Systematic Treatment of Collusion Secure Codes: Security Definitions and Their Relations. - Katsunari Yoshioka; Junji Shikata; Tsutomu Matsumoto (ISC, 2003)

Random-Error Resilience of a Short Collusion-Secure Code. - Katsunari Yoshioka; Tsutomu Matsumoto (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2003)

On Collusion Security of Random Codes. - Katsunari Yoshioka; Junji Shikata; Tsutomu Matsumoto (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2005)

Information Hiding for Public Address Audio Signal using FH/FSK Spread-spectrum Scheme. - Kotaro Sonoda; Katsunari Yoshioka; Osamu Takizawa (IIH-MSP, 2007)

Malware Behavior Analysis in Isolated Miniature Network for Revealing Malware's Network Activity. - Daisuke Inoue; Katsunari Yoshioka; Masashi Eto; Yuji Hoshizawa; Koji Nakao (ICC, 2008)

An Incident Analysis System NICTER and Its Analysis Engines Based on Data Mining Techniques. - Daisuke Inoue; Katsunari Yoshioka; Masashi Eto; Masaya Yamagata; Eisuke Nishino; Jun'ichi Takeuchi; Kazuya Ohkouchi; Koji Nakao (ICONIP (1), 2008)

Fingerprinting Traffic Log. - Katsunari Yoshioka; Tsutomu Matsumoto (IIH-MSP, 2008)

Information Hiding on Lossless Data Compression. - Katsunari Yoshioka; Kotaro Sonoda; Osamu Takizawa; Tsutomu Matsumoto (J. Digit. Inf. Manag., 2008)

A Proposal of Malware Distinction Method Based on Scan Patterns Using Spectrum Analysis. - Masashi Eto; Kotaro Sonoda; Daisuke Inoue; Katsunari Yoshioka; Koji Nakao (ICONIP (2), 2009)

DAEDALUS: Novel Application of Large-Scale Darknet Monitoring for Practical Protection of Live Networks. - Daisuke Inoue; Mio Suzuki; Masashi Eto; Katsunari Yoshioka; Koji Nakao (RAID, 2009)

Automated Malware Analysis System and Its Sandbox for Revealing Malware's Internal and External Activities. - Daisuke Inoue; Katsunari Yoshioka; Masashi Eto; Yuji Hoshizawa; Koji Nakao (IEICE Trans. Inf. Syst., 2009)

Practical Correlation Analysis between Scan and Malware Profiles against Zero-Day Attacks Based on Darknet Monitoring. - Koji Nakao; Daisuke Inoue; Masashi Eto; Katsunari Yoshioka (IEICE Trans. Inf. Syst., 2009)

Malware Sandbox Analysis for Secure Observation of Vulnerability Exploitation. - Katsunari Yoshioka; Daisuke Inoue; Masashi Eto; Yuji Hoshizawa; Hiroki Nogawa; Koji Nakao (IEICE Trans. Inf. Syst., 2009)

Vulnerability in Public Malware Sandbox Analysis Systems. - Katsunari Yoshioka; Yoshihiko Hosobuchi; Tatsunori Orii; Tsutomu Matsumoto (SAINT, 2010)

Fine-Grain Feature Extraction from Malware's Scan Behavior Based on Spectrum Analysis. - Masashi Eto; Kotaro Sonoda; Daisuke Inoue; Katsunari Yoshioka; Koji Nakao (IEICE Trans. Inf. Syst., 2010)

Multi-Pass Malware Sandbox Analysis with Controlled Internet Connection. - Katsunari Yoshioka; Tsutomu Matsumoto (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2010)

An Empirical Evaluation of an Unpacking Method Implemented with Dynamic Binary Instrumentation. - Hyung Chan Kim; Tatsunori Orii; Katsunari Yoshioka; Daisuke Inoue; Jungsuk Song; Masashi Eto; Junji Shikata; Tsutomu Matsumoto; Koji Nakao (IEICE Trans. Inf. Syst., 2011)

