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DeltaRocked

Javascript Parser

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DeltaRocked

Hello,

Greetings for the New year !!!

Well last year I ended up writing a few scripts and I thanks all of you for your valuable inputs / posts.

1: PDF Analyzer - Code not posted - purely string regex related.

2: Phishing Site Analyzer - Connectivity related Code Posted (Analyzer Code not Posted) - Metatag based re-direction.

3: Detection for execute binary/DLL from memory - Code not posted but fairly easy with trapping the memory write/alloc and new process function glaring on the console.

4: Anti-KeyLogger Virtual Keyboard - Code Posted

5: SMTP Audit Tool - Code posted

Now, I have started my new project on Javascript Parser.

The intention is to download web-page and parse JS but ensuring that Javascript doent get executed.

Goals:

1: Obfuscated Javascript Detection

2: DriveBy Downloads

to be used: Spider Monkey APIs.

Has anyone used Spider Monkey API? a nudge in this area will be highly appreciated.

Regards

DeltaRocked.

Edited by deltarocked

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DeltaRocked

Hello ,

I have stumbled across this.

http://ftp.mozilla.org/pub/mozilla.org/firefox/nightly/latest-trunk/jsshell-win32.zip

Writeup:

https://developer.mozilla.org/En/SpiderMonkey/Introduction_to_the_Javascript_shell

https://developer.mozilla.org/en/Javascript/Shells

I think this is more than enough to get a javascript parser and use Autoit to wrap up.

Enjoy.

Btw am also working on the wrapper, lets see what can be done.

