Script to Alert Clock Drifting Monitor

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Release Time

08/29/2022

Downloads

386 times

Update Time

11/18/2024

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Script monitroing Comodo Client Communication

This script raise an alert if the device time is mismatch to the current time.

Run the script as custom monitoring
https://wiki.comodo.com/frontend/web/topic/how-to-use-custom-script-procedure-monitoring

Procedure's Instructions

#To define a particular parameter, replace the 'parameterName' inside itsm.getParameter('parameterName') with that parameter's name
import os
import sys

def alert(arg):
    sys.stderr.write("%d%d%d" % (arg, arg, arg))

ps_content=r'''

function Get-NtpTime {
    Param (
        [Parameter(Mandatory = $true)]$NTPServer
    )
    $success = $true
    $return = $false

$ntpdata = New-Object Byte[] 48
    $ntpdata[0] = 27
    $socket = New-Object Net.Sockets.Socket('InterNetwork','Dgram','Udp')
    $socket.SendTimeout = 2000
    $socket.ReceiveTimeout = 2000
    $socket.Connect($NTPServer,123)

Try {
        $null = $socket.Send($ntpdata)
        $null = $socket.Receive($ntpdata)
    } Catch {
        $success = $false
    }
    $socket.Shutdown('Both')
    $socket.Close()
    If ($success) {
        $seconds = [BitConverter]::ToUInt32($ntpdata[43..40],0)
        $return = ([datetime]'1/1/1900').AddSeconds($seconds).ToLocalTime()
    }
    return $return
}

$curtime = Get-Date
$ntptime = Get-NtpTime -NTPServer 'time.windows.com'
$difference = $curtime - $ntptime
Write-Host $difference.Minutes

'''

def ecmd(command):
    import ctypes
    from subprocess import PIPE, Popen
    
    class disable_file_system_redirection:
        _disable = ctypes.windll.kernel32.Wow64DisableWow64FsRedirection
        _revert = ctypes.windll.kernel32.Wow64RevertWow64FsRedirection
        def __enter__(self):
            self.old_value = ctypes.c_long()
            self.success = self._disable(ctypes.byref(self.old_value))
        def __exit__(self, type, value, traceback):
            if self.success:
                self._revert(self.old_value)
    
    with disable_file_system_redirection():
        obj = Popen(command, shell = True, stdout = PIPE, stderr = PIPE)
    out, err = obj.communicate()
    ret=obj.returncode
    if ret==0:
        if out:
            return out
        else:
            return ret
    else:
        if err:
            return err.strip()
        else:
            return ret

file_name='powershell_file.ps1'
file_path=os.path.join(os.environ['TEMP'], file_name)
with open(file_path, 'wb') as wr:
    wr.write(ps_content)

ecmd('powershell "Set-ExecutionPolicy RemoteSigned"')
value = ecmd('powershell "%s"'%file_path)
print value
if int(value) != 0:
    alert(1)
    print "Clock Drifting %s Minutes"%value
else:
    alert(0)
    print "No Clock Drifting"

os.remove(file_path)

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Script to Alert Clock Drifting Monitor

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