How much was lost in the K33pr hack?

The K33pr hack resulted in $61K in losses on November 30, 2020.

What attack technique was used in the K33pr exploit?

The K33pr 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.

K33pr Hack

TOTAL LOST $61K

Low Nov 30, 2020 Rugpull ethereum

Affected Chain ethereum Incident surface

Recovered - No recovery reported

All-Time Rank #1671 By amount stolen

Protocol Type Exit Scam/Rugpull Target category

Incident Overview

The contract deployer added initial liquidity at:

https://etherscan.io/tx/0xabe77352…ede72e

The LP tokens were deposited to the Master Chef contract by the contract deployer:

https://etherscan.io/tx/0x0a2d5082…6a8090

The contract deployer added more liquidity at:

https://etherscan.io/tx/0x2997bcfd…961de2

The LP tokens were deposited to the Master Chef contract by the contract deployer:

https://etherscan.io/tx/0x5be48f4a…e0f568

The LP tokens were withdrawn from the Master Chef contract by the contract deployer:

https://etherscan.io/tx/0x4cc27d7e…b21858

https://etherscan.io/tx/0x2f09d761…7bdd5e

The liquidity was removed by the contract deployer at:

https://etherscan.io/tx/0xf55fab0a…8a95b0

https://etherscan.io/tx/0x02b796b6…52c0df

Incident Report

Protocol / Project K33pr

Date of Incident November 30, 2020

Affected Chain(s) ethereum

Attack Technique Rugpull

Classification Token

Primary Source View Post-Mortem

Protocol Information

Protocol Type Exit Scam/Rugpull

Affected Token K33PR

Official Website k33pr.com/

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 ethereum smart contracts and deploy a custom exploit contract

Protocol Analysis Identification of the exploitable vulnerability in K33pr'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 K33pr, these are the critical security checks that could have prevented this incident (November 2020).

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://k33pr.com/

Threat Assessment

Severity Level

LOW

Attack Vector Rugpull
Root Cause Token
Year 2020

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