https://blog.l4ys.tw/blog A place for potatos zh-Hant-TW Lays Lays Fri, 04 Jul 2025 00:00:00 GMT https://blog.l4ys.tw/blog/getnew-reversing https://blog.l4ys.tw/blog/getnew-reversing 這兩天，某個名為「熱點分享穩流機」的募資產品被揭露其運作原理，引發了一些討論 Fri, 04 Jul 2025 00:00:00 GMT Lays reversehardwarearduinoesp8266 https://blog.l4ys.tw/blog/what-i-bought-in-2024 https://blog.l4ys.tw/blog/what-i-bought-in-2024 錢到底都花去哪裡了 Tue, 31 Dec 2024 00:00:00 GMT Lays lifeyear in review https://blog.l4ys.tw/blog/2023-year-in-review https://blog.l4ys.tw/blog/2023-year-in-review 又虛度了一年 Sun, 31 Dec 2023 00:00:00 GMT Lays lifeyear in review https://blog.l4ys.tw/blog/CVE-2022-21882 https://blog.l4ys.tw/blog/CVE-2022-21882 Analysis for CVE-2022-21882 Win32k EoP Thu, 03 Feb 2022 00:00:00 GMT Lays windowskernelwin32kexploit https://blog.l4ys.tw/blog/realworld-ctf-2018-doc2own https://blog.l4ys.tw/blog/realworld-ctf-2018-doc2own Write-up for the 'doc2own' challenge in Real World CTF 2018 Mon, 30 Jul 2018 00:00:00 GMT Lays ctfwriteuppwnjavascriptcef https://blog.l4ys.tw/blog/google-ctf-2018-apt42 https://blog.l4ys.tw/blog/google-ctf-2018-apt42 Write-up for the 'APT42' challenge in Google CTF 2018 Mon, 25 Jun 2018 00:00:00 GMT Lays ctfwriteupreversepwn https://blog.l4ys.tw/blog/google-ctf-final-2017-slotmachine https://blog.l4ys.tw/blog/google-ctf-final-2017-slotmachine Write-up for the 'Slot Machine' challenge in Google CTF Final 2017 Wed, 21 Feb 2018 00:00:00 GMT Lays ctfwriteupreversehardwarearduino https://blog.l4ys.tw/blog/tmctf-2017-rev400 https://blog.l4ys.tw/blog/tmctf-2017-rev400 Write-up for the 'Reverse 400' challenge in Trend Micro CTF 2017 Sun, 25 Jun 2017 00:00:00 GMT Lays ctfwriteupreversewindowsvmprotectklee https://blog.l4ys.tw/blog/33c3-ctf-mario https://blog.l4ys.tw/blog/33c3-ctf-mario Write-up for the 'mario' challenge in 33C3 CTF Fri, 30 Dec 2016 00:00:00 GMT Lays ctfwriteupreverseangr https://blog.l4ys.tw/blog/flare-on-challenge-2016 https://blog.l4ys.tw/blog/flare-on-challenge-2016 Write-up for the 2016 Flare-On Challenge Mon, 07 Nov 2016 00:00:00 GMT Lays ctfwriteupwindowsreverse https://blog.l4ys.tw/blog/secuinside-ctf-2016-mbrainfuzz https://blog.l4ys.tw/blog/secuinside-ctf-2016-mbrainfuzz Write-up for the 'mbrainfuzz' and 'mbrainfuzz_returns' challenge in SECUINSIDE CTF 2016 Mon, 11 Jul 2016 00:00:00 GMT Lays ctfwriteuppwnaeg https://blog.l4ys.tw/blog/defcon-ctf-quals-2016-amadhj https://blog.l4ys.tw/blog/defcon-ctf-quals-2016-amadhj Write-up for the 'amadhj' challenge in DEF CON CTF QUALS 2016 Mon, 23 May 2016 00:00:00 GMT Lays ctfwriteupreverseklee https://blog.l4ys.tw/blog/0ctf-2016-quals-trace https://blog.l4ys.tw/blog/0ctf-2016-quals-trace Write-up for the 'trace' challenge in 0CTF 2016 Mon, 14 Mar 2016 00:00:00 GMT Lays ctfwriteupreverse https://blog.l4ys.tw/blog/32c3-ctf-pica https://blog.l4ys.tw/blog/32c3-ctf-pica Write-up for the 'PICA' challenge in 32C3 CTF Sat, 02 Jan 2016 00:00:00 GMT Lays ctfwriteupreverseacpiz3 https://blog.l4ys.tw/blog/tmctf-final-2015-binary2 https://blog.l4ys.tw/blog/tmctf-final-2015-binary2 Write-up for the 'Binary 2' challenge in Trend Micro CTF 2015 Final Tue, 15 Dec 2015 00:00:00 GMT Lays ctfwriteupreversevmprotectforensic https://blog.l4ys.tw/blog/0ctf-2015-quals-r0ops https://blog.l4ys.tw/blog/0ctf-2015-quals-r0ops Write-up for the 'r0ops' challenge in 0CTF 2015 Tue, 31 Mar 2015 00:00:00 GMT Lays ctfwriteupreverse https://blog.l4ys.tw/blog/boston-key-party-ctf-2014-vm https://blog.l4ys.tw/blog/boston-key-party-ctf-2014-vm Write-up for the 'VM' challenge in Boston Key Party CTF 2014 Sun, 22 Feb 2015 00:00:00 GMT Lays ctfwriteupreverse https://blog.l4ys.tw/blog/no-con-name-ctf-quals-2014-explicit https://blog.l4ys.tw/blog/no-con-name-ctf-quals-2014-explicit Write-up for the 'eXPLicit' challenge in No cON Name CTF Quals 2014 Fri, 19 Sep 2014 00:00:00 GMT Lays ctfwriteuppwn https://blog.l4ys.tw/blog/no-con-name-ctf-quals-2014-immiscible 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06 Jul 2014 00:00:00 GMT Lays ctfwriteup https://blog.l4ys.tw/blog/macvim-alt-key https://blog.l4ys.tw/blog/macvim-alt-key Setting up Alt key shortcuts in MacVim Sat, 01 Mar 2014 00:00:00 GMT Lays macvim https://blog.l4ys.tw/blog/dump-ios-app-headers https://blog.l4ys.tw/blog/dump-ios-app-headers Dump iOS app headers with dumpdecrypted and class-dump Fri, 17 Jan 2014 00:00:00 GMT Lays iOS https://blog.l4ys.tw/blog/ios-mobilesubstrate-tweak https://blog.l4ys.tw/blog/ios-mobilesubstrate-tweak Testing MobileSubstrate Tweaks on iOS Simulator Fri, 17 Jan 2014 00:00:00 GMT Lays iOSmobilesubstrate https://blog.l4ys.tw/blog/hitcon-2013-wargame https://blog.l4ys.tw/blog/hitcon-2013-wargame Write-up for HITCON 2013 Wargame Mon, 22 Jul 2013 00:00:00 GMT Lays hitconwargamewriteup https://blog.l4ys.tw/blog/hackshield-568240 https://blog.l4ys.tw/blog/hackshield-568240 Old memories... Sun, 28 Apr 2013 00:00:00 GMT Lays reverse