Top 2026 LLM-Based Attack Detection: Obfuscated Premium LLM Access via Proxy/Mid
Detects high-frequency, automated API requests to commercial Large Language Model (LLM) endpoints from a single source IP. The rule identifies suspicious activity characterized by a rapid rotation of multiple API tokens, often indicative of an intermediary proxy or middleware service attempting to bypass provider-specific usage limits, billing controls, or safety guardrails.
YARA-L

