ntopng/scripts/lua/modules/alert_definitions/alert_suspicious_file_transfer.lua

73 lines
2.5 KiB
Lua

--
-- (C) 2019-20 - ntop.org
--
-- ##############################################
local alert_keys = require "alert_keys"
package.path = dirs.installdir .. "/scripts/lua/modules/?.lua;" .. package.path
local status_keys = require "flow_keys"
-- Import the classes library.
local classes = require "classes"
-- Make sure to import the Superclass!
local alert = require "alert"
-- ##############################################
local alert_suspicious_file_transfer = classes.class(alert)
-- ##############################################
alert_suspicious_file_transfer.meta = {
status_key = status_keys.ntopng.status_suspicious_file_transfer,
alert_key = alert_keys.ntopng.alert_suspicious_file_transfer,
i18n_title = "alerts_dashboard.suspicious_file_transfer",
icon = "fas fa-file-download",
}
-- ##############################################
-- @brief Prepare an alert table used to generate the alert
-- @param one_flow_param The first alert param
-- @param another_flow_param The second alert param
-- @return A table with the alert built
function alert_suspicious_file_transfer:init(http_info)
-- Call the parent constructor
self.super:init()
self.alert_type_params = http_info
end
-- #######################################################
-- @brief Format an alert into a human-readable string
-- @param ifid The integer interface id of the generated alert
-- @param alert The alert description table, including alert data such as the generating entity, timestamp, granularity, type
-- @param alert_type_params Table `alert_type_params` as built in the `:init` method
-- @return A human-readable string
function alert_suspicious_file_transfer.format(ifid, alert, alert_type_params)
local res = i18n("alerts_dashboard.suspicious_file_transfer")
if alert_type_params and alert_type_params["protos.http.last_url"] then
local type_icon = ''
local extn = alert_type_params["protos.http.last_url"]:sub(-4):lower()
if extn == ".php" or extn == ".js" or extn == ".html" or extn == ".xml" or extn == ".cgi" then
type_icon = '<i class="fas fa-file-code"></i>'
elseif extn == ".png" or extn == ".jpg" then
type_icon = '<i class="fas fa-file-image"></i>'
end
res = i18n("alerts_dashboard.suspicious_file_transfer_url",
{url = shortenString(alert_type_params["protos.http.last_url"], 64),
type_icon = type_icon})
end
return res
end
-- #######################################################
return alert_suspicious_file_transfer