The archive

#27 Today Dox the domain owner OSINT Medium ~5 min Play #26 Jul 12 Spot the exfil Digital Forensics & IR Easy ~3 min Write-up #25 Jul 11 Decode the calldata Cryptocurrency & Blockchain Security Hard ~7 min Write-up #24 Jul 10 The none algorithm Web & API Security Medium ~5 min Write-up #23 Jul 09 Find the SQL injection sink Web & API Security Easy ~3 min Write-up #22 Jul 08 ZIP in disguise Digital Forensics & IR Medium ~5 min Write-up #21 Jul 07 The comment leak Web & API Security Easy ~3 min Write-up #20 Jul 06 One tap of base64 Reverse Engineering & Binary Exploitation Very Easy ~2 min Write-up #19 Jul 05 Pay your own price Web & API Security Easy ~3 min Write-up #18 Jul 04 Leak the app admin token Web & API Security Medium ~5 min Write-up #17 Jul 03 Check the history Privilege Escalation & Post-Exploitation Easy ~3 min Write-up #16 Jul 02 Trace the phish OSINT Easy ~3 min Write-up #15 Jul 01 Find the break-in Digital Forensics & IR Easy ~3 min Write-up #14 Jun 30 Two-layer classic Cryptography Easy ~3 min Write-up #13 Jun 29 Unwrap the config blob Reverse Engineering & Binary Exploitation Easy ~3 min Write-up #12 Jun 28 Tamper the token Web & API Security Easy ~3 min Write-up #11 Jun 27 Find the RCE sink Web & API Security Easy ~3 min Write-up #10 Jun 26 Pivot to the database Network & Infrastructure Insane ~10 min Write-up #9 Jun 25 Find the hidden admin page Security Fundamentals Very Easy ~2 min Write-up #8 Jun 24 Forge the admin role Privilege Escalation & Post-Exploitation Easy ~3 min Write-up #7 Jun 23 Reach the internal service Web & API Security Hard ~7 min Write-up #6 Jun 22 Crack the reset token Cryptography Easy ~3 min Write-up #5 Jun 21 Tamper the invoice ID Web & API Security Medium ~5 min Write-up #4 Jun 20 What file is this, really? Digital Forensics & IR Easy ~3 min Write-up #3 Jun 19 Peel the encoding Cryptography Easy ~3 min Write-up #2 Jun 18 Spot the leak in the page Security Fundamentals Easy ~3 min Write-up #1 Jun 17 Find the database password Privilege Escalation & Post-Exploitation Easy ~3 min Write-up