How much was lost in the Mars Farm hack?

The Mars Farm hack resulted in $38K in losses on March 04, 2021.

What attack technique was used in the Mars Farm exploit?

The Mars Farm 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.

Mars Farm Hack

TOTAL LOST $38K

Low Mar 04, 2021 Rugpull binance

Affected Chain binance Incident surface

Recovered - No recovery reported

All-Time Rank #1783 By amount stolen

Auditors 1 Prior security audit

Incident Overview

The contract deployer minted tokens onto his wallet at:

https://bscscan.com/tx/0x152671f8…9b1c7b

The contract deployer added initial liquidity at:

https://bscscan.com/tx/0x52037a40…d4b475

Liquidity was removed by the contract deployer at:

https://bscscan.com/tx/0xb74338b1…4ad986

Incident Report

Protocol / Project Mars Farm

Date of Incident March 04, 2021

Affected Chain(s) binance

Attack Technique Rugpull

Classification Borrowing and Lending

Primary Source View Post-Mortem

Protocol Information

Protocol Type Yield Aggregator

Affected Token MARS

Official Website marsfarm.org/

Protocol Twitter/X @farm_mars

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 binance smart contracts and deploy a custom exploit contract

Protocol Analysis Identification of the exploitable vulnerability in Mars Farm's contract logic - root cause: borrowing and lending

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

Audited by Audit Report 1 — still lost $38K. Prior audits don't guarantee safety, especially after post-audit code changes.

If you're auditing a protocol with similar architecture to Mars Farm, these are the critical security checks that could have prevented this incident (March 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.

Free Trial

Security Audit History

Audit Report 1 Report

Sources & References

01
Source 1 https://marsfarm.org/
02
Web Archive https://web.archive.org/web/20210227155132/https://marsfarm.org/

Threat Assessment

Severity Level

LOW

Attack Vector Rugpull
Root Cause Borrowing and Lending
Year 2021

Learn to Prevent the Next Mars Farm

The Mars Farm hack is one of many attacks that skilled auditors are trained to detect before deployment. Master real exploit patterns and defense techniques with hands-on Web3 security training.

Start Free Trial Browse Attack Library