4 papers
AFL-ICP: Enhancing Industrial Control Protocol Reliability via Specification-Guided Fuzzing
Jiaying Meng, Xuewei Feng, Qi Li +2
Industrial Control Protocols (ICPs) are critical to the reliability and stability of industrial infrastructure, yet their security is fundamentally compromised by a specification-b…
Invisible Adversaries: A Systematic Study of Session Manipulation Attacks on VPNs
Yuxiang Yang, Ao Wang, Xuewei Feng +2
Virtual Private Networks (VPNs) are widely used for censorship evasion and traffic protection. VPN users expect to be provided with adequate security protection, and at the same ti…
Off-Path TCP Exploits: PMTUD Breaks TCP Connection Isolation in IP Address Sharing Scenarios
Xuewei Feng, Zhaoxi Li, Qi Li +3
Path MTU Discovery (PMTUD) and IP address sharing are integral aspects of modern Internet infrastructure. In this paper, we investigate the security vulnerabilities associated with…
ReDAN: An Empirical Study on Remote DoS Attacks against NAT Networks
Xuewei Feng, Yuxiang Yang, Qi Li +6
In this paper, we conduct an empirical study on remote DoS attacks targeting NAT networks. We show that Internet attackers operating outside local NAT networks can remotely identif…