WO2001099034A3 - System for obfuscating computer code to prevent disassembly - Google Patents
System for obfuscating computer code to prevent disassembly Download PDFInfo
- Publication number
- WO2001099034A3 WO2001099034A3 PCT/US2001/019573 US0119573W WO0199034A3 WO 2001099034 A3 WO2001099034 A3 WO 2001099034A3 US 0119573 W US0119573 W US 0119573W WO 0199034 A3 WO0199034 A3 WO 0199034A3
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- instruction
- instructions
- bytes
- disassembler
- obfuscation
- Prior art date
Links
- XKBVRUZEZCXYTN-RXHKLUBKSA-N 4-[[(1r,2r,4as,5r,8as)-2-hydroxy-1,4a-dimethyl-6-methylidene-5-[(2e)-2-(2-oxofuran-3-ylidene)ethyl]-3,4,5,7,8,8a-hexahydro-2h-naphthalen-1-yl]methoxy]-4-oxobutanoic acid;4-[[(1r,2r,4as,5r,8as)-1-(hydroxymethyl)-1,4a-dimethyl-6-methylidene-5-[(2e)-2-(2-oxo Chemical compound C([C@H]1[C@]2(C)CC[C@H]([C@]([C@H]2CCC1=C)(CO)C)OC(=O)CCC(O)=O)\C=C1/C=COC1=O.C([C@H]1[C@]2(C)CC[C@@H](O)[C@]([C@H]2CCC1=C)(COC(=O)CCC(O)=O)C)\C=C1/C=COC1=O XKBVRUZEZCXYTN-RXHKLUBKSA-N 0.000 abstract 1
- 230000000873 masking effect Effects 0.000 abstract 1
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
Abstract
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10196373T DE10196373T1 (en) | 2000-06-21 | 2001-06-19 | System for disguising computer code when disassembling |
AU2001272953A AU2001272953A1 (en) | 2000-06-21 | 2001-06-19 | System for obfuscating computer code to prevent disassembly |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/603,575 US7065652B1 (en) | 2000-06-21 | 2000-06-21 | System for obfuscating computer code upon disassembly |
US09/603,575 | 2000-06-21 |
Publications (2)
Publication Number | Publication Date |
---|---|
WO2001099034A2 WO2001099034A2 (en) | 2001-12-27 |
WO2001099034A3 true WO2001099034A3 (en) | 2003-05-08 |
Family
ID=24416025
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/US2001/019573 WO2001099034A2 (en) | 2000-06-21 | 2001-06-19 | System for obfuscating computer code to prevent disassembly |
Country Status (4)
Country | Link |
---|---|
US (2) | US7065652B1 (en) |
AU (1) | AU2001272953A1 (en) |
DE (1) | DE10196373T1 (en) |
WO (1) | WO2001099034A2 (en) |
Families Citing this family (41)
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---|---|---|---|---|
CA2447451C (en) * | 2000-05-12 | 2013-02-12 | Xtreamlok Pty. Ltd. | Information security method and system |
CA2435624C (en) * | 2000-09-22 | 2013-05-07 | Richard B. Levine | Systems and methods for preventing unauthorized use of digital content |
US7624277B1 (en) * | 2003-02-25 | 2009-11-24 | Microsoft Corporation | Content alteration for prevention of unauthorized scripts |
US7454323B1 (en) * | 2003-08-22 | 2008-11-18 | Altera Corporation | Method for creation of secure simulation models |
US8220058B2 (en) * | 2003-09-25 | 2012-07-10 | Oracle America, Inc. | Rendering and encryption engine for application program obfuscation |
US7353499B2 (en) * | 2003-09-25 | 2008-04-01 | Sun Microsystems, Inc. | Multiple instruction dispatch tables for application program obfuscation |
US7415618B2 (en) * | 2003-09-25 | 2008-08-19 | Sun Microsystems, Inc. | Permutation of opcode values for application program obfuscation |
US7363620B2 (en) * | 2003-09-25 | 2008-04-22 | Sun Microsystems, Inc. | Non-linear execution of application program instructions for application program obfuscation |
