Hi ,

Does anybody has any information regarding default heap header members, i looked around but could only find limited information

Some of it i was able to get....

like

TotalFreeSize, freelist (linked list), lookaside list, etc.

IF there are any articles that describe this header, it will be very helpful,

any information will be helpful

-------ronnie

Try http://www.blackhat.com/presentations/win-usa-04/bh-win-04-litchfield/bh-win-04-litchfield.ppt and http://cybertech.net/~sh0ksh0k/projects/winheap/XPSP2%20Heap%20Exploitation.ppt ("http://cybertech.net/~sh0ksh0k/projects/winheap/XPSP2%20Heap%20Exploitation.ppt"). http://www.reactos.org/wiki/NDK may also help.

You can ask on the old advanced Win32 newsgroup
(news://nntp.aioe.org/comp.os.ms-windows.programmer.win32
or http://tinyurl.com/yjy3ajr by Google)
Some Win32 gurus have Windows source code...