Regards

Deltarocked

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      Is there a way to grab non-hardcoded but rather javascript generated data from a webpage?
      Tried a get request as well as _IEBodyReadHTML but both seem to grab the code without the javascript generated data.
      $oHTTP = ObjCreate("winhttp.winhttprequest.5.1") $oHTTP.Open("GET", "link", False) $oHTTP.Send() $oReceived = $oHTTP.ResponseText $oStatusCode = $oHTTP.Status Global $DataArray[10][5] If $oStatusCode <> 200 Then Exit MsgBox(1, "Error", "Status Code <> 200") EndIf FileWrite(@ScriptDir & "\output.txt", $oReceived) ; //////// #include <IE.au3> Local $FullLink = "link" Local $oIE = _IECreate($FullLink, 0, 0) _IELoadWait($oIE) Local $sText = _IEBodyReadHTML($oIE) FileWrite(@ScriptDir & "\output.txt", $sText)  
    • guinness
      By guinness
      Just trying out the latest version of AutoIt and thinking more functional
      #include <Array.au3> ; Example ; An example of filtering, mapping and reducing arrays, using a function reference. ; This is similiar to how it would be done in the likes of JavaScript ; i.e. more functional (declarative) than procedural (imperative) ; Filter example Local $aiFilteredBefore[] = [1, 2, 3, 50, 30, 40, 20, 30] Local $aiFilteredAfter = _ArrayFilter($aiFilteredBefore, GtrThan30) _ArrayDisplay($aiFilteredAfter, '_ArrayFilter::') ; Map example Local $aiMappedBefore[] = [1, 2, 3, 4, 5, 6, 7, 8, 9] Local $aiMappedAfter = _ArrayMap($aiMappedBefore, MultiplyByTwo) _ArrayDisplay($aiMappedAfter, '_ArrayMap::') ; Reduce example ; Sum all values in the array Local $aiReducedBefore[] = [1, 2, 3, 50, 30, 40, 20, 30] ConsoleWrite('_ArrayReduce:: ' & _ArrayReduce($aiReducedBefore, SumValues) & @CRLF) ; Passing an empty array, will return the initial value; otherwise, sets @error to 4 ; if no initial value is defined Local $aEmpty[] = [] ConsoleWrite('_ArrayReduce:: ' & _ArrayReduce($aEmpty, SumValues, 0) & @CRLF) ; Array callback functions (for the examples only) Func GtrThan30($iValue) Return $iValue > 30 EndFunc ;==>GtrThan30 Func MultiplyByTwo($iValue, $iIndex, $aiArray) ; Notice how the function is called with the optional arguments "index" and "original array" ConsoleWrite('Index:: ' & $iIndex & ', Array:: ' & _ArrayToString($aiArray) & @CRLF) Return $iValue * 2 EndFunc ;==>MultiplyByTwo Func SumValues($a, $b) Return $a + $b EndFunc ;==>SumValues ; Functions ; The callback function is invoked with fn(value, [index, [array]]) Func _ArrayFilter($avArray, $hFunc) If Not IsArray($avArray) Then ; Null is more appropriate than returning the likes of -1 or an empty array Return SetError(1, 0, Null) EndIf If Not IsFunc($hFunc) Then Return SetError(2, 0, Null) EndIf Local Const $iLength = UBound($avArray) Local $avFiltered[$iLength] If $iLength = 0 Then Return $avFiltered EndIf Local $iIndex = 0 For $i = 0 To $iLength - 1 Local $bIsFiltered = __ArrayCall($hFunc, 3, $avArray[$i], $i, $avArray) If @error Then Return SetError(@error, @extended, Null) ElseIf $bIsFiltered Then $avFiltered[$iIndex] = $avArray[$i] $iIndex += 1 EndIf Next ReDim $avFiltered[$iIndex] Return $avFiltered EndFunc ;==>_ArrayFilter ; The callback function is invoked with fn(value, [index, [array]]) Func _ArrayMap($avArray, $hFunc) If Not IsArray($avArray) Then ; Null is more appropriate than returning the likes of -1 or an empty array Return SetError(1, 0, Null) EndIf If Not IsFunc($hFunc) Then Return SetError(2, 0, Null) EndIf Local Const $iLength = UBound($avArray) Local $avMapped[$iLength] If $iLength = 0 Then Return $avMapped EndIf For $i = 0 To $iLength - 1 $avMapped[$i] = __ArrayCall($hFunc, 3, $avArray[$i], $i, $avArray) If @error Then Return SetError(@error, @extended, Null) EndIf Next Return $avMapped EndFunc ;==>_ArrayMap ; The callback function is invoked with fn(current, value, [index, [array]]) Func _ArrayReduce($avArray, $hFunc, $vInitial = Default) If Not IsArray($avArray) Then ; Null is more appropriate than returning the likes of -1 or an empty array Return SetError(1, 0, Null) EndIf If Not IsFunc($hFunc) Then Return SetError(2, 0, Null) EndIf Local $bHasInitial = @NumParams >= 3 Local $iLength = UBound($avArray) If $iLength = 0 Then If Not $bHasInitial Then Return SetError(4, 0, Null) EndIf Return $vInitial EndIf For $i = 0 To $iLength - 1 If $bHasInitial Then $vInitial = __ArrayCall($hFunc, 3, $vInitial, $avArray[$i], $i, $avArray) If @error Then Return SetError(@error, @extended, Null) EndIf Else $bHasInitial = True $vInitial = $avArray[$i] EndIf Next Return $vInitial EndFunc ;==>_ArrayReduce Func __ArrayCall($hFunc, $iError, $vArg1 = Default, $vArg2 = Default, $vArg3 = Default, $vArg4 = Default) Local Const $CALL_ERROR = 0xDEAD Local Const $CALL_EXTENDED = 0xBEEF Local $vRet = Call($hFunc, $vArg1) If @error = $CALL_ERROR And @extended = $CALL_EXTENDED Then $vRet = Call($hFunc, $vArg1, $vArg2) If @error = $CALL_ERROR And @extended = $CALL_EXTENDED Then $vRet = Call($hFunc, $vArg1, $vArg2, $vArg3) If @error = $CALL_ERROR And @extended = $CALL_EXTENDED Then $vRet = Call($hFunc, $vArg1, $vArg2, $vArg3, $vArg4) If @error = $CALL_ERROR And @extended = $CALL_EXTENDED Then ; The function exists, but there is no appropriate function signature Return SetError($iError, 0, Null) EndIf EndIf EndIf EndIf Return SetError(@error, @extended, $vRet) EndFunc ;==>__ArrayCall  
    • Chimp
      By Chimp
      An example on how to inject jQuery into a web page
      It can be useful to manage the page from AutoIt using jQuery.
      Idea from here: http://www.learningjquery.com/2009/04/better-stronger-safer-jquerify-bookmarklet
      Suggestions and improvements are welcome
      #include <ie.au3> Example() Func Example() Local $oIE = _IECreate("www.google.com") Local $jQuery = _jQuerify($oIE) MsgBox(0, "Version", "jQuery version: " & $jQuery.fn.jquery) MsgBox(0, "Example", "click ok to exit." & @CRLF & "Google logo will fade out by jQuery...") $jQuery('#hplogo').fadeOut(3000) ; jQuery will fade out the google logo EndFunc ;==>Example ; #FUNCTION# ==================================================================================================================== ; Name ..........: _jQuerify ; Description ...: ; Syntax ........: _jQuerify(Byref $oIE) ; Parameters ....: $oIE - Object variable of an InternetExplorer.Application. ; Return values .: an object variable pointing to the jQuery library ; Author ........: Chimp ; Modified ......: ; Remarks .......: ; Related .......: ; Link ..........: ; Example .......: ; =============================================================================================================================== Func _jQuerify(ByRef $oIE) Local $jsEval, $jQuery, $otherlib = False ; create a reference to the javascript eval() function $oIE.document.parentWindow.setTimeout('document.head.eval = eval', 0) Do Sleep(250) $jsEval = Execute('$oIE.Document.head.eval') Until IsObj($jsEval) ; if jQuery is not already loaded then load it If $jsEval("typeof jQuery=='undefined'") Then ; check if the '$' (dollar) name is already in use by other library If $jsEval("typeof $=='function'") Then $otherlib = True Local $oScript = $oIE.document.createElement('script'); $oScript.type = 'text/javascript' ; If you want to load jQuery from a disk file use the following statement ; where i.e. jquery-1.9.1.js is the file containing the jQuery source ; (or also use a string variable containing the whole jQuery listing) ;~ $oScript.TextContent = FileRead(@ScriptDir & "\jquery-1.9.1.js") ; <--- from a file ; If you want to download jQuery from the web use this statement $oScript.src = 'https://code.jquery.com/jquery-latest.min.js' ; <--- from an url $oIE.document.getElementsByTagName('head').item(0).appendChild($oScript) Do Sleep(250) Until $jsEval("typeof jQuery == 'function'") EndIf Do Sleep(250) $jQuery = $jsEval("jQuery") Until IsObj($jQuery) If $otherlib Then $jsEval('jQuery.noConflict();') Return $jQuery EndFunc ;==>_jQuerify  
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