How much was lost in the AutobotDefi hack?

The AutobotDefi hack resulted in $797 in losses on December 05, 2021.

What attack technique was used in the AutobotDefi exploit?

The AutobotDefi exploit utilized Rugpull. Understanding this attack vector is critical for smart contract auditors and developers building secure DeFi protocols.

How can developers prevent similar smart contract attacks?

Preventing smart contract hacks requires a combination of secure coding practices, thorough security audits, and understanding common attack vectors like reentrancy, oracle manipulation, and access control flaws. Smart Contract Hacking (SCH) provides hands-on training to help developers and auditors identify and prevent vulnerabilities before deployment.

AutobotDefi Hack

TOTAL LOST $797

Low Dec 05, 2021 Rugpull

Affected Chain 2021 Incident surface

Recovered - No recovery reported

All-Time Rank #2021 By amount stolen

Protocol Type Exit Scam/Rugpull Target category

Incident Overview

The contract deployer added initial liquidity at:

https://ftmscan.com/tx/0xd3bafb04…29b83a

https://ftmscan.com/tx/0x532d327e…c303b2

https://ftmscan.com/tx/0x5f0b0ff0…b5ea68

The liquidity was removed by the contract deployer at:

https://ftmscan.com/tx/0xca77f2d1…ca3dc6

https://ftmscan.com/tx/0x809820e2…28b8bd

https://ftmscan.com/tx/0x64a69119…ceda02

Incident Report

Protocol / Project AutobotDefi

Date of Incident December 05, 2021

Attack Technique Rugpull

Classification Token

Primary Source View Post-Mortem

Protocol Information

Protocol Type Exit Scam/Rugpull

Affected Token ABOT

Official Website fantom.autobotdefi.com/

Team Anonymous

Source Code Unverified

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 AutobotDefi'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 AutobotDefi, these are the critical security checks that could have prevented this incident (December 2021).

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

01
Source 1 https://t.me/rugsteemer/834
02
Web Archive https://web.archive.org/web/20211202234234/https://fantom.autobo…

Threat Assessment

Severity Level

LOW

Attack Vector Rugpull
Root Cause Token
Year 2021

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