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Zhiyun Qian

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titleconferencedate
Enhancing Static Analysis for Practical Bug Detection: An LLM-Integrated ApproachOOPSLA 20242024-10-20
A framework called LLift combines an existing static checker (UBTag) with iterative LLM queries to resolve UBTag’s 53k “undecided” paths, using post-constraint…
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Dilemma in IoT Access Control: Revealing Novel Attacks and Design Challenges in Mobile-as-a-GatewayBlack Hat Asia 20232023-05-09
Bought and reverse-engineered 10 real-world devices (mainly smart locks and trackers) and finds every vendor drops critical semantics when translating cloud…
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Unsafe at Any Copy: Name Collisions from Mixing Case SensitivitiesFAST '23: 21st USENIX Conference on File and Storage Technologies2023-02-21
Work builds an auditd-based detector and a test suite that drives copy utilities (cp, rsync, tar) and reproduces the Git CVE; experiments on ext4 with…
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Charm: Facilitating Dynamic Analysis of Device Drivers of Mobile SystemsUSENIX Security '182018-08-15
System runs mobile device drivers inside an x86 VM via remote device driver execution and a custom low-latency USB channel that forwards register I/O…
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Detecting Android Root Exploits by Learning from Root Providers26th USENIX Security Symposium (USENIX Security '17)2017-08-16
RootExplorer learns environment checks from one‑click root apps and uses that to craft analysis targets: it extracts 167 exploit binaries (from 59 exploit…
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Off-Path TCP Exploits: Global Rate Limit Considered DangerousUSENIX Security '162016-08-10
Claims a practical off‑path side channel (CVE-2016-5696) in Linux kernels 3.6+ that leverages a global challenge-ACK rate limit to tell if two hosts share a…
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