4 papers
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…
Uncovering Gaps Between RFC Updates and TCP/IP Implementations: LLM-Facilitated Differential Checks on Intermediate Representations
Yifan Wu, Xuewei Feng, Yuxiang Yang +1
As the core of the Internet infrastructure, the TCP/IP protocol stack undertakes the task of network data transmission. However, due to the complexity of the protocol and the uncer…
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…
Off-Path TCP Hijacking in Wi-Fi Networks: A Packet-Size Side Channel Attack
Ziqiang Wang, Xuewei Feng, Qi Li +6
In this paper, we unveil a fundamental side channel in Wi-Fi networks, specifically the observable frame size, which can be exploited by attackers to conduct TCP hijacking attacks.…