Invention Grant
- Patent Title: Methods and system for hiding transition events for malware detection
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Application No.: US15199812Application Date: 2016-06-30
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Publication No.: US10341365B1Publication Date: 2019-07-02
- Inventor: Phung-Te Ha
- Applicant: FireEye, Inc.
- Applicant Address: US CA Milpitas
- Assignee: FireEye, Inc.
- Current Assignee: FireEye, Inc.
- Current Assignee Address: US CA Milpitas
- Agency: Rutan & Tucker, LLP
- Main IPC: H04L29/06
- IPC: H04L29/06 ; G06F9/455

Abstract:
A method for hiding transition events during malware detection comprising processing of an object within a VM, intercepting an attempted execution of an instruction located on a page in memory associated with the VM, responsive to determining the page includes instructions corresponding to one of a predefined set of function calls, (i) inserting a first transition event into the memory at a location on the page of a first instruction of the instructions, and (ii) setting a permission of the page to be execute only, and responsive to further processing within the VM causing an attempt to read from or write to the page including the first transition event, (i) halting processing within the VM, (ii) removing the first transition event, (iii) setting the permission of the page to prohibit execution, and (iv) resuming the processing is shown.
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