# Copyright (c) 2010 Flowerfire, Inc.  All Rights Reserved.
inter_scan_viruswall = {

  plugin_version = "1.1.1"

  # 2006-07-18 - GMF - Added support for http messages; cleaned up.
  # 2010-12-29 - 1.0.1 - MSG - Edited info lines.

  info.1.manfacturer = "Trend Micro"
  info.1.device = "InterScan Viruswall"
  info.1.version.1 = ""

  # The name of the log format
  log.format.format_label = "InterScan Viruswall Log Format"
  log.miscellaneous.log_data_type = "generic"  
  log.miscellaneous.log_format_type = "network_device"

  # The log is in this format if any of the first ten lines match this regular expression
  log.format.autodetect_regular_expression = "^[0-9]+/[0-9]+/[0-9]+ [0-9]+:[0-9]+:[0-9]+ (I[sS][cC][aA][nN]-|http)"

  # All log field parsing will be done using the parsing filters
  log.format.parse_only_with_filters = "true"

  # Log fields
  log.fields = {

    date = ""
    time = ""
    service = ""
    source_ip.type = "host"
    operation = ""

    url = {
      type = "page"
      hierarchy_dividers = "/?"
      left_to_right = true
      leading_divider = "true"
    } # url

    protocol = ""

    sender = {
      type = "hierarchical"
      hierarchy_dividers = "@"
      left_to_right = false
      leading_divider = "false"
    } # sender

    recipient = {
      type = "hierarchical"
      hierarchy_dividers = "@"
      left_to_right = false
      leading_divider = "false"
    } # sender

    nrcpts = ""

    http_events = ""
    messages_delivered = ""
    size = ""

  } # log.fields


  log.parsing_filters.parse = `
if (matches_regular_expression(current_log_line(), '^([0-9]+/[0-9]+/[0-9]+) ([0-9]+:[0-9]+:[0-9]+) (.*)$')) then (
  set_collected_field('', 'date', $1);
  set_collected_field('', 'time', $2);
  v.message = $3;

  # Handle ISCAN lines
  if (matches_regular_expression(v.message, '^I[Ss][Cc][Aa][Nn]-([a-z0-9]+)\\\\[[0-9]+\\\\]: (.*)$')) then (
    set_collected_field('', 'service', $3);
    v.message = $2;
    if (matches_regular_expression(v.message, '^([0-9.]+)->([A-Z]*) (http://[^ ]+) ([A-Z]+/[0-9.]+)$')) then (
      set_collected_field('', 'source_ip', $1);
      set_collected_field('', 'operation', $2);
      set_collected_field('', 'url', $3);
      set_collected_field('', 'protocol', $4);
      set_collected_field('', 'http_events', 1);
      accept_collected_entry('', false);
    );
    else if (matches_regular_expression(v.message, '^([0-9.]+) ([A-Z]*) (http://.*)$')) then (
      set_collected_field('', 'source_ip', $1);
      set_collected_field('', 'operation', $2);
      set_collected_field('', 'url', $3);
      set_collected_field('', 'http_events', 1);
      accept_collected_entry('', false);
    );
    else if (matches_regular_expression(v.message, '^Message from: <([^>]*)>')) then (
      set_collected_field('', 'sender', $1);
      set_collected_field('', 'messages_delivered', 1);
      accept_collected_entry('', false);
    );
    else if (matches_regular_expression(v.message, '^Message to: <([^>]*)>')) then (
      set_collected_field('', 'recipient', $1);
      set_collected_field('', 'messages_delivered', 1);
      accept_collected_entry('', false);
    );
  );

  # Handle smtp lines
  # e.g., 07/16/2006 00:01:03 smtp[4104]: smtp[32]: msgid <SPORKLUST-894930-2138672-2006.07.15-06.53.36--bob_jones#site.com.uk@echo.sporklust.edu> from 61.32.17.234 : size=15499, sender=bounce-value-89434930@echo.sporklust.com, nrcpts=1
  else if (matches_regular_expression(v.message, '^(smtp)\\\\[([0-9]+)\\\\]: smtp\\\\[[0-9]+\\\\]: (.*)$')) then (

    v.key = $2;    
    set_collected_field(v.key, 'date', get_collected_field('', 'date'));
    set_collected_field(v.key, 'time', get_collected_field('', 'time'));
    set_collected_field('', 'service', $1);
    v.message = $3;
    if (matches_regular_expression(v.message, '^msgid <([^>]+)> from ([^ ]+) : size=([0-9]+), sender=([^,]+), nrcpts=([0-9]+)')) then (
      set_collected_field(v.key, 'msgid', $1);
      set_collected_field(v.key, 'source_ip', $2);
      set_collected_field(v.key, 'size', $3);
      set_collected_field(v.key, 'sender', $4);
      set_collected_field(v.key, 'nrcpts', $5);
    );
    if (matches_regular_expression(v.message, '^mail delivered from ([^ ]+) to ([^ ]+)')) then (
      v.recipient = $2;
      set_collected_field(v.key, 'sender', $1);

      if (matches_regular_expression(v.recipient, '^<(.*)>$')) then
        v.recipient = $1;
      set_collected_field(v.key, 'recipient', v.recipient);

      set_collected_field(v.key, 'messages_delivered', 1);
      accept_collected_entry(v.key, false);
    );

  ); # if smtp

  # Handle http lines
  # e.g., 07/16/2006 00:01:03 http[4081]: connection from 23.33.12.123, "POST http://desktop.somewhere.com.au/dir/abc/filename.txt HTTP/1.0"
  else if (matches_regular_expression(v.message, '^(http)\\\\[[0-9]+\\\\]: connection from ([^,]+), "([A-Z]+) ([^ ]+) ([^"]+)"$')) then (
    set_collected_field('', 'service', $1);
    set_collected_field('', 'source_ip', $2);
    set_collected_field('', 'operation', $3);
    set_collected_field('', 'url', $4);
    set_collected_field('', 'protocol', $5);
    set_collected_field('', 'http_events', 1);
    accept_collected_entry('', false);
  );

);
`


  # Database fields
  database.fields = {

    date_time = ""
    day_of_week = ""
    hour_of_day = ""
    source_ip = ""
    domain_description = ""
    location = ""
    url = ""
    file_type = ""
    worm = ""
    protocol = ""
    operation = ""
    service = ""
    sender = ""
    recipient = ""

  } # database.fields


  database.numerical_fields = {

    http_events = ""

    messages_delivered = ""

    unique_source_ips = {
      log_field = "source_ip"
      type = "unique"
    } # unique_source_ips

    nrcpts = ""

    size = {
      type = "float"
      display_format_type = "bandwidth"
    }

  } # database.numerical_fields


  create_profile_wizard_options = {

    # How the reports should be grouped in the report menu
    report_groups = {
      date_time_group = ""
      content_group = {
        url = true
        worm = true
        file_type = true
      }
      users_group = {
        source_ip = true
        domain_description = true
        location = true
        sender = true
        recipient = true
      }
      other_group = {
        protocol = true
        operation = true
        service = true
      }
    } # report_groups

  } # create_profile_wizard_options

} # inter_scan_viruswall