Your Sandbox is Blinded: Impact of Decoy Injection to Public Malware Analysis Systems. - Katsunari Yoshioka; Yoshihiko Hosobuchi; Tatsunori Orii; Tsutomu Matsumoto (J. Inf. Process., 2011)

An Efficient Dynamic Detection Method for Various x86 Shellcodes. - Takayoshi Fujii; Katsunari Yoshioka; Junji Shikata; Tsutomu Matsumoto (SAINT, 2012)

Malware Detection Method by Catching Their Random Behavior in Multiple Executions. - Takahiro Kasama; Katsunari Yoshioka; Daisuke Inoue; Tsutomu Matsumoto (SAINT, 2012)

A Method of Preventing Unauthorized Data Transmission in Controller Area Network. - Tsutomu Matsumoto; Masato Hata; Masato Tanabe; Katsunari Yoshioka; Kazuomi Oishi (VTC Spring, 2012)

Malware Sandbox Analysis with Efficient Observation of Herder's Behavior. - Takahiro Kasama; Katsunari Yoshioka; Tsutomu Matsumoto; Masaya Yamagata; Masashi Eto; Daisuke Inoue; Koji Nakao (J. Inf. Process., 2012)

Search Engine Based Investigation on Misconfiguration of Zone Transfer. - Yin Minn Pa Pa; Katsunari Yoshioka; Tsutomu Matsumoto (AsiaJCIS, 2013)

Catching the Behavioral Differences between Multiple Executions for Malware Detection. - Takahiro Kasama; Katsunari Yoshioka; Daisuke Inoue; Tsutomu Matsumoto (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2013)

Detecting Obfuscated Suspicious JavaScript Based on Information-Theoretic Measures and Novelty Detection. - Jiawei Su; Katsunari Yoshioka; Junji Shikata; Tsutomu Matsumoto (ICISC, 2015)

AmpPot: Monitoring and Defending Against Amplification DDoS Attacks. - Lukas Krämer; Johannes Krupp; Daisuke Makita; Tomomi Nishizoe; Takashi Koide; Katsunari Yoshioka; Christian Rossow (RAID, 2015)

IoTPOT: Analysing the Rise of IoT Compromises. - Yin Minn Pa Pa; Shogo Suzuki; Katsunari Yoshioka; Tsutomu Matsumoto; Takahiro Kasama; Christian Rossow (WOOT, 2015)

Detecting Malicious Domains and Authoritative Name Servers Based on Their Distinct Mappings to IP Addresses. - Yin Minn Pa Pa; Katsunari Yoshioka; Tsutomu Matsumoto (J. Inf. Process., 2015)

Wamber: Defending Web Sites on Hosting Services with Self-Learning Honeypots. - Satomi Saito; Satoru Torii; Katsunari Yoshioka; Tsutomu Matsumoto (AsiaJCIS, 2016)

Who Gets the Boot? Analyzing Victimization by DDoS-as-a-Service. - Arman Noroozian; Maciej Korczynski; Carlos Hernandez Gañán; Daisuke Makita; Katsunari Yoshioka; Michel van Eeten (RAID, 2016)

SandPrint: Fingerprinting Malware Sandboxes to Provide Intelligence for Sandbox Evasion. - Akira Yokoyama; Kou Ishii; Rui Tanabe; Yinmin Papa; Katsunari Yoshioka; Tsutomu Matsumoto; Takahiro Kasama; Daisuke Inoue; Michael Brengel; Michael Backes 001; Christian Rossow (RAID, 2016)

Evaluating Malware Mitigation by Android Market Operators. - Yosuke Kikuchi; Hiroshi Mori; Hiroki Nakano; Katsunari Yoshioka; Tsutomu Matsumoto; Michel van Eeten (CSET @ USENIX Security Symposium, 2016)

IoTPOT: A Novel Honeypot for Revealing Current IoT Threats. - Yin Minn Pa Pa; Shogo Suzuki; Katsunari Yoshioka; Tsutomu Matsumoto; Takahiro Kasama; Christian Rossow (J. Inf. Process., 2016)

