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Blocking Routine Redirection

  • US 20170024560A1
  • Filed: 07/24/2015
  • Published: 01/26/2017
  • Est. Priority Date: 07/24/2015
  • Status: Active Grant
First Claim
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1. A method comprising:

  • determining a set of system routines;

    retrieving, from a symbol table, a table entry for one routine of the set of system routines;

    determining, from the table entry for the one routine, an address of the one routine;

    setting the address of the one routine to an address of a routine that includes code configured to detect an attempt to perform a runtime redirection and to detect an attempt to change memory permissions; and

    executing, in response to a call to the one routine, the routine that includes code configured to detect an attempt to perform a runtime redirection and to detect an attempt to change memory permissions.

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