~/talks

Taesoo Kim

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titleconferencedate
OSS-CRS: Liberating AIxCC Cyber Reasoning Systems for Real-World Open-Source Security20th USENIX WOOT Conference on Offensive Technologies (WOOT '26)2026-08-10
An open, locally deployable framework that ports components from all seven AIxCC finalist CRSs and runs them modularly on OSS-Fuzz projects, using a…
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Principles and Methodologies for Serial Performance OptimizationOSDI '252025-07-07
Reviewing 477 OSDI/SOSP papers from the past decade yields a claim that sequential optimizations fall into three principles—remove, replace, reorder—and eight…
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Modulo: Finding Convergence Failure Bugs in Distributed Systems with Divergence...USENIX ATC '222022-07-11
Modulo is a model-based tester that uses Divergence Resync Models to focus state exploration on interleavings of divergence and resync, generating schedules…
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PRIDWEN: Universally Hardening SGX Programs via Load-Time SynthesisUSENIX ATC '222022-07-11
PRIDWEN is a load-time loader that probes remote platform features, decides an optimal set of side‑channel mitigations, and synthesizes a native binary from a…
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Taking Kernel Hardening to the Next LevelBlack Hat Asia 20222022-05-10
Proposes two concrete kernel defenses: KL tightens PA-based CFI by mixing type, object type and an invariant per-instance field and, when applied to Linux…
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Finding Consensus Bugs in Ethereum via Multi-transaction Differential Fuzzing15th USENIX Symposium on Operating Systems Design and Implementation (OSDI '21)2021-07-14
Fluffy mutates and executes multi-transaction differential fuzzing test cases against multiple Ethereum clients (Geth, OpenEthereum), exercising different…
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libmpk: Software Abstraction for Intel Memory Protection Keys (Intel MPK)USENIX ATC '192019-07-10
libmpk virtualizes Intel MPK so 16 hardware keys become an unlimited virtual key space, prevents protection-key-use-after-free by managing and protecting…
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Efficient Protection of Path-Sensitive Control Security26th USENIX Security Symposium (USENIX Security '17)2017-08-16
Path-sensitive CFI uses runtime, path-sensitive points-to analysis combined with hardware tracing to reduce target sets and stop realistic control-flow…
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PlatPal: Detecting Malicious Documents with Platform Diversity26th USENIX Security Symposium (USENIX Security '17)2017-08-16
Prototype PLATPAL harvests OS differences to detect maldocs by tracing inside Adobe Reader and capturing host syscall effects in sandboxed VMs; PLATPAL hooks…
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Hacking in Darkness: Return-oriented Programming against Secure Enclaves26th USENIX Security Symposium (USENIX Security '17)2017-08-16
Demonstrates a concrete exploit, Dark-ROP, that uses OS control plus oracle timing from SGX synchronous exits to discover and chain thousands (~13k) pop…
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Inferring Fine-grained Control Flow Inside SGX Enclaves with Branch Shadowing26th USENIX Security Symposium (USENIX Security '17)2017-08-16
Shows a practical side‑channel that leaks branch‑level control flow from SGX by running colliding shadow branches outside the enclave and reading prediction…
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APISan: Sanitizing API Usages through Semantic Cross-CheckingUSENIX Security '162016-08-10
APISan automatically infers correct API usage by mining semantic patterns from code, building relaxed symbolic execution abstractions (api calls, arguments…
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Breaking Kernel Address Space Layout Randomization (KASLR) With Intel TSXBlack Hat USA 20162016-08-03
A new attack called DrK uses Intel Transactional Synchronization Extensions to time aborted transactions and distinguish unmapped, mapped non‑executable, and…
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