2021

10-11 Digital Overdose 2021 Autumn CTF Writeup
10-06 DeconstruCT.F 2021 Writeup
09-26 DownUnder CTF 2021 Writeup
09-20 PBjar CTF 2021 Writeup
09-05 GrabCON CTF 2021 Writeup
08-14 InCTFi CTF 2021 Writeup
08-13 RCTS CERT CTF 2021 Writeup
07-28 CyBRICS CTF 2021 Writeup
07-17 RedpwnCTF 2021 Writeup
06-20 HSCTF8 Writeup
06-20 BCACTF 2.0 Writeup
06-08 S.H.E.L.L. CTF 2021 Writeup
06-06 wtfCTF 2021 Writeup
05-23 DCTF 2021 Writeup
05-09 DawgCTF 2021 Writeup
05-04 TAMUctf 2021 Writeup
04-25 UMDCTF 2021 Writeup
04-13 RITSEC CTF 2021 Writeup
04-10 picoCTF 2021 Writeup
04-08 ångstromCTF 2021 Writeup
01-05 Passed OSCP Exam (I Tried Harder)
01-04 OSCP受験記 (I Tried Harder)

2020

09-11 Working on OSCP (Offensive Security Certified Professional)
08-18 Hacker's Playground Writeup (Samsung Security Tech Forum 2020)
07-26 CyBRICS CTF 2020 Writeup
07-22 csictf 2020 Writeup
07-14 RGB CTF 2020 Writeup
06-18 zh3r0 CTF 2020 Writeup
06-14 NahamCon CTF 2020 Writeup
06-14 Really Awesome CTF 2020 Writeup