Hier eine Funktion, falls man mal cookies aus dem Fuchs auslesen will.
Zwar nur relativ Quick n Dirty, aber es funktioniert.
Viel Spaß damit 
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#include <Array.au3>
#include <SQLite.au3>
#include <SQLite.dll.au3>
$aCookies = _FFGetCookies("name,value,lastAccessed", "host='www.autoit.de'") ; Cookies von AutoIt.de zeigen
_ArrayDisplay($aCookies)
$aCookies = _FFGetCookies() ; Alle Cookies
_ArrayDisplay($aCookies)
Func _FFGetCookies($sWhat = "*", $sWhere = "", $sProfile = "default")
If (Not $sWhat) Or IsKeyword($sWhat) Then $sWhat = "*"
If (Not $sWhere) Or IsKeyword($sWhere) Then $sWhere = ""
If (Not $sProfile) Or IsKeyword($sProfile) Then $sProfile = "default"
Local $sPath, $hFileFind = FileFindFirstFile(@AppDataDir & "\Mozilla\Firefox\Profiles\*" & $sProfile & "*")
$sPath = @AppDataDir & "\Mozilla\Firefox\Profiles\" & FileFindNextFile($hFileFind)
Local $hDB, $sQuery, $iErr = @error
FileClose($hFileFind)
If $iErr Then Return
If $sWhere <> "" Then $sWhere = " WHERE " & $sWhere
$sQuery = "SELECT " & $sWhat & " FROM moz_cookies" & $sWhere & ";"
If Not StringRegExp($sQuery, "SELECT\s+\S+\s+FROM moz_cookies(\s+WHERE\s+[^;]+)?;") Then Return SetError(-1)
[/autoit] [autoit][/autoit] [autoit]FileCopy($sPath & "\cookies.sqlite", @TempDir & "\~cookies.sqlite", 1)
_SQLite_Startup()
_SQLite_Open(@TempDir & "\~cookies.sqlite")
Local $aResult, $iRows, $iColums
_SQLite_GetTable2d($hDB, $sQuery, $aResult, $iRows, $iColums)
$iErr = @error
_SQLite_Close($hDB)
_SQLite_Shutdown()
If $iErr Then Return SetError(-1)
Return SetError(0, 0, $aResult)
EndFunc ;==>_FFGetCookies