Traffic Measurements for Cyber Security. - Wojciech Mazurczyk; Maciej Korczynski; Koji Nakao; Engin Kirda; Cristian Hesselman; Katsunari Yoshioka (IEEE Commun. Mag., 2017)

Evaluating Disassembly-Code Based Similarity between IoT Malware Samples. - Ryoichi Isawa; Tao Ban; Ying Tie; Katsunari Yoshioka; Daisuke Inoue (AsiaJCIS, 2018)

Evasive Malware via Identifier Implanting. - Rui Tanabe; Wataru Ueno; Kou Ishii; Katsunari Yoshioka; Tsutomu Matsumoto; Takahiro Kasama; Daisuke Inoue; Christian Rossow (DIMVA, 2018)

A Cross-Platform Study on IoT Malware. - Tao Ban; Ryoichi Isawa; Katsunari Yoshioka; Daisuke Inoue (ICMU, 2018)

Towards Finding Code Snippets on a Question and Answer Website Causing Mobile App Vulnerabilities. - Hiroki Nakano; Fumihiro Kanei; Yuta Takata; Mitsuaki Akiyama; Katsunari Yoshioka (IEICE Trans. Inf. Syst., 2018)

Toward Collaborative Defense Across Organizations. - Takayuki Sasaki; Katsunari Yoshioka; Tsutomu Matsumoto (J. Inf. Process., 2018)

IoTProtect: Highly Deployable Whitelist-based Protection for Low-cost Internet-of-Things Devices. - Chun-Jung Wu; Ying Tie; Satoshi Hara 002; Kazuki Tamiya; Akira Fujita; Katsunari Yoshioka; Tsutomu Matsumoto (J. Inf. Process., 2018)

Detect Me If You... Oh Wait. An Internet-Wide View of Self-Revealing Honeypots. - Shun Morishita; Takuya Hoizumi; Wataru Ueno; Rui Tanabe; Carlos Gañán; Michel van Eeten; Katsunari Yoshioka; Tsutomu Matsumoto (IM, 2019)

Cleaning Up the Internet of Evil Things: Real-World Evidence on ISP and Consumer Efforts to Remove Mirai. - Orçun Çetin; Carlos Gañán; Lisette Altena; Takahiro Kasama; Daisuke Inoue; Kazuki Tamiya; Ying Tie; Katsunari Yoshioka; Michel van Eeten (NDSS, 2019)

A Cross-Platform Study on Emerging Malicious Programs Targeting IoT Devices. - Tao Ban; Ryoichi Isawa; Shin-Ying Huang; Katsunari Yoshioka; Daisuke Inoue (IEICE Trans. Inf. Syst., 2019)

Disposable botnets: examining the anatomy of IoT botnet infrastructure. - Rui Tanabe; Tatsuya Tamai; Akira Fujita; Ryoichi Isawa; Katsunari Yoshioka; Tsutomu Matsumoto; Carlos Gañán; Michel van Eeten (ARES, 2020)

It Never Rains but It Pours: Analyzing and Detecting Fake Removal Information Advertisement Sites. - Takashi Koide; Daiki Chiba 001; Mitsuaki Akiyama; Katsunari Yoshioka; Tsutomu Matsumoto (DIMVA, 2020)

On the Origin of Scanning: The Impact of Location on Internet-Wide Scans. - Gerry Wan; Liz Izhikevich; David Adrian; Katsunari Yoshioka; Ralph Holz; Christian Rossow; Zakir Durumeric (Internet Measurement Conference, 2020)

Tracing and Analyzing Web Access Paths Based on User-Side Data Collection: How Do Users Reach Malicious URLs? - Takeshi Takahashi 001; Christopher Kruegel; Giovanni Vigna; Katsunari Yoshioka; Daisuke Inoue (RAID, 2020)

APTGen: An Approach towards Generating Practical Dataset Labelled with Targeted Attack Sequences. - Yusuke Takahashi; Shigeyoshi Shima; Rui Tanabe; Katsunari Yoshioka (CSET @ USENIX Security Symposium, 2020)

