Questions tagged [hack]
The hack tag has no usage guidance.
29
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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 ...
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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 ...
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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. ...
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130
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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 ...
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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?
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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;
}
...
- 79
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31
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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 = ...
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447
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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 ...
- 31
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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 ...
- 115
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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.....
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314
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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 ...
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48
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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 ...
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54
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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 ...
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53
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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 ...
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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?
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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.
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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 ...
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167
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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, ...
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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
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38
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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(...
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128
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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 ...
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740
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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 ...
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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 ...
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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 ...
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183
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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 ...
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52
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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 ...
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543
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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 ...
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595
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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 ...
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126
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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 {
...
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