US20050069138A1 (en) * | 2003-09-25 | 2005-03-31 | Sun Microsystems, Inc., A Delaware Corporation | Application program obfuscation |
US7424620B2 (en) * | 2003-09-25 | 2008-09-09 | Sun Microsystems, Inc. | Interleaved data and instruction streams for application program obfuscation |
US7383583B2 (en) * | 2004-03-05 | 2008-06-03 | Microsoft Corporation | Static and run-time anti-disassembly and anti-debugging |
US7805289B2 (en) | 2006-07-10 | 2010-09-28 | Microsoft Corporation | Aligning hierarchal and sequential document trees to identify parallel data |
US8181039B2 (en) * | 2007-04-13 | 2012-05-15 | Microsoft Corporation | Disc drive counterfeiting countermeasure |
US20090049425A1 (en) * | 2007-08-14 | 2009-02-19 | Aladdin Knowledge Systems Ltd. | Code Obfuscation By Reference Linking |
US8869109B2 (en) * | 2008-03-17 | 2014-10-21 | Microsoft Corporation | Disassembling an executable binary |
EP2234031A1 (en) * | 2009-03-24 | 2010-09-29 | SafeNet, Inc. | Obfuscation |
US9645869B2 (en) * | 2010-12-01 | 2017-05-09 | Ncr Corporation | Using exception information |
US9143530B2 (en) | 2011-10-11 | 2015-09-22 | Citrix Systems, Inc. | Secure container for protecting enterprise data on a mobile device |
US20140032733A1 (en) | 2011-10-11 | 2014-01-30 | Citrix Systems, Inc. | Policy-Based Application Management |
US9280377B2 (en) | 2013-03-29 | 2016-03-08 | Citrix Systems, Inc. | Application with multiple operation modes |
US9215225B2 (en) | 2013-03-29 | 2015-12-15 | Citrix Systems, Inc. | Mobile device locking with context |
WO2014051608A1 (en) * | 2012-09-28 | 2014-04-03 | Hewlett-Packard Development Company, L.P. | Application randomization |
US9774658B2 (en) | 2012-10-12 | 2017-09-26 | Citrix Systems, Inc. | Orchestration framework for connected devices |
US8613070B1 (en) | 2012-10-12 | 2013-12-17 | Citrix Systems, Inc. | Single sign-on access in an orchestration framework for connected devices |
US9516022B2 (en) | 2012-10-14 | 2016-12-06 | Getgo, Inc. | Automated meeting room |
US8910239B2 (en) | 2012-10-15 | 2014-12-09 | Citrix Systems, Inc. | Providing virtualized private network tunnels |
US20140109176A1 (en) | 2012-10-15 | 2014-04-17 | Citrix Systems, Inc. | Configuring and providing profiles that manage execution of mobile applications |
WO2014062804A1 (en) | 2012-10-16 | 2014-04-24 | Citrix Systems, Inc. | Application wrapping for application management framework |
US9606774B2 (en) | 2012-10-16 | 2017-03-28 | Citrix Systems, Inc. | Wrapping an application with field-programmable business logic |
US9971585B2 (en) | 2012-10-16 | 2018-05-15 | Citrix Systems, Inc. | Wrapping unmanaged applications on a mobile device |
US20140108793A1 (en) | 2012-10-16 | 2014-04-17 | Citrix Systems, Inc. | Controlling mobile device access to secure data |
US9355223B2 (en) | 2013-03-29 | 2016-05-31 | Citrix Systems, Inc. | Providing a managed browser |
US9985850B2 (en) | 2013-03-29 | 2018-05-29 | Citrix Systems, Inc. | Providing mobile device management functionalities |
US10284627B2 (en) | 2013-03-29 | 2019-05-07 | Citrix Systems, Inc. | Data management for an application with multiple operation modes |
US8849979B1 (en) | 2013-03-29 | 2014-09-30 | Citrix Systems, Inc. | Providing mobile device management functionalities |
