More Simplicity for Trainers, More Opportunity for Attackers: Black-Box Attacks on Speaker Recognition Systems by Inferring Feature Extractor. - Yunjie Ge; Pinji Chen; Qian Wang 002; Lingchen Zhao; Ningping Mou; Peipei Jiang 002; Cong Wang 001; Qi Li 002; Chao Shen 001 (USENIX Security Symposium, 2024)