Into InfoSec, CTFs, SecDevOps, GenAI and Crypto 🤖 CTF Player for Team RootRunners https://linktr.ee/koreonehttps://bsky.app/profile/koreone.bsky.socialhttps://bsky.app/profile/koreone.bsky.social/post/3mzgdmwdhcz27HI Cyber Con 2026 CTF – File Viewer Challenge Writeup File Viewer is a blackbox web challenge built around a small ZIP inspection service. A visitor uploads an archive, receives a page listing its members, and can open each listed file through the application.... https://kore.one/hi-cyber-con-2026-ctf-file-viewer-challenge-writeup/?utm_source=bluesky&utm_medium=jetpack_social03 Nov 2026 17:14 +0000at://did:plc:sicva7ipxc63apiv2d3tlkcp/app.bsky.feed.post/3mzgdmwdhcz27https://bsky.app/profile/koreone.bsky.social/post/3mzdevyo3ik2kI just solved Detour on Hack The Box! https://labs.hackthebox.com/achievement/challenge/2026525/1929 #HackTheBox #HTB #CyberSecurity #EthicalHacking #InfoSec #PenTesting02 Nov 2026 12:59 +0000at://did:plc:sicva7ipxc63apiv2d3tlkcp/app.bsky.feed.post/3mzdevyo3ik2khttps://bsky.app/profile/koreone.bsky.social/post/3mzdbfeksdg2dHI Cyber Con 2026 CTF – Ouroboros Challenge Writeup Ouroboros is a blackbox web challenge built around a small report builder. A user can sign in, save a JSON branding configuration, and request a preview rendered from a fixed server-side template.... https://kore.one/hi-cyber-con-2026-ctf-ouroboros-challenge-writeup/?utm_source=bluesky&utm_medium=jetpack_social02 Nov 2026 11:56 +0000at://did:plc:sicva7ipxc63apiv2d3tlkcp/app.bsky.feed.post/3mzdbfeksdg2dhttps://bsky.app/profile/koreone.bsky.social/post/3mzanlv3jic2cI just solved Takeoff on Hack The Box! https://labs.hackthebox.com/achievement/machine/2026525/1002 #HackTheBox #HTB #CyberSecurity #EthicalHacking #InfoSec #PenTesting01 Nov 2026 10:57 +0000at://did:plc:sicva7ipxc63apiv2d3tlkcp/app.bsky.feed.post/3mzanlv3jic2chttps://bsky.app/profile/koreone.bsky.social/post/3mz3ssa6iyc2gI just solved DutyBound on Hack The Box! https://labs.hackthebox.com/achievement/machine/2026525/999 #HackTheBox #HTB #CyberSecurity #EthicalHacking #InfoSec #PenTesting30 Oct 2026 12:46 +0000at://did:plc:sicva7ipxc63apiv2d3tlkcp/app.bsky.feed.post/3mz3ssa6iyc2ghttps://bsky.app/profile/koreone.bsky.social/post/3mz3phwbpjd2oHack The Box – Dark Embargo Challenge Writeup Dark Embargo is a web exploitation challenge built around a stock PHP 8.4.26 Apache image and the publicly known vuln "PHP2Shell" CVE-2026-109618 / CVE-2026-109619.... https://kore.one/hack-the-box-dark-embargo-challenge-writeup/?utm_source=bluesky&utm_medium=jetpack_social30 Oct 2026 11:47 +0000at://did:plc:sicva7ipxc63apiv2d3tlkcp/app.bsky.feed.post/3mz3phwbpjd2ohttps://bsky.app/profile/koreone.bsky.social/post/3myxcm22xg22xI just solved Dark Embargo on Hack The Box! https://labs.hackthebox.com/achievement/challenge/2026525/1926 #HackTheBox #HTB #CyberSecurity #EthicalHacking #InfoSec #PenTesting28 Oct 2026 17:46 +0000at://did:plc:sicva7ipxc63apiv2d3tlkcp/app.bsky.feed.post/3myxcm22xg22xhttps://bsky.app/profile/koreone.bsky.social/post/3myx6x67c5h2uFortID CTF 2026 – GDB SaaS Challenge Writeup GDB SaaS is a file