Arbitrage Robot Token Hack

TOTAL LOST $472K
Low Other

Summarize with AI

ChatGPT Perplexity Claude Grok
Affected Chain 2022 Incident surface
Recovered - No recovery reported
All-Time Rank #1023 By amount stolen
Protocol Type Exploit/Other Target category

Incident Overview

Quick Summary

The Arbitrage Robot Token project's token $RBTR price dropped by over 96% after the Staking contract was exploited.

Details of the Exploit

Arbitrage Robot Token is a platform that provides arbitrage opportunities. The project's Staking contract was hacked because of security issues after a week of deployment. The attacker used a couple of deployed smart contracts with unverified source codes in order to drain all $RBTR tokens in the staking contract.

After stealing the funds, the attacker sold 10,088,644 $RBTR tokens for 472,459 $USD on PancakeSwap which dumped the token price by more than 96%.

Block Data Reference

Attacker address:

https://bscscan.com/address/0x7d2af4ff…b4eeee

Attacker contracts:

https://bscscan.com/address/0xf44d1c94…723096

https://bscscan.com/address/0x649b692a…d80594

Involved staking contract:

https://bscscan.com/address/0x55f41fde…db7c51

Exploited transaction:

https://bscscan.com/tx/0x673d8fd4…14a051

Swap transaction:

https://bscscan.com/tx/0x7fd773cf…5ec3e6

Incident Report

Protocol / Project Arbitrage Robot Token
Date of Incident
Attack Technique Other
Classification Token,Yield Aggregator
Primary Source View Post-Mortem

Protocol Information

Protocol Type Exploit/Other
Affected Token RBTR
Official Website rbtr.info/
Protocol Twitter/X @bitgetglobal
Team Anonymous
Source Code Verified On-Chain

Market Context at Time of Hack

Token Categories
Centralized Exchange (CEX) Token Ethereum Ecosystem Made in China
Protocol Links

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 other 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 Arbitrage Robot Token's contract logic - root cause: token,yield aggregator
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? Likely — with a thorough Other audit checklist and test coverage

If you're auditing a protocol with similar architecture to Arbitrage Robot Token, these are the critical security checks that could have prevented this incident (September 2022).

  • Verify all logic paths related to Other 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

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Sources & References

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