Jongjin Sung's Blog
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    Bypass IO_validate_vtable

  • Aug 09, 2025 dreamhack - Bypass IO_validate_vtable writeup TOP NEW

    • Cat Jump

  • Jul 14, 2025 dreamhack - Cat Jump writeup TOP NEW

    • DFB

  • Aug 04, 2025 dreamhack - Tcache Poisoning writeup TOP NEW

    • Docker

  • Jul 01, 2025 Dockerfile 기반 환경 세팅 TOP NEW

    • Dockerfile

  • Jul 01, 2025 Dockerfile 기반 환경 세팅 TOP NEW

    • Dream's Notepad

  • Jul 14, 2025 dreamhack - Dream's Notepad writeup TOP NEW

    • Format String Bug

  • May 26, 2025 dreamhack - Format String Bug writeup TOP NEW

    • GOT

  • May 23, 2025 GOT and PLT TOP NEW

    • GOT overwrite

  • Aug 14, 2025 dreamhack - XOR Board writeup TOP NEW

    • IBT

  • May 27, 2025 Linux Mitigation TOP NEW

    • Kind kid list

  • Aug 14, 2025 dreamhack - Kind kid list writeup TOP NEW

    • MSNW

  • Jul 06, 2025 dreamhack - MSNW writeup TOP NEW

    • Master Canary

  • Aug 05, 2025 dreamhack - Master Canary writeup TOP NEW

    • NX

  • May 27, 2025 Linux Mitigation TOP NEW

    • PIE

  • May 27, 2025 Linux Mitigation TOP NEW

    • PLT

  • May 23, 2025 GOT and PLT TOP NEW

    • Period

  • Jul 24, 2025 dreamhack - Period writeup TOP NEW

    • RELRO

  • May 27, 2025 Linux Mitigation TOP NEW

    • Repeat Service

  • Aug 10, 2025 dreamhack - Repeat Service writeup TOP NEW

    • Return to Library

  • Jun 01, 2025 dreamhack - Return to Library writeup TOP NEW

    • Return to Shellcode

  • May 31, 2025 dreamhack - Return to Shellcode writeup TOP NEW

    • S7R12

  • Jul 08, 2025 dreamhack - stacknote writeup TOP NEW

    • SHSTK

  • May 27, 2025 Linux Mitigation TOP NEW

    • SigReturn_Oriented-Programming

  • Jul 02, 2025 dreamhack - SigReturn_Oriented-Programming writeup TOP NEW

    • Stripped

  • May 27, 2025 Linux Mitigation TOP NEW

    • Stupid_gcc

  • May 28, 2025 dreamhack - Stupid_gcc writeup TOP NEW

    • UAF

  • May 27, 2025 UAF (Use After Free) TOP NEW

    • Use After Free

  • May 27, 2025 UAF (Use After Free) TOP NEW

    • XOR Board

  • Aug 14, 2025 dreamhack - XOR Board writeup TOP NEW

    • _IO_FILE

  • Aug 09, 2025 dreamhack - Bypass IO_validate_vtable writeup TOP NEW
  • Aug 08, 2025 dreamhack - iofile_aw writeup TOP NEW
  • Aug 07, 2025 dreamhack - _IO_FILE Arbitrary Address Read writeup TOP NEW
  • Jul 04, 2025 dreamhack - _IO_FILE Arbitrary Address Write writeup TOP NEW

    • _IO_FILE Arbitrary Address Read

  • Aug 07, 2025 dreamhack - _IO_FILE Arbitrary Address Read writeup TOP NEW

    • __environ

  • May 27, 2025 dreamhack - __environ writeup TOP NEW

    • awesome-basics

  • May 27, 2025 dreamhack - awesome-basics writeup TOP NEW

    • basic_exploatiation_003

  • May 21, 2025 dreamhack - basic_exploitation_003 writeup TOP NEW

    • basic_exploitation_000

  • May 29, 2025 dreamhack - basic_exploitation_000 writeup TOP NEW

    • basic_exploitation_002

  • Jun 01, 2025 dreamhack - basic_exploitation_002 writeup TOP NEW

    • basic_heap_overflow

  • May 25, 2025 dreamhack - basic_heap_overflow writeup TOP NEW

    • basic_rop_x64

  • May 29, 2025 dreamhack - basic_rop_x64 writeup TOP NEW

    • basic_rop_x86

  • May 29, 2025 dreamhack - basic_rop_x86 writeup TOP NEW

    • beginner

  • May 15, 2025 dreamhack - baby-bof writeup TOP NEW
  • May 14, 2025 dreamhack - bof writeup TOP NEW

