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Hi all,

I am working on a GUI program to update Google's Dynamic DNS (API at https://support.google.com/domains/answer/6147083?authuser=1&hl=en if you scroll to bottom). I am not a programmer by any means - just a sysadmin who has picked up on some things along the way. I am sure that there's better ways to do a lot of things in this script; I'm just going with what I know.

My challenge right now is that I'd like a better way to store the credentials both in memory as well as in system registry or INI file (not sure which way I want to go for local storage). How should I convert the passwords to a secure string in a manner that can't be easily reversed, yet is still accessible to the script? Is that even an option in AutoIt?

Can anybody provide me with links to good reference posts, or coding suggestions for how best to achieve this in the script below? I am using the WinHTTP UDF (https://github.com/dragana-r/autoit-winhttp/releases) to make my API calls.


DIM $aDomainList[1][4]
$aDomainList[0][0] = 0

$gMainGUI = GUICreate("Overkill's Google DNS Updater",800,800)

    $gDomainLabel = GUICtrlCreateLabel("FQDN",21,8)
    $gDomainInput = GUICtrlCreateInput("",60,5,300)

    $gUserLabel = GUICtrlCreateLabel("Username",5,36)
    $gUserInput = GUICtrlCreateInput("",60,32,130,Default,BitOR($GUI_SS_DEFAULT_INPUT,$ES_PASSWORD))

    $gPasswordLabel = GUICtrlCreateLabel("Password",6,64)
    $gPassInput = GUICtrlCreateInput("",60,60,130,Default,BitOR($GUI_SS_DEFAULT_INPUT,$ES_PASSWORD))

    $gAddButton = GUICtrlCreateButton("ADD DOMAIN",200,31,160,52)

    $gCurrentIP = GUICtrlCreateLabel("Current IP: " & _CheckIP(),5,780)

    $gDomainList = GUICtrlCreateListView("Domain | Resolved IP | Update Status",5,120,600,600)


while 1

    $m = GUIGetMsg()
    IF $M = $GUI_EVENT_CLOSE then Exit

    IF $M = $gAddButton Then
        $sAddDomain = GUICtrlRead($gDomainInput)
        $sAddUser = GUICtrlRead($gUserInput)
        $sAddPass = GUICtrlRead($gPassInput)
        $sResolveIP = _DNSCheck($sAddDomain)

        ;Google wants you to avoid sending updates when there are no changes
        If StringCompare($sResolveIP,_CheckIP()) = 0 Then
            $sStatus = "No change, not sending update"
            $sStatus = _DNSUpdate($sAddDomain,$sAddUser,$sAddPass)

        ;Check to make sure all fields are completed before continuing
        IF StringLen($sAddDomain) = 0 OR StringLen($sAddUser) = 0 OR StringLen($sAddPass) = 0 Then

            MsgBox(0,"","Please complete all fields")

        Else ; If the fields all have data, then continue

            ;Check to see if the entry exists in the array already
            $iSanity = _ArraySearch($aDomainList,$sAddDomain)

            IF $iSanity = 0 Then
                _ArrayAdd($aDomainList,$sAddDomain & "|" & $sAddUser & "|" & $sAddPass )
                    If @error = 0 Then
                        $aDomainList[0][0] += 1
                        $aDomainList[$aDomainList[0][0]][3] = GUICtrlCreateListViewItem($sAddDomain & "|" & $sResolveIP & "|" & $sStatus,$gDomainList)
                        MsgBox(0,"","Error adding input to list")
            Else ; If $iSanity <> 0
                    ; Update existing info in array and listviewitem
                    $aDomainList[$iSanity][0] = $sAddDomain
                    $aDomainList[$iSanity][1] = $sAddUser
                    $aDomainList[$iSanity][2] = $sAddPass
                    GUICtrlSetData($aDomainList[$iSanity][3],$sAddDomain & "|" & $sResolveIP & "|" & $sStatus)
            EndIf ; If $iSanity = 0

        EndIf ; If StringLen...

    EndIf ; If $m = $gaddbutton



Func _DNSCheck($sFQDN)
    $sJSON = _INetGetSource("https://dns.google.com/resolve?name=" & $sFQDN & "&cd=1")
    ConsoleWrite($sJSON & @CRLF)
    $sIPAddress = StringRegExpReplace($sJSON,'^.*data": "(.*?)".*?$',"\1")
    Return $sIPAddress


Func _DNSUpdate($sFQDN,$sUser,$sPass)

    Local $sGoogleAPIURI = "https://domains.google.com"

