Hanyalah Sebuah Blog Berisi Catatan Harian Sudarmanto.https://enscribe.dev/https://enscribe.dev/blog/japan-retrospective/https://enscribe.dev/blog/japan-retrospective/I fully planned and booked a 2-week vacation for my family. Here are some of the highlights, blunders, and experiences gathered throughout the process.Tue, 31 Dec 2024 00:00:00 GMThttps://enscribe.dev/blog/azusawas-gacha-world/https://enscribe.dev/blog/azusawas-gacha-world/I created a fully functional, hackable replica of Project Sekai’s gacha system for SekaiCTF 2023. This was my design process.Tue, 15 Aug 2023 00:00:00 GMThttps://enscribe.dev/blog/actf-2023-gcd-query/https://enscribe.dev/blog/actf-2023-gcd-query/AmateursCTF 2023’s “gcd-query” algorithm challenge forced me to guess 2048-bit integers provided with only its GCDs. Here’s how I did it.Mon, 24 Jul 2023 00:00:00 GMThttps://enscribe.dev/blog/wolvctf-2023-wannaflag/https://enscribe.dev/blog/wolvctf-2023-wannaflag/Hunting down a flag-stealing ransomware group from WolvCTF 2023 with the power of OSINT —— from Ethereum breadcrumbs to TF2 workshop maps.Fri, 17 Mar 2023 00:00:00 GMThttps://enscribe.dev/blog/mhsctf-2023-matchmaker/https://enscribe.dev/blog/mhsctf-2023-matchmaker/During MHSCTF 2023, I utilized Edmonds’ beautifully crafted “Blossom algorithm” to solve a maximum weighted matching problem.Tue, 14 Feb 2023 00:00:00 GMThttps://enscribe.dev/blog/idekctf-2023-nmpz/https://enscribe.dev/blog/idekctf-2023-nmpz/“No moving, panning, or zooming”—a GeoGuessr-esque OSINT challenge testing geographical literacy from idekCTF 2022*.Sun, 15 Jan 2023 00:00:00 GMThttps://enscribe.dev/blog/sekaictf-2022-forensics-compilation/https://enscribe.dev/blog/sekaictf-2022-forensics-compilation/An organizer-written writeup compilation for selected forensics challenges from the SekaiCTF 2022 capture-the-flag competition.Mon, 28 Nov 2022 00:00:00 GMThttps://enscribe.dev/blog/dhhutc-2022-port-authority/https://enscribe.dev/blog/dhhutc-2022-port-authority/Deloitte’s Hacky Holidays 2022 event featured “Port Authority,” a WebSocket strategy game that challenges you to dock a chaotic port full of ships.Wed, 27 Jul 2022 00:00:00 GMThttps://enscribe.dev/blog/picoctf-2022-buffer-overflow/https://enscribe.dev/blog/picoctf-2022-buffer-overflow/A comprehensive walkthrough of the picoCTF 2022 buffer overflow challenges, exploring stack-based exploitation techniques and binary security fundamentals.Thu, 16 Jun 2022 00:00:00 GMThttps://enscribe.dev/blog/byuctf-2022/https://enscribe.dev/blog/byuctf-2022/We were the only team of 435 to solve all 9 OSINT challenges from BYUCTF 2022. This was the process that led us to victory.Sat, 28 May 2022 00:00:00 GMThttps://enscribe.dev/blog/shctf-2022-compilation/https://enscribe.dev/blog/shctf-2022-compilation/Learn brute-forced format string attacks, blind buffer overflows, and return-oriented programming in this writeup compilation from Space Heroes CTF.Wed, 06 Apr 2022 00:00:00 GMT