Changes default offset

Points to the beginning of the block

Author: sinn3r

lib/msf/core/exploit/http/server.rb

@@ -825,7 +825,7 @@ def js_property_spray
 			objId         = oArg.objId;
 
 			if (shellcode     == undefined)  { throw "Missing argument: shellcode"; }
-			if (offset        == undefined)  { offset        = 0x104; }
+			if (offset        == undefined)  { offset        = 0x00; }
 			if (heapBlockSize == undefined)  { heapBlockSize = 0x80000; }
 			if (maxAllocs     == undefined)  { maxAllocs     = 0x350; }