    Local $hOpen = _WinHttpOpen()
    Local $hConnect = _WinHttpConnect($hOpen, $sGoogleAPIURI)
    Local $sHeader = _
        'Authorization: Basic ' & _Base64Encode($sUser & ":" & $sPass) & @CRLF & _
        'Accept: */*' & @CRLF & _
        'User-Agent: AutoITScript/' & @AutoItVersion & @CRLF & _
        'Content-Type: application/x-www-form-urlencoded'
    Local $aHTTPResponse = _WinHttpSimpleSSLRequest($hConnect, "POST", "/nic/update", Default, "hostname=" & $sFQDN, $sHeader, True, Default, Default, Default, True)


    If IsArray($aHTTPResponse) Then
        $sHTTPResponse = "Header:" & @CRLF & $aHTTPResponse[0] & @CRLF & "Data:" & @CRLF & $aHTTPResponse[1] & @CRLF & @CRLF & @CRLF
        Return $aHTTPResponse[1]
        $sHTTPResponse = "NO REPLY"
        Return "No reply from " & $sGoogleAPIURI



Func _Base64Encode($sData)
    Local $oXml = ObjCreate("Msxml2.DOMDocument")
    If Not IsObj($oXml) Then
        SetError(1, 1, 0)

    Local $oElement = $oXml.createElement("b64")
    If Not IsObj($oElement) Then
        SetError(2, 2, 0)

    $oElement.dataType = "bin.base64"
    $oElement.nodeTypedValue = Binary($sData)
    Local $sReturn = $oElement.Text

    If StringLen($sReturn) = 0 Then
        SetError(3, 3, 0)

    Return $sReturn


Func _CheckIP()
    Return _INetGetSource("https://domains.google.com/checkip")



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  • 7 months later...
  • Moderators

@Overkill unfortunately this has been asked and answered dozens if not hundreds of times on the forum. You are sadly never going to get 100% obfuscation/encryption/etc. from an AutoIt script; any determined person can either decompile the code or pull the contents out of memory fairly easily. If you need 100% security, you are going to have to go with a different language.

That said: if you accept a certain degree of risk, there are a number of threads in which people have talked about different methods they have employed - from storing in an encrypted file and including the file in the script to trying to link up to a remote server for authentication. You can do a forum search and come across these discussions pretty easily; it all boils down to the level of risk you are willing to accept.

Edit: On a Mod note, we typically lock threads that go around and around the subject of obfuscating or encrypting passwords, for the very reason I give above. I am happy at the moment to leave this topic open if others would like to offer suggestions on what they have done. If, however, the Moderation team senses the release of the Oozlum bird, the topic will die quickly.

Edited by JLogan3o13

"Profanity is the last vestige of the feeble mind. For the man who cannot express himself forcibly through intellect must do so through shock and awe" - Spencer W. Kimball

How to get your question answered on this forum!

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In theory you could save the password encrypted, then you program asks for the passcode at startup and the credentials are de-encrypted and used.


Renamer - Rename files and folders, remove portions of text from the filename etc.

GPO Tool - Export/Import Group policy settings.

MirrorDir - Synchronize/Backup/Mirror Folders

BeatsPlayer - Music player.

Params Tool - Right click an exe to see it's parameters or execute them.

String Trigger - Triggers pasting text or applications or internet links on specific strings.

Inconspicuous - Hide files in plain sight, not fully encrypted.

Regedit Control - Registry browsing history, quickly jump into any saved key.

Time4Shutdown - Write the time for shutdown in minutes.

Power Profiles Tool - Set a profile as active, delete, duplicate, export and import.

Finished Task Shutdown - Shuts down pc when specified window/Wndl/process closes.

NetworkSpeedShutdown - Shuts down pc if download speed goes under "X" Kb/s.

