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WO2000072112A3 - Obfuscation of executable code - Google Patents

Obfuscation of executable code Download PDF

Info

Publication number
WO2000072112A3
WO2000072112A3 PCT/US2000/013128 US0013128W WO0072112A3 WO 2000072112 A3 WO2000072112 A3 WO 2000072112A3 US 0013128 W US0013128 W US 0013128W WO 0072112 A3 WO0072112 A3 WO 0072112A3
Authority
WO
WIPO (PCT)
Prior art keywords
obfuscation
executable code
name
field
replaces
Prior art date
Application number
PCT/US2000/013128
Other languages
French (fr)
Other versions
WO2000072112A2 (en
Inventor
Chenghui Luo
Jian Zhao
Original Assignee
Fraunhofer Crcg Inc
Chenghui Luo
Jian Zhao
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Fraunhofer Crcg Inc, Chenghui Luo, Jian Zhao filed Critical Fraunhofer Crcg Inc
Priority to US10/019,828 priority Critical patent/US7263722B1/en
Publication of WO2000072112A2 publication Critical patent/WO2000072112A2/en
Publication of WO2000072112A3 publication Critical patent/WO2000072112A3/en
Priority to US10/654,826 priority patent/US7421586B2/en

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F21/10—Protecting distributed programs or content, e.g. vending or licensing of copyrighted material ; Digital rights management [DRM]
    • G06F21/12—Protecting executable software
    • G06F21/14—Protecting executable software against software analysis or reverse engineering, e.g. by obfuscation

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Software Systems (AREA)
  • Technology Law (AREA)
  • Computer Hardware Design (AREA)
  • Computer Security & Cryptography (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • Storage Device Security (AREA)
  • Stored Programmes (AREA)
  • Devices For Executing Special Programs (AREA)

Abstract

A method for obfuscation of executable computer program code (103) where, in the data field (205) that uses an object name (205) and a field name (207) and replaces them (209) with references that use and object (205) name but do not use a field name (207).
PCT/US2000/013128 1999-05-12 2000-05-12 Obfuscation of executable code WO2000072112A2 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
US10/019,828 US7263722B1 (en) 1999-05-12 2000-05-12 Obfuscation of executable code
US10/654,826 US7421586B2 (en) 1999-05-12 2003-09-04 Protecting mobile code against malicious hosts

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US13384899P 1999-05-12 1999-05-12
US13384099P 1999-05-12 1999-05-12
US60/133,848 1999-05-12
US60/133,840 1999-05-12

Related Child Applications (2)

Application Number Title Priority Date Filing Date
PCT/US2000/013117 Continuation-In-Part WO2000068875A1 (en) 1998-04-30 2000-05-12 Authenticating executable code and executions thereof
US10/654,826 Continuation-In-Part US7421586B2 (en) 1999-05-12 2003-09-04 Protecting mobile code against malicious hosts

Publications (2)

Publication Number Publication Date
WO2000072112A2 WO2000072112A2 (en) 2000-11-30
WO2000072112A3 true WO2000072112A3 (en) 2001-04-05

Family

ID=26831746

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2000/013128 WO2000072112A2 (en) 1999-05-12 2000-05-12 Obfuscation of executable code

Country Status (1)

Country Link
WO (1) WO2000072112A2 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7430670B1 (en) 1999-07-29 2008-09-30 Intertrust Technologies Corp. Software self-defense systems and methods
CN106034119A (en) * 2015-03-16 2016-10-19 阿里巴巴集团控股有限公司 Encryption mixing method and device for application installation package

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7421586B2 (en) 1999-05-12 2008-09-02 Fraunhofer Gesselschaft Protecting mobile code against malicious hosts
EP1546892B1 (en) * 2002-09-04 2017-03-29 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Protecting mobile code against malicious hosts cross references to related applications
US7519668B2 (en) * 2003-06-20 2009-04-14 Microsoft Corporation Obfuscation of spam filter
GB2405958A (en) * 2003-08-20 2005-03-16 Macrovision Europ Ltd Code obfuscation and controlling a processor by emulation
DE102004011488B4 (en) * 2004-03-09 2007-07-05 Giesecke & Devrient Gmbh Protection of software against attacks
FR2871255B1 (en) * 2004-06-04 2006-08-04 Gemplus Sa ASSOCIATED COMPILING CODE, TERMINAL AND SOFTWARE OBFUSCATION METHOD
US7640583B1 (en) * 2005-04-01 2009-12-29 Microsoft Corporation Method and system for protecting anti-malware programs
FR2994755B1 (en) * 2012-08-22 2017-03-10 Oberthur Technologies METHOD FOR INSTALLING COMPUTER PROGRAM
CN105354449B (en) * 2015-11-04 2018-08-21 北京鼎源科技有限公司 Method and decryption method are obscured in a kind of scrambling towards Lua language
CN106326744B (en) * 2016-08-18 2019-05-07 广州视睿电子科技有限公司 Method and device for judging obfuscated files

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5530752A (en) * 1994-02-22 1996-06-25 Convex Computer Corporation Systems and methods for protecting software from unlicensed copying and use
WO1997004394A1 (en) * 1995-07-14 1997-02-06 Christopher Nathan Drake Computer software authentication, protection, and security system
WO1999001815A1 (en) * 1997-06-09 1999-01-14 Intertrust, Incorporated Obfuscation techniques for enhancing software security
WO1999013613A1 (en) * 1997-09-05 1999-03-18 Intel Corporation Tamper resistant methods and apparatus
US5892899A (en) * 1996-06-13 1999-04-06 Intel Corporation Tamper resistant methods and apparatus
US6006328A (en) * 1995-07-14 1999-12-21 Christopher N. Drake Computer software authentication, protection, and security system
US6102966A (en) * 1998-03-20 2000-08-15 Preemptive Solutions, Inc. Method for renaming identifiers of a computer program

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5530752A (en) * 1994-02-22 1996-06-25 Convex Computer Corporation Systems and methods for protecting software from unlicensed copying and use
WO1997004394A1 (en) * 1995-07-14 1997-02-06 Christopher Nathan Drake Computer software authentication, protection, and security system
US6006328A (en) * 1995-07-14 1999-12-21 Christopher N. Drake Computer software authentication, protection, and security system
US5892899A (en) * 1996-06-13 1999-04-06 Intel Corporation Tamper resistant methods and apparatus
WO1999001815A1 (en) * 1997-06-09 1999-01-14 Intertrust, Incorporated Obfuscation techniques for enhancing software security
WO1999013613A1 (en) * 1997-09-05 1999-03-18 Intel Corporation Tamper resistant methods and apparatus
US6102966A (en) * 1998-03-20 2000-08-15 Preemptive Solutions, Inc. Method for renaming identifiers of a computer program

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
RALSTON ANTHONY Ed.: Legal Protection of Software, 01 January 1976, Mason/Charter Pub., p. 772, Software Patent Institute, XP002933452 *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7430670B1 (en) 1999-07-29 2008-09-30 Intertrust Technologies Corp. Software self-defense systems and methods
CN106034119A (en) * 2015-03-16 2016-10-19 阿里巴巴集团控股有限公司 Encryption mixing method and device for application installation package

Also Published As

Publication number Publication date
WO2000072112A2 (en) 2000-11-30

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