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From: hdm at metasploit.com (H D Moore)
Date: Tue, 20 Feb 2007 20:12:24 -0600
You may want to try clearing some space on the stack. Put something like
the following after your nops and before the payload
itself :"\x81\xc4\x54\xf2\xff\xff" (add esp, -3500)
If this doesn't work, try replacing your 0x90's with 0xCC's and make sure
that an int3 is trapped by the debugger.
On Tuesday 20 February 2007 17:49, J. M. Seitz wrote:
Are there any characters I should be filtering out on the shellcode
generator or any other gotchas I should be aware of when doing this
type of work? Any help would be greatly appreciated.