Published inCoinsBench[Writeup] Vault game — Hats Finance CTF#2This is my solution for Vault-game from Hats Finance making me one of winners with rewards of 1000 DAI and a NFT.Oct 7, 2022Oct 7, 2022
Published inCoinsBench27.Good Samaritan — EthernautIn this challenge, we have instance contract `GoodSamaritan` which is owner of a `Wallet` contract that has `10**6` amount of `Coin`…Oct 1, 2022Oct 1, 2022
Published inCoinsBench14.Gatekeeper Two — EthernautAnother gatekeeper to bypass !Apr 12, 2022Apr 12, 2022
Published inCoinsBench13.Gatekeeper One — EthernautTo understand how types are converted in-betweenMar 21, 2022Mar 21, 2022
Published inCoinsBench17.Recovery — EthernautTo understand how contract addresses are calculated to be deployedFeb 10, 2022Feb 10, 2022
Published inCoinsBench16. Preservation — Ethernautto understand how delegatecall works, and how data types are convertedFeb 3, 2022Feb 3, 2022
RCE với ExpressJS và EJSTrong bài này, mình sẽ demo đơn giản RCE với một app ExpressJS đơn giản sử dụng EJS làm template engine. Cụ thể, với app như sau:Apr 25, 2021Apr 25, 2021
![[Write-up] ctflearn.com — Bite-code](https://miro.medium.com/v2/resize:fill:160:106/1*8GUBhZb72VdCFG6z3F-mAA.png)
![[Write-up] ctflearn.com — Bite-code](https://miro.medium.com/v2/resize:fill:320:214/1*8GUBhZb72VdCFG6z3F-mAA.png)
![[Write-up] Wargame 3.0 — Web08](https://miro.medium.com/v2/resize:fill:160:106/1*OLRlNMw8Qpi1tKvv5HtRHA.png)
![[Write-up] Wargame 3.0 — Web08](https://miro.medium.com/v2/resize:fill:320:214/1*OLRlNMw8Qpi1tKvv5HtRHA.png)
