Takeshi YAGI


BotProfiler: Detecting Malware-Infected Hosts by Profiling Variability of Malicious Infrastructure
Daiki CHIBA Takeshi YAGI Mitsuaki AKIYAMA Kazufumi AOKI Takeo HARIU Shigeki GOTO 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2016/05/01
Vol. E99-B  No. 5  pp. 1012-1023
Type of Manuscript:  Special Section PAPER (Special Section on Internet Architectures and Management Methods that Enable Flexible and Secure Deployment of Network Services)
Category: 
Keyword: 
malwarebotnetdynamic analysistemplate
 Summary | Full Text:PDF(2.1MB)

Automating URL Blacklist Generation with Similarity Search Approach
Bo SUN Mitsuaki AKIYAMA Takeshi YAGI Mitsuhiro HATADA Tatsuya MORI 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2016/04/01
Vol. E99-D  No. 4  pp. 873-882
Type of Manuscript:  Special Section PAPER (Special Section on Information and Communication System Security)
Category: Web security
Keyword: 
drive-by-downloadURL blacklistsearch spacemachine learningweb client honeypot
 Summary | Full Text:PDF(2MB)

MineSpider: Extracting Hidden URLs Behind Evasive Drive-by Download Attacks
Yuta TAKATA Mitsuaki AKIYAMA Takeshi YAGI Takeo HARIU Shigeki GOTO 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2016/04/01
Vol. E99-D  No. 4  pp. 860-872
Type of Manuscript:  Special Section PAPER (Special Section on Information and Communication System Security)
Category: Web security
Keyword: 
drive-by downloadweb-based malwarecode analysisredirection analysis
 Summary | Full Text:PDF(912KB)

Client Honeypot Multiplication with High Performance and Precise Detection
Mitsuaki AKIYAMA Takeshi YAGI Youki KADOBAYASHI Takeo HARIU Suguru YAMAGUCHI 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2015/04/01
Vol. E98-D  No. 4  pp. 775-787
Type of Manuscript:  Special Section PAPER (Special Section on Information and Communication System Security―Against Cyberattacks―)
Category: Attack Monitoring & Detection
Keyword: 
client honeypotdrive-by downloadweb-based malwareprocess sandboxintrusion detection
 Summary | Full Text:PDF(892.7KB)

Development of Low Loss Ultra-High Δ ZrO2-SiO2 PLC for Next Generation Compact and High-Density Integrated Devices
Masanori TAKAHASHI Yasuyoshi UCHIDA Shintaro YAMASAKI Junichi HASEGAWA Takeshi YAGI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2014/07/01
Vol. E97-C  No. 7  pp. 725-730
Type of Manuscript:  INVITED PAPER (Special Section on Opto-electronics and Communications for Future Optical Network)
Category: 
Keyword: 
integrated opticsMMI coupleroptical communicationoptical deviceplanar lightwave circuit
 Summary | Full Text:PDF(786.6KB)

Analysis of Blacklist Update Frequency for Countering Malware Attacks on Websites
Takeshi YAGI Junichi MURAYAMA Takeo HARIU Sho TSUGAWA Hiroyuki OHSAKI Masayuki MURATA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2014/01/01
Vol. E97-B  No. 1  pp. 76-86
Type of Manuscript:  PAPER
Category: Internet
Keyword: 
malwarewebsiteblacklistmonitoringstate transitionanalysis
 Summary | Full Text:PDF(3.1MB)

Evaluations and Analysis of Malware Prevention Methods on Websites
Takeshi YAGI Junichi MURAYAMA Takeo HARIU Hiroyuki OHSAKI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2013/12/01
Vol. E96-B  No. 12  pp. 3091-3100
Type of Manuscript:  PAPER
Category: Internet
Keyword: 
securitywebhoneypotmalwareanti-virusblacklistaccess filtering
 Summary | Full Text:PDF(1.7MB)

Intelligent High-Interaction Web Honeypots Based on URL Conversion Scheme
Takeshi YAGI Naoto TANIMOTO Takeo HARIU Mitsutaka ITOH 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2011/05/01
Vol. E94-B  No. 5  pp. 1339-1347
Type of Manuscript:  PAPER
Category: Internet
Keyword: 
securitywebhoneypotattackURL conversion
 Summary | Full Text:PDF(641.7KB)

Design of Provider-Provisioned Website Protection Scheme against Malware Distribution
Takeshi YAGI Naoto TANIMOTO Takeo HARIU Mitsutaka ITOH 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2010/05/01
Vol. E93-B  No. 5  pp. 1122-1130
Type of Manuscript:  Special Section PAPER (Special Section on Technology and Architecture for Sustainable Growth of the Internet)
Category: 
Keyword: 
securitywebvulnerabilityapplicationmalware
 Summary | Full Text:PDF(877.3KB)

Wide-Band High-Bit-Rate WDM Transmission Line with Medial Dispersion Fiber (MDF)
Kazunori MUKASA Takeshi YAGI Kunio KOKURA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2002/02/01
Vol. E85-B  No. 2  pp. 484-486
Type of Manuscript:  Special Section LETTER (Special Issue on 40 Gbit/s Optical Transmission Technologies)
Category: 
Keyword: 
high-bit-rate transmissionmedial dispersion fiberaccumulated dispersionlow non-linearitywideband
 Summary | Full Text:PDF(282.3KB)

Efficient FWM Based Broadband Wavelength Conversion Using a Short High-Nonlinearity Fiber
Osamu ASO Shin-ichi ARAI Takeshi YAGI Masateru TADAKUMA Yoshihisa SUZUKI Shu NAMIKI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2000/06/25
Vol. E83-C  No. 6  pp. 816-823
Type of Manuscript:  Special Section PAPER (Special Issue on Advanced Optical Devices for Next Generation High-Speed Communication Systems and Photonic Networks)
Category: Fibers
Keyword: 
wavelength conversionoptical phase conjugationWDMoptical networkoptical processing
 Summary | Full Text:PDF(1001.8KB)