IUIAutomation - Topic with framework and examples


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      CodeCrypter is a front-end for the MCF UDF library (you need version 1.3 or later). Its thread is here:
      '?do=embed' frameborder='0' data-embedContent>>
      The MCF package (also contained in the CodeScannerCrypter bundle) contains MCF.au3 (the library itself) plus a little include file called MCFinclude.au3. The latter you have to include in any script you wish to encrypt. Any code preceding it will not be encrypted, any code following it will be encrypted. You define the dynamic key inside MCFinclude.au3, in the UDF: _MCFCC_Init().
      From the same post you can download an MCF Tutorial which I heartily recommend, because encrypting a script requires a number of steps in the right order, namely:
      In MCFinclude.au3, define and/or choose your dynamic key(s) (skip this step = use default setting) include MCFinclude.au3 in your target script Run CodeScanner (version 2.3+) on your target script, with setting WriteMetaCode=True (see '?do=embed' frameborder='0' data-embedContent>>), then close CodeScanner. Start CodeCrypter press the Source button to load your target file enable Write MCF0 (tick the first option in Main Settings) Enable "Encrypt" (last option in the Main Settings) Go to the Tab Encrypt and set up the encryption the way you want (skip this = use default settings) Return to Main Tab and press "Run" if all goes well, a new script called MCF0test.au3 is created in the same directory as your target. It has no includes and no redundant parts. Please check that it works as normal. (see Remarks if not) It all sounds far more complicated than it is, really.
      Not convinced? Check out:
      a simple HowTo Guide: HowToCodeCrypt.pdf an updated and extended Q & A pdf (FAQ, also included in the bundle) to help you get started:CodeCrypterFAQ.pdf For additional explanations/examples in response to specific questions by forum members (how it works, what it can/cannot do), see elsewhere in this thread, notably:
      Simple analogy of how it works: post #53, second part General Explanation and HowTo: post #9, 51, 75, 185/187, 196, 207, 270, 280 (this gets a bit repetitive) BackTranslation: post #179 Obfuscation: post #36 (general), 49 (selective obfuscation) Specific features and fixes: post #3 (security), 84 (redefining the expected runtime response), 169 (Curl Enum fix), 185/187 (using license keys), 194 (replacing Ward's AES UDF with different encryption/decryption calls), 251 (AV detection issue), 262 (extract key contents to USB on different target machine prior to encryption) Limitations: post #26 (@error/@extended), 149 (FileInstall), 191 (AES.au3 on x64) Not recommended: post #46/249 (static encryption), 102 (programme logic error), 237 (parsing password via cmdline)  
      Technical notes:
      BackTranslation is a test to check that the MetaCode translation worked. Skip it at your peril. It also turns your multi-include composite script into a single portable file without redundant parts (you can opt to leave the redundant parts in, if you want).
      CodeCrypter can also obfuscate (vars and UDF names) and replace strings, variable names and UDF names with anything else you provide, for  example, for language translation). After CodeScanner separates your target's structure from its contents, CodeCrypter (actually MCF, under the hood) can change any part, and then generate a new script from whichever pieces you define. See the MCF Tutorial for more explanation and examples.
      Encryption currently relies on Ward's excellent AES UDF and TheXman's sophisticated CryptoNG bundle. You can replace these with any other algorithm you like (but this is not trivial to do: edit MCFinclude.au3 UDF _MCFCC(), and MCF.au3 UDF _EncryptEntry(), see post #194 in this thread). AES by Ward, and CryptoNG by TheXman are also included in the bundle (with many thanks to Ward and TheXman for graciously allowing me to republish their outstanding work).
      Going to lie down now...
    • By RTFC
      The CodeScannerCrypterBundle (ca. 2.9 MB unzipped) contains the following UDFs and utilities:
      CodeScanner: analyse AutoIt script structure and content, identify potential issues, generate MCF data files CodeCrypter: front-end GUI for the MCF library, for script encryption (without storing the decryption key(s) in the script!) MetaCodeFile UDF (MCF library): for analysis and user-defined alterations of AutoIt script structure and content MCFinclude.au3: #include this UDF in any AutoIt script that you wish CodeCrypter to process CryptoNG, by TheXman; encryption UDF using Bcrypt dll calls (32/64-bit; various algorithms) StoreCCprofile.au3/readCSdatadump.au3/helloworld.au3: auxiliary utilities and example script HowToCodeCrypt.pdf: a simple guide in five steps CodeCrypterFAQ.pdf: questions and answers, partly based upon exchanges in the CodeCrypter thread. MetaCodeTutorial.pdf: the MCF engine explained; useful for encryption, GUI translation, code translation, and much more... Please follow the links for additional information.
    • By izmegna
      I am trying to auto login to web app that has the following HTML for the username, password and submit button:
      <input name="usernameField" tabindex="0" class="inp" id="usernameField" type="text" value="" message="FND_SSO_USER_NAME">
      <input name="passwordField" tabindex="0" class="inp" id="passwordField" type="password" value="" message="FND_SSO_PASSWORD">
      <button tabindex="0" class="OraButton left" style="padding-right: 6px; padding-left: 6px;" onclick="submitCredentials()" message="FND_SSO_LOGIN">Log In</button>
      Following is the AutoIT script I am using I am passing the username and password via cmd but it is not working, any suggestion?
      #include <IE.au3>
      Local $url ="https://www.Intra.edwa.com"
      Local $oIE =_IECreate($url)
      Local $oUser =_IEGetObjById($oIE,"usernameField")
      Local $oPass =_IEGetObjById($oIE,"passwordField")
      _IEFormElementSetValue($oUser, $CmdLine[1])
      _IEFormElementSetValue($oPass, $CmdLine[2])
      $oLinks = _IETagNameGetCollection($oIE, "input")
      For $oLink In $oLinks
          If String($oLink.type) = "submit" And String($oLink.value) = "Sign In" Then
                _IEAction($oLink, "click")
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