Questions tagged [hack]

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help i neeed somone to tell me

I received that amount from an unknown source. what also troubles me is that my wallet displaces a much larger amount than i received which i cant explain.my gool is to convert that amount to EUR but ...
niko's user avatar
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UNKNWON TRANSACTION TO MY WALLET

I received that amount from an unknown source. what also troubles me is that my wallet displaces a much larger amount than i received which i cant explain.my gool is to convert that amount to EUR but ...
niko's user avatar
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1 answer
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Best approach to simplify phantom array logic (ERC721 Enumerable) [HARD]

I wanted to create an ERC721 token vault with arbitrary numbers of NFTs pre-"minted", yet compliant with IERC721Enumerable as a proof-of-concept. For simplicity, the NFT ids are contiguous. ...
Ashraile's user avatar
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130 views

How to know in a deterministic way if a specifc address is vulnerable to the profanity hack?

Context : My private key just got stolen. The thieve sent to me a message starting by ”nice payment for your work„ on https://chat.blockscan.com along an e‑mail from [email protected] revealing a ...
user2284570's user avatar
0 votes
1 answer
16 views

How do hackers fund their Ethereum gas for attacking contracts?

I was wondering how do hackers fund their Ethereum balances privately to further execute attacks? What protocols do they usually use?
Mila A's user avatar
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2 votes
1 answer
53 views

Possible way to hack Solidity into executing a function directly from a struct as a method? (v0.8.20)

pragma solidity 0.8.20; contract SolidityLimitTest { mapping (address => Hack) private Hackable; struct Hack { uint amount; function(uint) returns (uint) ten_x; } ...
Ashraile's user avatar
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2 answers
31 views

Can frontrunners modify transaction parameters

I am asking if it's possible to change parameters of a function called, for example: function updatePrice(uint128 price) public onlyOwner{ latestPrice = price; lastPriceUpdate = ...
anonauditor's user avatar
3 votes
2 answers
447 views

How did I get my private key stolen?

Recently i received around 1400 USDC on my Ethereum wallet that I access through Metamask. Today I opened Metamask because I wanted to transfer those USDC, but I found that there were no USDC anymore ...
Andrea's user avatar
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Coinbase ghost transactions - what happened?

I went through the following process with a new wallet, and I lost my funds (not a lot)... I am trying to understand, from the blockchain perspective, what actually happened. This is the wallet in ...
Glenn Ferrie's user avatar
1 vote
0 answers
22 views

How to transfer nft from compromised wallet (sweeper bot actively looking) to secure address [duplicate]

One of my accounts was compromised and I have a valuable lens profile nft in that... every time I deposit matic for the gas fee to transfer nft someone steeled immediately .....please help.....
Aruna Saragada's user avatar
1 vote
1 answer
314 views

Fake BUSD transcation sent from my wallet (not fake 0 token scam)!

Transaction Hash: 0x7800fb4d9345fc7e8b2794a479f414948eb1a9126e14daff11d1802440996a68 The hackers sent fake busd token (with >0 amount) from multiple victims wallet to another wallet without any ...
ken's user avatar
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1 answer
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My Account is hacked. I send money in and its instantly sent to another address. I need to know how to stop this code from running? any thoughts?

I need to know how to stop a hack algorithm code from running on my meta-mask. As soon as I put any money into this account it is immediately sent to another address. I believe to someone called ...
Twok's user avatar
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54 views

ERC20 token stolen from smart contract

I created two tokens on bscscan and also created a smart contract for staking and swapping these tokens but someone called the swapping function and stole tokens from here and transferred to another ...
Sumit Sharma's user avatar
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Would ERC-4337 allow more fraud?

If Account Abstraction is going to be widely available, wouldn't scammers, just make you sign a smart contract (e.g. pretending to be a DEX or to buy an NFT) while the smart contract is actually an ...
curiousTrader's user avatar
2 votes
1 answer
42 views

How much ETC was stolen in the multiple 51% attacks on Ethereum-Classic?