IoT Malware Analysis and New Pattern Discovery Through Sequence Analysis Using Meta-Feature Information. - Chun-Jung Wu; Shin-Ying Huang; Katsunari Yoshioka; Tsutomu Matsumoto (IEICE Trans. Commun., 2020)

Pay the Piper: DDoS Mitigation Technique to Deter Financially-Motivated Attackers. - Takayuki Sasaki; Carlos Hernandez Gañán; Katsunari Yoshioka; Michel van Eeten; Tsutomu Matsumoto (IEICE Trans. Commun., 2020)

Detecting and Understanding Online Advertising Fraud in the Wild. - Fumihiro Kanei; Daiki Chiba 001; Kunio Hato; Katsunari Yoshioka; Tsutomu Matsumoto; Mitsuaki Akiyama (IEICE Trans. Inf. Syst., 2020)

Dangers of IP Camera - An Observational Study on Peeping. - Kazuki Tamiya; Aamir H. Bokhari; Yuta Ezawa; Sou Nakayama; Ying Tie; Rui Tanabe; Akira Fujita; Katsunari Yoshioka; Tsutomu Matsumoto (J. Inf. Process., 2020)

ThingGate: A Gateway for Managing Traffic of Bare-metal IoT Honeypot. - Chun-Jung Wu; Katsunari Yoshioka; Tsutomu Matsumoto (J. Inf. Process., 2020)

Adaptive Observation of Emerging Cyber Attacks targeting Various IoT Devices. - Seiya Kato; Rui Tanabe; Katsunari Yoshioka; Tsutomu Matsumoto (IM, 2021)

Designing Comprehensive Cyber Threat Analysis Platform: Can We Orchestrate Analysis Engines? - Takeshi Takahashi 001; Yuki Umemura; Chansu Han; Tao Ban; Keisuke Furumoto; Ohnori Nakamura; Katsunari Yoshioka; Jun'ichi Takeuchi; Noboru Murata; Yoshiaki Shiraishi (PerCom Workshops, 2021)

Leveraging Machine Learning Techniques to Identify Deceptive Decoy Documents Associated With Targeted Email Attacks. - Bo Sun; Tao Ban; Chansu Han; Takeshi Takahashi 001; Katsunari Yoshioka; Jun'ichi Takeuchi; Abdolhossein Sarrafzadeh; Meikang Qiu; Daisuke Inoue (IEEE Access, 2021)

To Get Lost is to Learn the Way: An Analysis of Multi-Step Social Engineering Attacks on the Web. - Takashi Koide; Daiki Chiba 001; Mitsuaki Akiyama; Katsunari Yoshioka; Tsutomu Matsumoto (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2021)

Empirical Analysis of Security and Power-Saving Features of Port Knocking Technique Applied to an IoT Device. - Aamir H. Bokhari; Yuta Inoue; Seiya Kato; Katsunari Yoshioka; Tsutomu Matsumoto (J. Inf. Process., 2021)

Understanding the Fake Removal Information Advertisement Sites. - Takashi Koide; Daiki Chiba 001; Mitsuaki Akiyama; Katsunari Yoshioka; Tsutomu Matsumoto (J. Inf. Process., 2021)

Editor's Message to Special Issue of Computer Security Technologies for Realizing Society 5.0. - Katsunari Yoshioka (J. Inf. Process., 2021)

An Internet-Wide View of Connected Cars: Discovery of Exposed Automotive Devices. - Takahiro Ueda; Takayuki Sasaki; Katsunari Yoshioka; Tsutomu Matsumoto (ARES, 2022)

No Spring Chicken: Quantifying the Lifespan of Exploits in IoT Malware Using Static and Dynamic Analysis. - Arwa Abdulkarim Al Alsadi; Kaichi Sameshima; Jakob Bleier; Katsunari Yoshioka; Martina Lindorfer; Michel van Eeten; Carlos Hernandez Gañán (AsiaCCS, 2022)