disclosure challenge disguised as a free disassembly service. The server accepts a base64-encoded ELF file, copies the flag into a temporary directory beside that file, and returns GNU Debugger (GDB) output for a requested function.... https://kore.one/fortid-ctf-2026-gdb-saas-challenge-writeup/?utm_source=bluesky&utm_medium=jetpack_social28 Oct 2026 16:40 +0000at://did:plc:sicva7ipxc63apiv2d3tlkcp/app.bsky.feed.post/3myx6x67c5h2uhttps://bsky.app/profile/koreone.bsky.social/post/3mymeqjohhs2dI just solved Halfmask on Hack The Box! https://labs.hackthebox.com/achievement/challenge/2026525/1920 #HackTheBox #HTB #CyberSecurity #EthicalHacking #InfoSec #PenTesting24 Oct 2026 09:25 +0000at://did:plc:sicva7ipxc63apiv2d3tlkcp/app.bsky.feed.post/3mymeqjohhs2dhttps://bsky.app/profile/koreone.bsky.social/post/3myfc2hirpk2aI just solved Autopilot on Hack The Box! https://labs.hackthebox.com/achievement/machine/2026525/993 #HackTheBox #HTB #CyberSecurity #EthicalHacking #InfoSec #PenTesting21 Oct 2026 13:48 +0000at://did:plc:sicva7ipxc63apiv2d3tlkcp/app.bsky.feed.post/3myfc2hirpk2ahttps://bsky.app/profile/koreone.bsky.social/post/3mya5knx2ds27I just solved Last Call on Hack The Box! https://labs.hackthebox.com/achievement/challenge/2026525/1851 #HackTheBox #HTB #CyberSecurity #EthicalHacking #InfoSec #PenTesting19 Oct 2026 12:44 +0000at://did:plc:sicva7ipxc63apiv2d3tlkcp/app.bsky.feed.post/3mya5knx2ds27https://bsky.app/profile/koreone.bsky.social/post/3mya4wh3hmd2fSecurinets CTF Quals 2026 – Nyoom Challenge Writeup Nyoom is a web challenge built from an Express application, a Varnish reverse proxy, and an automated administrator browser.... https://kore.one/securinets-ctf-quals-2026-nyoom-challenge-writeup/?utm_source=bluesky&utm_medium=jetpack_social19 Oct 2026 12:33 +0000at://did:plc:sicva7ipxc63apiv2d3tlkcp/app.bsky.feed.post/3mya4wh3hmd2fhttps://bsky.app/profile/koreone.bsky.social/post/3mxydmxq42k24I just solved Alien Complaint Form on Hack The Box! https://labs.hackthebox.com/achievement/challenge/2026525/545 #HackTheBox #HTB #CyberSecurity #EthicalHacking #InfoSec #PenTesting16 Oct 2026 10:12 +0000at://did:plc:sicva7ipxc63apiv2d3tlkcp/app.bsky.feed.post/3mxydmxq42k24https://bsky.app/profile/koreone.bsky.social/post/3mxweexmudd2iFortID CTF 2026 – String Peek and Poke Challenge Writeup String Peek and Poke is a Linux x86-64 pwn challenge built around a small C++ note program.... https://kore.one/fortid-ctf-2026-string-peek-and-poke-challenge-writeup/?utm_source=bluesky&utm_medium=jetpack_social15 Oct 2026 15:20 +0000at://did:plc:sicva7ipxc63apiv2d3tlkcp/app.bsky.feed.post/3mxweexmudd2ihttps://bsky.app/profile/koreone.bsky.social/post/3mxty2qjsak2kI just solved The Galactic Times on Hack The Box! https://labs.hackthebox.com/achievement/challenge/2026525/544 #HackTheBox #HTB #CyberSecurity #EthicalHacking #InfoSec #PenTesting14 Oct 2026 16:34 +0000at://did:plc:sicva7ipxc63apiv2d3tlkcp/app.bsky.feed.post/3mxty2qjsak2khttps://bsky.app/profile/koreone.bsky.social/post/3mxtw2e7rk423FortID CTF 2026 – DESBox Challenge Writeup DESBox is a source-aided cryptography challenge