How much was lost in the Abattoir of Zir hack?

The Abattoir of Zir hack resulted in $226K in losses on December 06, 2023.

What attack technique was used in the Abattoir of Zir exploit?

The Abattoir of Zir 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.

Abattoir of Zir Hack

TOTAL LOST $226K

Low Dec 06, 2023 Rugpull

Affected Chain 2023 Incident surface

Recovered - No recovery reported

All-Time Rank #1256 By amount stolen

Protocol Type Exit Scam/Rugpull Target category

Incident Overview

Quick Summary

DIABLO token rugpull occurred as the deployer removed liquidity worth 234,639 USD from UniSwap pool.

Details of the Exploit

DIABLO is an ERC20 token trading on UniSwap. On Dec 06, 2023, the deployer removed liquidity from the LP pool, stealing 104.73 WETH equivalent to 234,639 USD. The stolen funds were then transferred to another EOA address and subsequently distributed among multiple addresses using Disperse.app.

Block Data Reference

Deployer Address:

https://etherscan.io/address/0x1bA6969b…Fbf2Df

Scammer Address:

https://etherscan.io/address/0x4649F627…9f9527

Liquidity Removal Transaction:

https://etherscan.io/tx/0x5dcf195b…a0ec00

Incident Report

Protocol / Project Abattoir of Zir

Date of Incident December 06, 2023

Attack Technique Rugpull

Classification Token

Primary Source View Post-Mortem

Protocol Information

Protocol Type Exit Scam/Rugpull

Affected Token DIABLO

Team Anonymous

Source Code Verified On-Chain

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 Abattoir of Zir'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 Abattoir of Zir, these are the critical security checks that could have prevented this incident (December 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

01
Source 1 https://twitter.com/PeckShieldAlert/status/1732591823531741189

Threat Assessment

Severity Level

LOW

Attack Vector Rugpull
Root Cause Token
Year 2023

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