SPOT: Analyzing IoT Ransomware Attacks using Bare Metal NAS Devices. - Hiroki Yasui; Takahiro Inoue; Takayuki Sasaki; Rui Tanabe; Katsunari Yoshioka; Tsutomu Matsumoto (AsiaJCIS, 2022)

Fighting IoT Cyberattacks: Device Discovery, Attack Observation and Security Notification. - Katsunari Yoshioka (CPSS@AsiaCCS, 2022)

Amplification Chamber: Dissecting the Attack Infrastructure of Memcached DRDoS Attacks. - Mizuki Kondo; Rui Tanabe; Natsuo Shintani; Daisuke Makita; Katsunari Yoshioka; Tsutomu Matsumoto (DIMVA, 2022)

Multifaceted Analysis of Malicious Ethereum Accounts and Corresponding Activities. - Jia Wang; Takayuki Sasaki; Kazumasa Omote; Katsunari Yoshioka; Tsutomu Matsumoto (CSP, 2022)

Exposed Infrastructures: Discovery, Attacks and Remediation of Insecure ICS Remote Management Devices. - Takayuki Sasaki; Akira Fujita; Carlos Hernandez Gañán; Michel van Eeten; Katsunari Yoshioka; Tsutomu Matsumoto (SP, 2022)

Connection Type Identification and Uplink Speed Estimation of Malware Infected Hosts. - Xuping Huang; Shunsuke Mochizuki; Katsunari Yoshioka (J. Inf. Process., 2022)

Exploring Event-synced Navigation Attacks across User-generated Content Platforms in the Wild. - Hiroki Nakano; Daiki Chiba 001; Takashi Koide; Mitsuaki Akiyama; Katsunari Yoshioka; Tsutomu Matsumoto (J. Inf. Process., 2022)

Disposable Botnets: Long-term Analysis of IoT Botnet Infrastructure. - Rui Tanabe; Tsuyufumi Watanabe; Akira Fujita; Ryoichi Isawa; Carlos Gañán; Michel van Eeten; Katsunari Yoshioka; Tsutomu Matsumoto (J. Inf. Process., 2022)

Canary in Twitter Mine: Collecting Phishing Reports from Experts and Non-experts. - Hiroki Nakano; Daiki Chiba 001; Takashi Koide; Naoki Fukushi; Takeshi Yagi; Takeo Hariu; Katsunari Yoshioka; Tsutomu Matsumoto (ARES, 2023)

Peering into the Darkness: The Use of UTRS in Combating DDoS Attacks. - Radu Anghel; Swaathi Vetrivel; Elsa Turcios Rodriguez; Kaichi Sameshima; Daisuke Makita; Katsunari Yoshioka; Carlos Gañán; Yury Zhauniarovich (ESORICS (2), 2023)

Who are youƒ OSINT-based Profiling of Infrastructure Honeypot Visitors. - Takayuki Sasaki; Katsunari Yoshioka; Tsutomu Matsumoto (ISDFS, 2023)

Bin there, target that: Analyzing the target selection of IoT vulnerabilities in malware binaries. - Arwa Abdulkarim Al Alsadi; Kaichi Sameshima; Katsunari Yoshioka; Michel van Eeten; Carlos Hernandez Gañán (RAID, 2023)

An Attacker's Dream? Exploring the Capabilities of ChatGPT for Developing Malware. - Yin Minn Pa Pa; Shunsuke Tanizaki; Tetsui Kou; Michel van Eeten; Katsunari Yoshioka; Tsutomu Matsumoto (CSET @ USENIX Security Symposium, 2023)

Simulating and Estimating the Effectiveness of Security Notification by ISP to Malware-Infected Users. - Xuping Huang; Shunsuke Mochizuki; Akira Fujita; Katsunari Yoshioka (J. Inf. Process., 2023)

Mitigate: Toward Comprehensive Research and Development for Analyzing and Combating IoT Malware. - Koji Nakao; Katsunari Yoshioka; Takayuki Sasaki; Rui Tanabe; Xuping Huang; Takeshi Takahashi 001; Akira Fujita; Jun'ichi Takeuchi; Noboru Murata; Junji Shikata; Kazuki Iwamoto; Kazuki Takada; et al. (IEICE Trans. Inf. Syst., 2023)