US8849978B1 (en) | 2013-03-29 | 2014-09-30 | Citrix Systems, Inc. | Providing an enterprise application store |
US9092562B2 (en) | 2013-05-16 | 2015-07-28 | International Business Machines Corporation | Controlling access to variables protected by an alias during a debugging session |
CN104166822B (en) | 2013-05-20 | 2017-10-13 | 阿里巴巴集团控股有限公司 | A kind of method and apparatus of data protection |
US9600672B1 (en) * | 2014-12-04 | 2017-03-21 | Amazon Technologies, Inc. | Dynamic function switching |
CN109189470A (en) * | 2018-08-21 | 2019-01-11 | 北京奇虎科技有限公司 | Code reinforcement means and device |
CN110825386B (en) * | 2019-11-01 | 2023-07-14 | 腾讯科技(深圳)有限公司 | Code compiling method and device and storage medium |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6205550B1 (en) * | 1996-06-13 | 2001-03-20 | Intel Corporation | Tamper resistant methods and apparatus |
US6643775B1 (en) * | 1997-12-05 | 2003-11-04 | Jamama, Llc | Use of code obfuscation to inhibit generation of non-use-restricted versions of copy protected software applications |
US6594761B1 (en) * | 1999-06-09 | 2003-07-15 | Cloakware Corporation | Tamper resistant software encoding |
US6665796B1 (en) * | 1999-08-18 | 2003-12-16 | Sun Microsystems, Inc. | Microprocessor instruction result obfuscation |
-
2000
- 2000-06-21 US US09/603,575 patent/US7065652B1/en not_active Expired - Fee Related
-
2001
- 2001-06-19 WO PCT/US2001/019573 patent/WO2001099034A2/en active Application Filing
- 2001-06-19 AU AU2001272953A patent/AU2001272953A1/en not_active Abandoned
- 2001-06-19 DE DE10196373T patent/DE10196373T1/en not_active Withdrawn
-
2005
- 2005-10-31 US US11/264,713 patent/US20060053307A1/en not_active Abandoned
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 |
Non-Patent Citations (4)
Title |
---|
COHEN F B: "OPERATING SYSTEM PROTECTION THROUGH PROGRAM EVOLUTION", COMPUTERS & SECURITY. INTERNATIONAL JOURNAL DEVOTED TO THE STUDY OF TECHNICAL AND FINANCIAL ASPECTS OF COMPUTER SECURITY, ELSEVIER SCIENCE PUBLISHERS. AMSTERDAM, NL, vol. 12, no. 6, 1 October 1993 (1993-10-01), pages 565 - 584, XP000415701, ISSN: 0167-4048 * |
J M HOFFMAN: "Re: "Hiding" variables in C", MESSAGE FROM NEWSGROUPS: COMP.LANG.C, COMP.OS.MSDOS.PROGRAMMER, SCI.CRYPT, 4 March 1992 (1992-03-04), XP002227990, Retrieved from the Internet <URL:http://groups.google.com/groups?selm=1992Mar4.152202.10254%40wam.umd.edu&oe=UTF-8&output=gplain> [retrieved on 20030120] * |
MAMBO M ET AL: "A TENTATIVE APPROACH TO CONSTRUCTING TAMPER-RESISTANT SOFTWARE", PROCEEDINGS OF THE NEW SECURITY PARADIGMS WORKSHOP. NSPW '97. LANGDALE, UK, SEPT. 23 - 26, 1997, NEW SECURITY PARADIGMS WORKSHOP, NEW YORK: ACM, US, vol. CONF. 6, 23 September 1997 (1997-09-23), pages 23 - 33, XP000895343, ISBN: 0-89791-986-6 * |
R BENTSON: "Re: "Hiding" variables in C", MESSAGE FROM NEWSGROUPS: COMP.LANG.C, COMP.OS.MSDOS.PROGRAMMER, SCI.CRYPT, 6 March 1992 (1992-03-06), XP002227991, Retrieved from the Internet <URL:http://groups.google.com/groups?selm=1992Mar06.191513.41268%40yuma.acns.colostate.edu&oe=UTF-8&output=gplain> [retrieved on 20030120] * |
Also Published As
Publication number | Publication date |
---|---|
WO2001099034A2 (en) | 2001-12-27 |
US20060053307A1 (en) | 2006-03-09 |
US7065652B1 (en) | 2006-06-20 |
AU2001272953A1 (en) | 2002-01-02 |
DE10196373T1 (en) | 2003-09-04 |
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