    • blindsc

  • Jul 24, 2025 dreamhack - blindsc writeup TOP NEW

    • bof

  • Aug 14, 2025 dreamhack - newstrcmp writeup TOP NEW
  • Aug 10, 2025 dreamhack - Repeat Service writeup TOP NEW
  • Aug 05, 2025 dreamhack - checkflag writeup TOP NEW
  • Aug 05, 2025 dreamhack - Master Canary writeup TOP NEW
  • Jul 24, 2025 dreamhack - struct person_t writeup TOP NEW
  • Jul 24, 2025 dreamhack - Period writeup TOP NEW
  • Jul 14, 2025 dreamhack - stb-lsExecutor writeup TOP NEW
  • May 27, 2025 dreamhack - mmapped writeup TOP NEW
  • May 27, 2025 dreamhack - cpp_string writeup TOP NEW
  • May 27, 2025 dreamhack - awesome-basics writeup TOP NEW
  • May 27, 2025 dreamhack - cherry writeup TOP NEW
  • May 22, 2025 dreamhack - oneshot writeup TOP NEW
  • May 21, 2025 dreamhack - basic_exploitation_003 writeup TOP NEW
  • May 17, 2025 dreamhack - out_of_bound writeup TOP NEW
  • May 16, 2025 dreamhack - rao (Return Address Overwrite) writeup TOP NEW
  • May 16, 2025 dreamhack - basic_exploitation_001 writeup TOP NEW
  • May 15, 2025 dreamhack - baby-bof writeup TOP NEW
  • May 14, 2025 dreamhack - bof writeup TOP NEW

    • bpf filter

  • Jul 01, 2025 dreamhack - seccomp writeup TOP NEW

    • bypass_seccomp-1

  • Jul 01, 2025 dreamhack - bypass_seccomp-1 writeup TOP NEW

    • canary

  • Aug 14, 2025 dreamhack - newstrcmp writeup TOP NEW
  • Aug 10, 2025 dreamhack - Repeat Service writeup TOP NEW
  • Aug 05, 2025 dreamhack - Master Canary writeup TOP NEW
  • Jul 24, 2025 dreamhack - struct person_t writeup TOP NEW
  • Jul 24, 2025 dreamhack - Period writeup TOP NEW
  • Jun 25, 2025 dreamhack - master_canary writeup TOP NEW
  • May 31, 2025 dreamhack - ssp_001 writeup TOP NEW
  • May 27, 2025 Linux Mitigation TOP NEW
  • May 25, 2025 dreamhack - ssp_000 writeup TOP NEW

    • checkflag

  • Aug 05, 2025 dreamhack - checkflag writeup TOP NEW

    • checksec

  • May 27, 2025 Linux Mitigation TOP NEW

    • cherry

  • May 27, 2025 dreamhack - cherry writeup TOP NEW

    • cmd_center

  • May 25, 2025 dreamhack - cmd_center writeup TOP NEW

    • cpp

  • Aug 10, 2025 dreamhack - cpp_container_1 writeup TOP NEW
  • Aug 10, 2025 dreamhack - mining game writeup TOP NEW

    • cpp_casting

  • Aug 10, 2025 dreamhack - mining game writeup TOP NEW

    • cpp_container_1

  • Aug 10, 2025 dreamhack - cpp_container_1 writeup TOP NEW

    • cpp_string

  • May 27, 2025 dreamhack - cpp_string writeup TOP NEW

    • cpp_type_confusion

  • May 28, 2025 dreamhack - cpp_type_confusion writeup TOP NEW

    • ctf

  • Jul 08, 2025 dreamhack - stacknote writeup TOP NEW

    • double free

  • Jun 26, 2025 dreamhack - tcache_dup2 writeup TOP NEW
  • Jun 26, 2025 dreamhack - tcache_dup writeup TOP NEW