Ethereum Classic was attacked multiple times back in 2020. How much was stolen and which addresses control these stolen funds now? And have they been sold?
Patoshi パトシ's user avatar
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Need help with a hacked MM defi wallet

How do I find software to run on my hacked defi wallet so I’m can beat the hacker to my tokens which he is harvesting from my staking which produces tokens 24/7.
Dan S's user avatar
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1 vote
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237 views

My Goerli wallet has been drained

I want to open this question from overflow since it was closed and I experience the same problem. This account "0x87C02eeacB08c11aFBb821798DB2F4cCcd8F9E3d" has been stealing many goerli and ...
ethereal1m's user avatar
2 votes
1 answer
167 views

Have any a16z-backed protocols ever been hacked?

This year, we saw the hack by exploit of a Binance bridge and a Ronin bridge due to weak code written by the protocol creators. a16z Crypto is the most influential DeFi protocol investor in web3, ...
user610620's user avatar
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-4 votes
1 answer
45 views

How can I use a reentrancy attack to permanently freeze funds?

If possible, can you please send me the code with as much details as possible? I would like to understand more about it but didn't find useful content on the internet. Thanks in advance
Joe B's user avatar
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1 answer
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Reentrancy attack question

// SPDX-License-Identifier: MIT pragma solidity ^0.8.0; import "@openzeppelin/contracts/access/Ownable.sol"; interface IBank { function deposit() external payable; function withdraw(...
Joe B's user avatar
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how do I decompile a code that has some bugs inside using bytecode?

i was tried to understand the codes inside a SC on BSC recently and i found some weird codes inside the decompiled section. i know some little solidity programming and tried to use Remix to reverse it ...
SaveHen's user avatar
0 votes
2 answers
740 views

How to ".call" a function of another contract which uses ".call"

So, I'm learning advanced smart contract development. Two days ago, I learned about Reentrancy attacks and then I also created two contracts Protocol.sol (vulnerable contract) + Hacker.sol (attacker ...
DevABDee's user avatar
  • 431
-1 votes
1 answer
968 views

Tracking ip in etherscan

How do you find ip address in an ethereum transaction/etherscan? My ledger wallet was recently compromised and the tokens in my wallet were stolen. Is there anyway i can track the ip address in ...
Tbone03's user avatar
1 vote
0 answers
111 views

Scam wallet token recovery

How to build a code to recover the remaining coins from a hacked wallet Assume a hacker has compromised the wallet and automatically withdraws some funds how do I recover the remaining funds and there ...
Pedro Ezekiel's user avatar
1 vote
1 answer
183 views

How to fix vulnerability in solidity contract

I have recently deployed a contract on the BSC mainnet that got drained of all the funds in it, but I can't seem to find where in my contract the loophole is to know how it got drained so it doesn't ...
Starbody's user avatar
2 votes
1 answer
52 views

How could someone negotiate with the hacker?

I'm reading this article, and quote: After negotiation, one hacker agreed to return 259+63 ETH Since only the hacker can control the ETH funds, and no one can lock the ETH. I'm wondering on what ...
daisy's user avatar
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1 vote
2 answers
543 views

Just got my contract drained- how?

I just got my contract drained, and am trying to understand how. Obviously I'm a noob, played with fire and got burned bad (shouldn't have big sums of money on contracts). I SHOULD have transferred my ...
master_axe's user avatar
0 votes
1 answer
595 views

Potential signature malleability in Solidity CTF

I am doing a CTF so I don't want to give too much information away. I am pretty sure I can practice signature malleability or otherwise abuse the signer functions to be able to mint tokens given the ...
jforte44's user avatar
0 votes
2 answers
126 views

The Ethernaut King Challenge

I am trying to pass level 9 of Ethernaut challenges known as the King contract. My designed contract for hacking the King contract is as follows: pragma solidity 0.8.0; contract MaliciousKing { ...
Sina Rahimi's user avatar