--
-- (C) 2019-24 - ntop.org
--
-- ##############################################
local flow_alert_keys = require "flow_alert_keys"
-- Import the classes library.
local classes = require "classes"
-- Make sure to import the Superclass!
local alert = require "alert"
-- Import Mitre Att&ck utils
local mitre = require "mitre_utils"

-- ##############################################

local alert_unexpected_smtp_server = classes.class(alert)

-- ##############################################

alert_unexpected_smtp_server.meta = {
    alert_key = flow_alert_keys.flow_alert_unexpected_smtp_server,
    i18n_title = "flow_alerts_explorer.alert_unexpected_smtp_title",
    icon = "fas fa-fw fa-exclamation",

    -- Mitre Att&ck Matrix values
    mitre_values = {
        mitre_tactic = mitre.tactic.c_and_c,
        mitre_technique = mitre.technique.app_layer_proto,
        mitre_sub_technique = mitre.sub_technique.mail_protocol,
        mitre_id = "T1071.003"
    },

    has_attacker = true
}

-- ##############################################

function alert_unexpected_smtp_server:init()
    -- Call the parent constructor
    self.super:init()
end

-- #######################################################

function alert_unexpected_smtp_server.format(ifid, alert, alert_type_params)
    return (i18n("flow_alerts_explorer.status_unexpected_smtp_description", {
        server = hostinfo2label({
            ip = alert.srv_ip,
            vlan = alert.vlan_id,
            name = alert.srv_name
        }, true, false, true)
    }))
end

-- #######################################################

return alert_unexpected_smtp_server
