Pinback - Anti-hu tab

Not 100% Sure at all but really needed to find out how that intro was played. Just 
25 minutes and a working brain and here tis. Have Fun
                      
        Tuning: 1/2 step down
                (Eb Ab Db Gb Bb Eb)


           e|-------------------------------------|
           B|-------------------------------------|
   Intro   G|-------------------------------------|
           D|--9------7---------------------------|  
           A|----9-------5------------0---2--\----|
           E|----------------7---7----2---3--\----|


[ Tab from: http://www.guitaretab.com/p/pinback/195413.html ]
                      ||----------------------------|
                      ||----------------------------|
                      ||----------------------------|
        Main riff     ||----------------------------|
                      ||----9----5---\--0---2-------|
                      ||---10----7---\--2---3-------|


                      ||----------------------------||
                      ||----------------------------||
                      ||----------------------------||
    Variation         ||----------------------------||
                      ||----9----4---\--0---2-------||
                      ||---10----5---\--2---3-------||



                          e|-----------------------|
                          B|-----------------------|
                          G|-----------------------|
  Intro played over       D|--9------7-------------|
      main riff           A|----9-------5----------|
                          E|-----------------------|


And im sure you can figure out the rest if you need.