https://x3ric.com/blog/CTF notes, systems work, and writeups.Hugoen-usSat, 06 Jun 2026 21:41:13 +0200https://x3ric.com/blog/posts/Reversing/https://x3ric.com/blog/posts/Reversing/Sun, 13 Apr 2025 15:20:00 +0800notesnotesreversingpythonelfPractical reversing helpers for porting C logic to Python, driving local binaries, modeling binary layouts, and experimenting with ELF shared objects.https://x3ric.com/blog/posts/Intrinsics/https://x3ric.com/blog/posts/Intrinsics/Sun, 16 Mar 2025 11:20:00 +0800systemsnotesnotesreversingintrinsicssimdCompact SIMD intrinsics reference for x86, Arm, Python prototyping, vectorization, and architecture documentation.https://x3ric.com/blog/posts/Binary-Exploitation/https://x3ric.com/blog/posts/Binary-Exploitation/Tue, 04 Feb 2025 04:10:00 +0800notesnoteslinuxpwnAssembly Overview Assembly language is a low-level programming language that translates high-level code into machine instructions. Registers temporarily hold data and facilitate operations.https://x3ric.com/blog/posts/Gdb/https://x3ric.com/blog/posts/Gdb/Sun, 12 Jan 2025 18:20:00 +0800notesnotesreversinggdbPractical GNU Debugger reference for loading, running, inspecting, patching, scripting, and remote debugging programs.https://x3ric.com/blog/posts/Ida/https://x3ric.com/blog/posts/Ida/Sun, 08 Dec 2024 16:10:00 +0800notesnotesreversingidadebuggingCurrent IDA and Hex-Rays shortcut sheet with decompiler, microcode, debugger, command palette, and pwndbg integration notes.https://x3ric.com/blog/posts/Dorking/https://x3ric.com/blog/posts/Dorking/Sun, 03 Nov 2024 10:20:00 +0800notesnotesmiscosintGoogle, Shodan, and GitHub dorking filters for OSINT and exposure review.https://x3ric.com/blog/posts/BloodHound/https://x3ric.com/blog/posts/BloodHound/Wed, 09 Oct 2024 08:20:00 +0800notesnotesbloodhoundactive-directorylinuxwindowsBloodHound: collect BloodHound data, read the AD graph, and prioritize attack paths.https://x3ric.com/blog/posts/Chisel/https://x3ric.com/blog/posts/Chisel/Sun, 29 Sep 2024 09:20:00 +0800notesnotessshnmaplinuxChisel Forwarding: fix SSH configuration and permissions so remote access works predictably.https://x3ric.com/blog/posts/Nmap/https://x3ric.com/blog/posts/Nmap/Thu, 12 Sep 2024 09:20:00 +0800notesnotesnmaplinuxNmap Scanning: run focused Nmap scans, capture service evidence, and keep enumeration reproducible.https://x3ric.com/blog/posts/Bluetooth-Linux-Fix/https://x3ric.com/blog/posts/Bluetooth-Linux-Fix/Sat, 13 Jul 2024 22:10:00 +0800notesnotesbluetoothlinuxBluetooth Linux Fix: reset the Linux Bluetooth stack, verify adapter state, and pair from a clean baseline.https://x3ric.com/blog/posts/Ssh/https://x3ric.com/blog/posts/Ssh/Fri, 12 Apr 2024 00:10:00 +0800notesnotessshlinuxCompact OpenSSH reference for key authentication, client and server config, tunneling, X11 forwarding, and public-key troubleshooting.