Customized Malware: Identifying Target Systems Using Personally Identifiable Information. - Rui Tanabe; Yuta Inoue; Daigo Ichikawa; Takahiro Kasama; Daisuke Inoue; Katsunari Yoshioka; Tsutomu Matsumoto (COMPSAC, 2024)

A Case Study of URL Blocklist Maintenance. - Mizuho Hasegawa; Yamato Kawaguchi; Hiroaki Takayama; Yasuhiro Kunimine; Hidekazu Tanaka; Shintaro Kawamura; Akira Fujita; Shingo Yasuda; Daisuke Inoue; Nobuyo Fujiwara; Kazuki Takada; Rui Tanabe; et al. (DSC, 2024)

Exploring the Impact of LLM Assisted Malware Variants on Anti-Virus Detection. - Zhewei Huang; Yin Minn Pa Pa; Katsunari Yoshioka (DSC, 2024)

Investigating Black-Market Jobs on Social Networking Service. - Yamato Kawaguchi; Kazuki Takada; Yin Minn Pa Pa; Rui Tanabe; Katsunari Yoshioka; Tsutomu Matsumoto (DSC, 2024)

VT-SOS: A Cost-effective URL Warning utilizing VirusTotal as a Second Opinion Service. - Kyohei Takao; Chika Hiraishi; Rui Tanabe; Kazuki Takada; Akira Fujita; Daisuke Inoue; Carlos Gañán; Michel van Eeten; Katsunari Yoshioka; Tsutomu Matsumoto (NOMS, 2024)

Who Left the Door Open? Investigating the Causes of Exposed IoT Devices in an Academic Network. - Takayuki Sasaki; Takaya Noma; Yudai Morii; Toshiya Shimura; Michel van Eeten; Katsunari Yoshioka; Tsutomu Matsumoto (SP, 2024)

Honeypot Method to Lure Attackers Without Holding Crypto-Assets. - Hironori Uchibori; Katsunari Yoshioka; Kazumasa Omote (IEEE Access, 2024)

Observation of Human-Operated Accesses Using Remote Management Device Honeypot. - Takayuki Sasaki; Mami Kawaguchi; Takuhiro Kumagai; Katsunari Yoshioka; Tsutomu Matsumoto (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2024)

Understanding Characteristics of Phishing Reports from Experts and Non-Experts on Twitter. - Hiroki Nakano; Daiki Chiba 001; Takashi Koide; Naoki Fukushi; Takeshi Yagi; Takeo Hariu; Katsunari Yoshioka; Tsutomu Matsumoto (IEICE Trans. Inf. Syst., 2024)

Characteristics Comparison between Carpet Bombing-type and Single Target DRDoS Attacks Observed by Honeypot. - Qingxin Mao; Daisuke Makita; Michel van Eeten; Katsunari Yoshioka; Tsutomu Matsumoto (J. Inf. Process., 2024)

EtherWatch: A Framework for Detecting Suspicious Ethereum Accounts and Their Activities. - Takayuki Sasaki; Jia Wang; Kazumasa Omote; Katsunari Yoshioka; Tsutomu Matsumoto (J. Inf. Process., 2024)

SPOT: In-depth Analysis of IoT Ransomware Attacks Using Bare Metal NAS Devices. - Hiroki Yasui; Takahiro Inoue; Takayuki Sasaki; Rui Tanabe; Katsunari Yoshioka; Tsutomu Matsumoto (J. Inf. Process., 2024)

Am I Infected? Lessons from Operating a Large-Scale IoT Security Diagnostic Service. - Takayuki Sasaki; Tomoya Inazawa; Youhei Yamaguchi; Simon Parkin; Michel van Eeten; Katsunari Yoshioka; Tsutomu Matsumoto (CoRR, 2025)

Unveiling IoT Threats: A Case Study on Darknet and Honeypot Analysis. - Koji Nakao; Daisuke Inoue; Katsunari Yoshioka (Computer, 2025)