How much was lost in the EI Risitas hack?

The EI Risitas hack resulted in $52K in losses on December 06, 2023.

What attack technique was used in the EI Risitas exploit?

The EI Risitas 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.

EI Risitas Hack

TOTAL LOST $52K

Low Dec 06, 2023 Rugpull

Affected Chain 2023 Incident surface

Recovered - No recovery reported

All-Time Rank #1709 By amount stolen

Protocol Type Exit Scam/Rugpull Target category

Incident Overview

Quick Summary

The KEK token was rugpulled by the scammer from the PancakeSwap liquidity pool worth 227.01 WBNB.

Details of the Exploit

KEK is a BEP20 token trading on PancakeSwap. On Dec 6, 2023, the scammer swapped a significantly larger number of tokens, which completely depleted the liquidity pool. The stolen funds, totaling 52,351 USD were distributed between multiple addresses.

Block Data Reference

Deployer Address:

https://bscscan.com/address/0x9518Fa6a…04ad4C

Scammer Address:

https://bscscan.com/address/0xFb4298Be…45769D

Liquidity Removal Transaction:

https://bscscan.com/tx/0x8b86e657…378271

Incident Report

Protocol / Project EI Risitas

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 KEK

Official Website elrisitastoken.com/

Protocol Twitter/X @Kek__MemeErc

Team Anonymous

Source Code Verified On-Chain

Market Context at Time of Hack

Token Categories

Ethereum Ecosystem

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 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 EI Risitas'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 EI Risitas, 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/1732253424790749574?s=20

Threat Assessment

Severity Level

LOW

Attack Vector Rugpull
Root Cause Token
Year 2023

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