Peter Rakolcza Get in touch

Writeups

Debrief archive.

Hack The Box machines I've rooted: retired boxes and finished seasons, each with the full attack chain. Methodology over flags.

total
19
easy
10
medium
8
hard
0
insane
1
15 Sept 2026 Hack The Box · Linux · Season 11 BlockSynergy

BlockSynergy is an insane-difficulty Linux box built around a Flask "blockchain" web application and a developer-centric smart-contract / backup pipeline.

Insane Unsigned-transaction coin forgeSSRF in the VIP node testerCommand injection → shell as walterPath traversal → lateral to hank
15 Sept 2026 Hack The Box · Windows · Retired Jeeves

Jeeves is a medium-difficulty standalone Windows box built around a forgotten Jenkins instance and a developer's password manager.

Medium Port enumerationDirectory brute force on 50000Jenkins Script Console abuseKeePass database looting
18 Aug 2026 Hack The Box · Windows · Season 11 DanglingTree

DanglingTree is a medium-difficulty Windows Active Directory box built around a Server 2025 domain controller that doubles as an Enterprise CA and hosts a Windows Admin Center portal and a SmarterMail server.

Medium Share enumerationWindows Admin Center RCESmarterMail authentication bypassBackup-domain credential recovery
04 Aug 2026 Hack The Box · Linux · Season 11 Bedside

Bedside is a medium-difficulty Linux box whose foothold is a pickle-deserialization bug in pdfminer.six (CVE-2025-64512), and whose root is the same bug class in a MONAI trainer's torch.load().

Medium External enumerationpdfminer.six RCEDocker enumerationPath traversal
04 Aug 2026 Hack The Box · Linux · Season 11 Cohort

Cohort is a hard-difficulty Linux box built around a client-rendered analytics site whose "report source validator" is a full-read SSRF.

Easy Full-read SSRFInternal disclosure via /statusmarimo unauthenticated terminalPackageKit TOCTOU (CVE-2026-41651)
04 Aug 2026 Hack The Box · Linux · Season 11 MakeSense

MakeSense is a hard-difficulty Linux box built around a WordPress 7.0 site running a bespoke webagency theme, an admin-review bot, and a root-owned OCR web service.

Medium WordPress enumerationClient-side crypto bypass → stored XSSAdmin-session abuse → www-dataCredential reuse → walter
04 Aug 2026 Hack The Box · Linux · Season 11 Paperwork

Paperwork is a medium-difficulty Linux box built around three hand-rolled "print" services, each reusing the same class of unsafe input handling.

Easy LPD command injectionInternal service discoveryPJL path traversalSCM_RIGHTS fd leak
29 Jun 2026 Hack The Box · Linux · Season 11 Enigma

Enigma is a medium-difficulty Linux box built around a self-hosted mail stack, an Italian invoicing application (OpenSTAManager), and an automation panel (OliveTin) running as root.

Easy Anonymous NFS readRoundcube webmail + password reuseComponent-upload path traversal RCEConfig-leaked credential → user
18 Jun 2026 Hack The Box · Windows · Season 11 Checkpoint

Checkpoint is a medium-difficulty Windows Active Directory box built around a Server 2025 domain controller and a developer-centric "approved VS Code extension" deployment workflow.

Medium Share enumerationAD Recycle Bin abuseMalicious VS Code extensionBadSuccessor (dMSA abuse)
18 Jun 2026 Hack The Box · Linux · Season 10 DevArea

DevArea is a medium-difficulty Linux box built around a Java SOAP web service and an internal Hoverfly API-simulation server.

Medium Anonymous FTPJAR reverse engineeringMTOM xop:Include file disclosureHoverfly admin API abuse
18 Jun 2026 Hack The Box · Linux · Season 10 Facts

Facts is an easy Linux box chaining a Camaleon CMS mass-assignment flaw with a misconfigured MinIO/S3 backend.

Easy Web enumerationCVE-2025-2304 (mass assignment)MinIO/S3 enumerationPassphrase cracking
18 Jun 2026 Hack The Box · Linux · Season 10 Pterodactyl

Pterodactyl is a medium-difficulty Linux box running the Pterodactyl game-server panel on openSUSE.

Medium Web enumerationCVE-2025-49132MySQL credential dumpCVE-2025-6018 (PAM session spoofing)
18 Jun 2026 Hack The Box · Linux · Season 10 Silentium

Silentium is an easy Linux box chaining three 2025 CVEs across a Flowise AI-workflow app and an internal Gogs instance.

Easy Vhost discoveryCVE-2025-58434CVE-2025-59528Container env credential reuse
18 Jun 2026 Hack The Box · Linux · Retired Trick

Trick is an easy-difficulty Linux box themed around a healthcare/payroll web stack fronted by NGINX, with an exposed BIND DNS server.

Easy DNS enumerationSQL injectionConfig disclosure → second vhostLocal File Inclusion
18 Jun 2026 Hack The Box · Linux · Season 10 WingData

WingData is an easy Linux box chaining an unauthenticated Wing FTP Server RCE with an insecure-tarfile sudo script.

Easy Web/vhost enumerationCVE-2025-47812Credential extractionHash cracking
09 Jun 2026 Hack The Box · Linux · Season 11 Connected

The Connected machine is a Linux-based target that emphasizes web application exploitation leading to RCE, followed by local system enumeration to escalate privileges.

Easy CVE-2025-57819
03 Jun 2026 Hack The Box · Linux · Season 11 DevHub

DevHub is a medium-difficulty Linux box built around modern development and AI infrastructure.

Medium CVE-2026-23744
03 Jun 2026 Hack The Box · Windows · Retired Fluffy

Fluffy is an easy-difficulty Windows Active Directory machine structured as an assumed breach scenario, where low-privileged initial credentials are provided.

Easy CVE-2025-24071
03 Jun 2026 Hack The Box · Linux · Season 11 Reactor

Today I pwned Reactor from Hack The Box. This machine focused heavily on modern web exploitation and insecure Node.js deployment practices.

Easy