Writeup Archive
Every challenge writeup from TryN3rr0r events. Filter by event or category, or search across titles and summaries.
Hakari Domain
MT19937 recovery into repeated RSA samples and Håstad broadcast recovery.
baby crypto
Hex stream reconstruction and ordered pair mapping from the encrypted output.
Hakari Domain 2
Remote crypto service analysis and scripted recovery for the second Hakari challenge.
Meowww
Stego and PowerShell payload recovery from a suspicious image artifact.
Dear Hiring Manger
Malicious PDF object analysis and ASCII85 payload reconstruction.
detonator
Executable triage with strings, object analysis, and scripted flag recovery.
Proton X1337
APK decompilation, hidden C2 reconstruction, and server-side flag retrieval.
is it stacy, is it becky, is it kesha?
Registry and binary artifact reversal to recover the expected email-format flag.
easy re
APK and binary resource inspection using jadx, apktool, and Python helpers.
Freshman-V2 - user
Initial access path for the Freshman-V2 target.
Freshman-V2 - root
Privilege escalation path from user access to root on Freshman-V2.
Library-V2 - user
Anonymous FTP to SSH workflow for the Library-V2 user flag.
Library-V2 - root
Cron and tar wildcard privilege escalation for the Library-V2 root flag.
Phantom Relay
HTTP workflow abuse and scripted relay escape.
Pokedex Network
Endpoint discovery, XSS reasoning, and webhook-driven proof collection.