Write-Ups
assert2shell
by Razvan,
CTF: Lake Ctf Quals 2025
Category: Pwn
Knowledge Nuggets: glibc heap bins, tcache safe-linking, unsorted bin libc leak, House of Apple FSOP
Administration Console
by Tania,
CTF: Hackday Quals 2026
Category: web3
Knowledge Nuggets: Solidity, keccak256 collisions, selfdestruct ether injection, access control
Millennium Kombat
by Tania,
CTF: Hackday Quals 2026
Category: web3
Knowledge Nuggets: Predictable on-chain RNG, block.prevrandao misuse, seed-based move prediction, brute-force first state
NFTrap
by Tania,
CTF: Hackday Quals 2026
Category: web3
Knowledge Nuggets: Unrestricted ERC721 mint, staking reward drain, time-warp state variable, token-for-ETH swap exploit
Secret Ledger
by Tania,
CTF: Hackday Quals 2026
Category: web3
Knowledge Nuggets: Hardcoded secret in bytecode, keccak256 string comparison, Foundry cast interaction, legacy transaction flag
Krotate
by Tania,
CTF: UNbreakableCTF
Category: Crypto
Knowledge Nuggets: SHA512, PGP Signature, block cypher
Hash Breaker
by TaniaMark,
CTF: BSides Transylvania
Category: Crypto
Knowledge Nuggets: Reverse hashing, Algorithms, Programming
Intro to Assembly
by AmonRa,
CTF: UNbreakableCTF
Category: Pwn
Knowledge Nuggets: Assembly, Shellcode Crafting, Padding, Memory Management
Smartexfil
by Skyv3il,
CTF: BSides Transylvania
Category: Forensics
Knowledge Nuggets: Pcap, Wireshark, DNS
Classic Crackme 0x100
by Anca,
CTF: PicoCTF
Category: ReverseEngineering
Knowledge Nuggets: CrackMe, Binary Analysis, angr
Block Construction
by Mark,
CTF: BreakerCTF
Category: Crypto
Knowledge Nuggets: AES, Block Cipher, ECB mode
