https://wjddml.github.io/en/Recent content on spectatarHugoen-usWed, 14 Oct 2026 00:00:00 +0000https://wjddml.github.io/en/writeups/csaw-2026-heap/Wed, 14 Oct 2026 00:00:00 +0000https://wjddml.github.io/en/writeups/csaw-2026-heap/Diamond Dogs, Hell’s Bells, Saint Vespers. Three challenges that leak libc through a UAF and reclaim a freed object to overwrite a function pointer.https://wjddml.github.io/en/writeups/what-who/Fri, 18 Sep 2026 00:00:00 +0000https://wjddml.github.io/en/writeups/what-who/Unpack a custom container format to extract VM bytecode, recover the ISA, and invert the six challenge questions.https://wjddml.github.io/en/notes/en-microarch-exploitation/Tue, 08 Sep 2026 00:00:00 +0000https://wjddml.github.io/en/notes/en-microarch-exploitation/Trial and error, engineering tricks, and what came out of turning theory into working code while going through the pwn.college Microarchitecture Exploitation dojo.https://wjddml.github.io/en/writeups/the-cinder-engine/Sun, 06 Sep 2026 00:00:00 +0000https://wjddml.github.io/en/writeups/the-cinder-engine/Recover the ISA of a custom VM embedded in a stripped ARM aarch64 binary, then invert the 8-round SPN block cipher implemented inside its firmware to recover the flag.https://wjddml.github.io/en/about/Mon, 01 Jan 0001 00:00:00 +0000https://wjddml.github.io/en/about/about