presented as a small MS-DOS-like shell. Its KEYB command accepts two 24-byte keys, randomly rearranges the bytes of each key, XORs both with the same secret mask, and then uses the resulting keys for two… https://kore.one/fortid-ctf-2026-desbox-challenge-writeup/?utm_source=bluesky&utm_medium=jetpack_social14 Oct 2026 15:58 +0000at://did:plc:sicva7ipxc63apiv2d3tlkcp/app.bsky.feed.post/3mxtw2e7rk423https://bsky.app/profile/koreone.bsky.social/post/3mxooskslst2vFortID CTF 2026 – Ultimative PHP Challenge Writeup Ultimative PHP is a web challenge built around a single PHP 8.3 migration endpoint. A request must claim administrator access, provide two distinct recovery answers with equal fingerprints, satisfy an unusual comparison between MD5 and SHA-256… https://kore.one/fortid-ctf-2026-ultimative-php-challenge-writeup/?utm_source=bluesky&utm_medium=jetpack_social12 Oct 2026 14:05 +0000at://did:plc:sicva7ipxc63apiv2d3tlkcp/app.bsky.feed.post/3mxooskslst2vhttps://bsky.app/profile/koreone.bsky.social/post/3mxmbjv4phk24I just solved Stream on Hack The Box! https://labs.hackthebox.com/achievement/machine/2026525/990 #HackTheBox #HTB #CyberSecurity #EthicalHacking #InfoSec #PenTesting11 Oct 2026 15:02 +0000at://did:plc:sicva7ipxc63apiv2d3tlkcp/app.bsky.feed.post/3mxmbjv4phk24https://bsky.app/profile/koreone.bsky.social/post/3mxm6373ark2zI just solved GroundControl on Hack The Box! https://labs.hackthebox.com/achievement/challenge/2026525/1800 #HackTheBox #HTB #CyberSecurity #EthicalHacking #InfoSec #PenTesting11 Oct 2026 14:00 +0000at://did:plc:sicva7ipxc63apiv2d3tlkcp/app.bsky.feed.post/3mxm6373ark2zhttps://bsky.app/profile/koreone.bsky.social/post/3mxm4tptvcu2vSunshineCTF 2026 – Mad Libs Challenge Writeup Mad Libs is a 64-bit Linux binary exploitation challenge built around a small program that asks for eight words and prints each answer back.... https://kore.one/sunshinectf-2026-mad-libs-challenge-writeup/?utm_source=bluesky&utm_medium=jetpack_social11 Oct 2026 13:38 +0000at://did:plc:sicva7ipxc63apiv2d3tlkcp/app.bsky.feed.post/3mxm4tptvcu2vhttps://bsky.app/profile/koreone.bsky.social/post/3mxiw5t37oz2vHack The Box – pcalc Challenge Writeup pcalc is a small PHP calculator packaged with its application source, web-server configuration, and Docker startup script provided.... https://kore.one/hack-the-box-pcalc-challenge-writeup/?utm_source=bluesky&utm_medium=jetpack_social10 Oct 2026 07:01 +0000at://did:plc:sicva7ipxc63apiv2d3tlkcp/app.bsky.feed.post/3mxiw5t37oz2vhttps://bsky.app/profile/koreone.bsky.social/post/3mxgnzf63zc2sI just solved pcalc on Hack The Box! https://labs.hackthebox.com/achievement/challenge/2026525/542 #HackTheBox #HTB #CyberSecurity #EthicalHacking #InfoSec #PenTesting09 Oct 2026 09:30 +0000at://did:plc:sicva7ipxc63apiv2d3tlkcp/app.bsky.feed.post/3mxgnzf63zc2shttps://bsky.app/profile/koreone.bsky.social/post/3mxgm7laa4r2wSunshineCTF 2026 – Homemaker Challenge Writeup Homemaker is a Linux binary exploitation challenge built around a small, custom command protocol. The supplied program presents itself as a domestic automaton and waits for a