here is some of mine ctf write-ups , mainly memory forensic
https://medium.com/@abdulmuhaimin/breakin-suspicious-memory-ed26228af104
https://medium.com/@abdulmuhaimin/null-br3aker-meeseeks-and-destroy-694c5d88a9d2
https://medium.com/@abdulmuhaimin/breakin-significant-memory-b6db4900d20b