Just add on sqlmap

--tamper=between,bluecoat,charencode,charunicodeencode,concat2concatws,equaltolike,greatest,halfversionedmorekeywords 
,ifnull2ifisnull,modsecurityversioned,modsecurityzeroversioned,multiplespaces,randomcase,space2comment 
,space2hash,space2morehash,space2mysqldash,space2plus,space2randomblank,unionalltounion,unmagicquotes 
,versionedkeywords,versionedmorekeywords,xforwardedfor