service key card, but the useful behavior is in its binary packet parser.... https://kore.one/sunshinectf-2026-homemaker-challenge-writeup/?utm_source=bluesky&utm_medium=jetpack_social09 Oct 2026 08:57 +0000at://did:plc:sicva7ipxc63apiv2d3tlkcp/app.bsky.feed.post/3mxgm7laa4r2whttps://bsky.app/profile/koreone.bsky.social/post/3mxeho72sve2wH7CTF 2026 Quals – BartBrack Challenge Writeup BartBrack presents Flux, a business banking interface with a username and password login, a five-digit second factor, and a dashboard for balances, transactions, cards, and statements.... https://kore.one/h7ctf-2026-quals-bartbrack-challenge-writeup/?utm_source=bluesky&utm_medium=jetpack_social08 Oct 2026 12:31 +0000at://did:plc:sicva7ipxc63apiv2d3tlkcp/app.bsky.feed.post/3mxeho72sve2whttps://bsky.app/profile/koreone.bsky.social/post/3mxefm5kg4c2oI just solved Nexus Void on Hack The Box! https://labs.hackthebox.com/achievement/challenge/2026525/598 #HackTheBox #HTB #CyberSecurity #EthicalHacking #InfoSec #PenTesting08 Oct 2026 11:54 +0000at://did:plc:sicva7ipxc63apiv2d3tlkcp/app.bsky.feed.post/3mxefm5kg4c2ohttps://bsky.app/profile/koreone.bsky.social/post/3mxbvh5xxy62iWebVerse Pro – Proxy Pursuit Challenge Writeup Proxy Pursuit is a black-box web challenge set in LoadMesh's operations console. The console displays connection records for a client IP, but it takes that IP from the HTTP X-Forwarded-For header, which a requester can influence.... https://kore.one/webverse-pro-proxy-pursuit-challenge-writeup/?utm_source=bluesky&utm_medium=jetpack_social07 Oct 2026 11:59 +0000at://did:plc:sicva7ipxc63apiv2d3tlkcp/app.bsky.feed.post/3mxbvh5xxy62ihttps://bsky.app/profile/koreone.bsky.social/post/3mx7hgpimvk2kI just solved Spell Orsterra on Hack The Box! https://labs.hackthebox.com/achievement/challenge/2026525/443 #HackTheBox #HTB #CyberSecurity #EthicalHacking #InfoSec #PenTesting06 Oct 2026 12:43 +0000at://did:plc:sicva7ipxc63apiv2d3tlkcp/app.bsky.feed.post/3mx7hgpimvk2khttps://bsky.app/profile/koreone.bsky.social/post/3mx7aotyqjs2wI just solved DLLAMA on Hack The Box! https://labs.hackthebox.com/achievement/challenge/2026525/783 #HackTheBox #HTB #CyberSecurity #EthicalHacking #InfoSec #PenTesting06 Oct 2026 10:43 +0000at://did:plc:sicva7ipxc63apiv2d3tlkcp/app.bsky.feed.post/3mx7aotyqjs2whttps://bsky.app/profile/koreone.bsky.social/post/3mx52vr7et22xI just solved ApexSurvive on Hack The Box! https://labs.hackthebox.com/achievement/challenge/2026525/657 #HackTheBox #HTB #CyberSecurity #EthicalHacking #InfoSec #PenTesting05 Oct 2026 13:54 +0000at://did:plc:sicva7ipxc63apiv2d3tlkcp/app.bsky.feed.post/3mx52vr7et22xhttps://bsky.app/profile/koreone.bsky.social/post/3mx4xwgj2dh23Hack The Box – Intergalatic Bounty Challenge Writeup Intergalatic Bounty is a source-assisted web security challenge built from two Express applications: a bounty-management service and a small webmail viewer.... https://kore.one/hack-the-box-intergalatic-bounty-challenge-writeup/?utm_source=bluesky&utm_medium=jetpack_social05 Oct 2026 13:00 +0000at://did:plc:sicva7ipxc63apiv2d3tlkcp/app.bsky.feed.post/3mx4xwgj2dh23