SAI Pro Hack

TOTAL LOST $752K
Low Rugpull

Summarize with AI

ChatGPT Perplexity Claude Grok
Affected Chain 2023 Incident surface
Recovered - No recovery reported
All-Time Rank #900 By amount stolen
Protocol Type Exit Scam/Rugpull Target category

Incident Overview

Quick Summary

SAI token was rugpulled by the deployer, removing liquidity worth 1,753,202 USD from the PancakeSwap pool, causing a total loss of 751,627 USD.

Details of the Exploit

SAI is a BEP20 token trading on PancakeSwap. On Nov 23, 2023, the deployer performed an exit scam by dumping liquidity from the LP pool in two large transactions, selling a significant number of tokens worth 1,753,202 USD. On November 9, 2023, the deployer added 999,962 USDT as liquidity, so the user loss is 751,627 USDT.

The stolen funds were transferred to another EOA address and remain in the scammer's possession as USDT.

Block Data Reference

Deployer Address:

https://bscscan.com/address/0x7dFeBF01…cEBA2A

Funds Holder as of Nov 23, 2023:

https://bscscan.com/address/0x23f8c805…fFd896

Token Swap Transactions:

https://bscscan.com/tx/0xd8dc1d95…061ea5

https://bscscan.com/tx/0x141e16b6…bbef0b

Incident Report

Protocol / Project SAI Pro
Date of Incident
Attack Technique Rugpull
Classification Token
Primary Source View Post-Mortem

Protocol Information

Protocol Type Exit Scam/Rugpull
Affected Token SAI
Official Website www.apro.com/
Protocol Twitter/X @APRO_Oracle
Team Anonymous
Source Code Verified On-Chain

Market Context at Time of Hack

Token Categories
AI & Big Data DeFi Oracles Ethereum Ecosystem BNB Chain Ecosystem Binance Alpha Airdrops Binance Ecosystem Binance Listing
Protocol Links
GitHub Discord

What the Attacker Needed to Succeed

Understanding the prerequisites for this type of attack helps auditors identify protocols that are most at risk and helps developers build better defenses.

Technical Knowledge Deep understanding of rugpull and Solidity and EVM internals
Capital Required Seed capital to cover gas and initial position setup
On-Chain Access Ability to interact with smart contracts and deploy a custom exploit contract
Protocol Analysis Identification of the exploitable vulnerability in SAI Pro's contract logic - root cause: token
Execution Speed Precise transaction ordering and timing to exploit the vulnerability within a single atomic block
Obfuscation Plan A strategy to launder and move stolen funds - typically through mixers, cross-chain bridges, or decentralized DEX swaps to resist tracing

What Auditors Should Check

Could this have been caught in audit? Hard to catch — private key / OpSec failures are outside smart contract audit scope

If you're auditing a protocol with similar architecture to SAI Pro, these are the critical security checks that could have prevented this incident (November 2023).

  • Verify all logic paths related to Rugpull are guarded by proper access controls and input validation
  • Review privileged functions (owner, admin, governance) for potential abuse vectors - centralization risks should be documented and bounded with timelocks or multi-sigs

Master these auditing techniques with hands-on labs and real exploit scenarios in the Smart Contract Hacking course.

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Sources & References

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