post_process_base.rb', line 37

def self.inherited child
  possible_postprocesses << child
end

Instance Method Details

#<=>(other) ⇒ Object 



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# File 'lib/risu/base/post_process_base.rb', line 52

def <=> other
  if self.info[:plugin_id] < other.info[:plugin_id]
    -1
  elsif self.info[:plugin_id] > other.info[:plugin_id]
    1
  else
    0
  end
end

#==(other) ⇒ Object 



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# File 'lib/risu/base/post_process_base.rb', line 41

def == other

  if self.info == nil || self.info[:plugin_id] == nil
    false
  elsif other == nil || other.info == nil || other.info[:plugin_id] == nil
    false
  else
    self.info[:plugin_id] == other.info[:plugin_id]
  end
end

#calculate_severity(current_severity, severity) ⇒ Object 



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# File 'lib/risu/base/post_process_base.rb', line 189

def calculate_severity current_severity, severity
  if severity > current_severity
    return severity
  else
    return current_severity
  end
end

#create_item(host_id, severity) ⇒ Object 



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# File 'lib/risu/base/post_process_base.rb', line 165

def create_item host_id, severity
  item = Item.new

    item.host_id = host_id
    item.plugin_id = @info[:plugin_id]
    item.plugin_output = nil
    item.port = 0
    item.severity = severity
    item.plugin_name = @info[:item_name]
    item.rollup_finding = true

  item.save
end

#create_plugin ⇒ Object

Create a plugin based on a combination of all plugins to be rolled up.



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# File 'lib/risu/base/post_process_base.rb', line 64

def create_plugin

  plugin = Plugin.find_by_id(@info[:plugin_id])

  if plugin == nil
    plugin = Plugin.new
  end

  # Populate items from post process module
  plugin.id = @info[:plugin_id]
  plugin.plugin_name = @info[:plugin_name]
  plugin.description = @info[:description]
  plugin.plugin_version = @info[:version]
  plugin.plugin_publication_date = @info[:publication_date]
  plugin.plugin_modification_date = @info[:modification_date]

  # Boiler plate for all roll up plugins
  plugin.family_name = "Risu Rollup Plugins"
  plugin.synopsis = "Software often has vulnerabilities that are corrected in newer versions. It was determined that an older version of the software is installed on this system."
  plugin.solution = "If possible, update to the latest version of the software."
  plugin.plugin_type = "Rollup"
  plugin.rollup = true
  plugin.compliance = false

  # Find oldest vuln date.
  begin
    p = Plugin.where(:id => @info[:plugin_ids]).where.not(:vuln_publication_date => nil).order(:vuln_publication_date).first
    unless p.nil?
      plugin.vuln_publication_date = p.vuln_publication_date
    end
  end

  begin
    p = Plugin.where(:id => @info[:plugin_ids]).where.not(:cvss_base_score => nil).order(:cvss_base_score).last
    unless p.nil?
      plugin.cvss_base_score = p.cvss_base_score
      plugin.cvss_vector = p.cvss_vector
    end
  end

  begin
    p = Plugin.where(:id => @info[:plugin_ids]).where.not(:cvss_temporal_score => nil).order(:cvss_temporal_score).last
    unless p.nil?
      plugin.cvss_temporal_score = p.cvss_temporal_score
      plugin.cvss_temporal_vector = p.cvss_temporal_vector
    end
  end

  if Plugin.where(:id => @info[:plugin_ids], :exploit_available => true).count > 0
    plugin.exploit_available = true
  end

  if Plugin.where(:id => @info[:plugin_ids], :exploit_framework_core => "true").count > 0
    plugin.exploit_framework_core = true
  end

  if Plugin.where(:id => @info[:plugin_ids], :exploit_framework_metasploit => "true").count > 0
    plugin.exploit_framework_metasploit = true
  end

  if Plugin.where(:id => @info[:plugin_ids], :exploit_framework_canvas => "true").count > 0
    plugin.exploit_framework_canvas = true
  end

  if Plugin.where(:id => @info[:plugin_ids], :exploit_framework_exploithub => "true").count > 0
    plugin.exploit_framework_exploithub = true
  end

  if Plugin.where(:id => @info[:plugin_ids], :exploit_framework_d2_elliot => "true").count > 0
    plugin.exploit_framework_d2_elliot = true
  end

  if Plugin.where(:id => @info[:plugin_ids], :in_the_news => true).count > 0
    plugin.in_the_news = true
  end

  if Plugin.where(:id => @info[:plugin_ids], :exploited_by_malware => "true").count > 0
    plugin.exploited_by_malware = true
  end

  ["Critical", "High", "Medium", "Low", "Info"].each do |risk|
    if Plugin.where(:id => @info[:plugin_ids], :risk_factor => risk).size > 0
      plugin.risk_factor = risk
      break
    end
  end

  begin
    p = Plugin.where(:id => @info[:plugin_ids]).where.not(:stig_severity => nil).order(:stig_severity).first
    unless p.nil?
      plugin.stig_severity = p.stig_severity
    end
  end

  # Broken
  #plugin.references << References.where(:plugin_id => @info[:plugin_ids], :reference_name => "cve")

  plugin.save
end

#has_findings ⇒ Object 



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# File 'lib/risu/base/post_process_base.rb', line 180

def has_findings
  Item.where(:plugin_id => @info[:plugin_ids]).count > 0
end

#has_host_findings(host_id) ⇒ Object 



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# File 'lib/risu/base/post_process_base.rb', line 184

def has_host_findings(host_id)
  Item.where(:plugin_id => @info[:plugin_ids]).where(:host_id => host_id).count > 0
end

#run ⇒ Object 



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# File 'lib/risu/base/post_process_base.rb', line 198

def run
  if !has_findings()
    return
  end

  # If this is a "roll up" post-process, create a plugin
  if Plugin.where(:id => @info[:plugin_ids]).count > 0
    create_plugin()
  end

  finding_severity = 0

  Host.all.each do |host|
    if !has_host_findings(host.id)
      next
    end

    # Downgrade Nessus findings to -1, to replace with rollup
    @info[:plugin_ids].each do |plugin_id|
      Item.where(:plugin_id => plugin_id).each do |item|

        severity = item.severity
        item.real_severity = severity
        item.severity = -1
        item.save

        finding_severity = calculate_severity(finding_severity, severity)
      end
    end

    create_item(host.id, finding_severity)
  end
end