Re: Jump back to shellcode Windows overflow

From: Blue Boar (BlueBoarat_private)
Date: Tue Apr 22 2003 - 10:45:52 PDT

  • Next message: Dmitry Glushenok: "Re: defacement stats"

    How about just a short or near jmp?  How many bytes between where EIP lands 
    and your shellcode?  I.E. jmp -128 or something?  EB 80, I think.
    
    						BB
    
    chaboyd77at_private wrote:
    > 
    > I'm practicing developing Windows Buffer Overflows and
    > 
    > have run into a slight snag.  When I overwrite EIP with
    > 
    > the address of "jmp ESP" I land below my shellcode instead
    > 
    > of where the top of the stack used to be:
    > 
    > 
    > 
    > <-----------400 bytes-------->
    > 
    > [NOP's........Shellcode...EIP..*<-code jumps here**]
    



    This archive was generated by hypermail 2b30 : Tue Apr 22 2003 - 12:52:10 PDT