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v3.3.0 - Agent Payment Redirect Defense

Release Date: 2026-02-17

🛡️ New Critical Pattern: agent_payment_hijack

Added 3 CRITICAL patterns to detect Agent Payment Redirect Injection attacks — previously undetected (returned SAFE for fund theft vectors).

Attack Vector

Adversarial injection instructs AI agents to silently redirect crypto payments (ETH/BTC/SOL/USDT/USDC) to attacker-controlled wallets while suppressing user notifications. This enables direct fund theft with no audit trail.

New Detection Signatures

Pattern Description
`(transfer send
send...0x[address]...quietly/silently Crypto address redirect with stealth instruction
redirect payment...do not log/record Payment redirect with audit suppression

Impact

  • Before: Agent Payment Redirect → SAFE (missed)
  • After: Agent Payment Redirect → CRITICAL (detected)