    • double free bug

  • Aug 04, 2025 dreamhack - Tcache Poisoning writeup TOP NEW

    • dowell

  • Jul 14, 2025 dreamhack - dowell writeup TOP NEW

    • dreamhack

  • Aug 14, 2025 dreamhack - Kind kid list writeup TOP NEW
  • Aug 14, 2025 dreamhack - XOR Board writeup TOP NEW
  • Aug 14, 2025 dreamhack - newstrcmp writeup TOP NEW
  • Aug 10, 2025 dreamhack - Repeat Service writeup TOP NEW
  • Aug 10, 2025 dreamhack - cpp_container_1 writeup TOP NEW
  • Aug 10, 2025 dreamhack - mining game writeup TOP NEW
  • Aug 09, 2025 dreamhack - Bypass IO_validate_vtable writeup TOP NEW
  • Aug 08, 2025 dreamhack - iofile_aw writeup TOP NEW
  • Aug 07, 2025 dreamhack - _IO_FILE Arbitrary Address Read writeup TOP NEW
  • Aug 05, 2025 dreamhack - checkflag writeup TOP NEW
  • Aug 05, 2025 dreamhack - Master Canary writeup TOP NEW
  • Aug 04, 2025 dreamhack - Tcache Poisoning writeup TOP NEW
  • Jul 24, 2025 dreamhack - struct person_t writeup TOP NEW
  • Jul 24, 2025 dreamhack - Period writeup TOP NEW
  • Jul 24, 2025 dreamhack - blindsc writeup TOP NEW
  • Jul 14, 2025 dreamhack - stb-lsExecutor writeup TOP NEW
  • Jul 14, 2025 dreamhack - randerer writeup TOP NEW
  • Jul 14, 2025 dreamhack - dowell writeup TOP NEW
  • Jul 14, 2025 dreamhack - Dream's Notepad writeup TOP NEW
  • Jul 14, 2025 dreamhack - Cat Jump writeup TOP NEW
  • Jul 08, 2025 dreamhack - stacknote writeup TOP NEW
  • Jul 06, 2025 dreamhack - MSNW writeup TOP NEW
  • Jul 04, 2025 dreamhack - _IO_FILE Arbitrary Address Write writeup TOP NEW
  • Jul 03, 2025 dreamhack - environ writeup TOP NEW
  • Jul 03, 2025 dreamhack - send_sig writeup TOP NEW
  • Jul 02, 2025 dreamhack - SigReturn_Oriented-Programming writeup TOP NEW
  • Jul 01, 2025 dreamhack - Overwrite _rtld_global writeup TOP NEW
  • Jul 01, 2025 dreamhack - rtld writeup TOP NEW
  • Jul 01, 2025 dreamhack - bypass_seccomp-1 writeup TOP NEW
  • Jul 01, 2025 dreamhack - seccomp writeup TOP NEW
  • Jun 26, 2025 dreamhack - tcache_dup2 writeup TOP NEW
  • Jun 26, 2025 dreamhack - tcache_dup writeup TOP NEW
  • Jun 25, 2025 dreamhack - master_canary writeup TOP NEW
  • Jun 23, 2025 dreamhack - validator writeup TOP NEW
  • Jun 22, 2025 dreamhack - uaf_overwrite writeup TOP NEW
  • Jun 01, 2025 dreamhack - fho writeup TOP NEW
  • Jun 01, 2025 dreamhack - basic_exploitation_002 writeup TOP NEW
  • Jun 01, 2025 dreamhack - rop writeup TOP NEW
  • Jun 01, 2025 dreamhack - Return to Library writeup TOP NEW
  • May 31, 2025 dreamhack - ssp_001 writeup TOP NEW
  • May 31, 2025 dreamhack - Return to Shellcode writeup TOP NEW
  • May 29, 2025 dreamhack - basic_rop_x86 writeup TOP NEW
  • May 29, 2025 dreamhack - basic_rop_x64 writeup TOP NEW
  • May 29, 2025 dreamhack - basic_exploitation_000 writeup TOP NEW
  • May 28, 2025 dreamhack - Stupid_gcc writeup TOP NEW
  • May 28, 2025 dreamhack - cpp_type_confusion writeup TOP NEW
  • May 27, 2025 dreamhack - iofile_vtable writeup TOP NEW
  • May 27, 2025 dreamhack - mmapped writeup TOP NEW
  • May 27, 2025 dreamhack - cpp_string writeup TOP NEW
  • May 27, 2025 dreamhack - __environ writeup TOP NEW
  • May 27, 2025 dreamhack - awesome-basics writeup TOP NEW
  • May 27, 2025 dreamhack - cherry writeup TOP NEW
  • May 26, 2025 dreamhack - pwn-library writeup TOP NEW
  • May 26, 2025 dreamhack - Format String Bug writeup TOP NEW
  • May 25, 2025 dreamhack - basic_heap_overflow writeup TOP NEW
  • May 25, 2025 dreamhack - memory_leakage writeup TOP NEW
  • May 25, 2025 dreamhack - off_by_one_001 writeup TOP NEW
  • May 25, 2025 dreamhack - ssp_000 writeup TOP NEW
  • May 25, 2025 dreamhack - cmd_center writeup TOP NEW
  • May 24, 2025 dreamhack - sint writeup TOP NEW
  • May 24, 2025 dreamhack - hook writeup TOP NEW
  • May 22, 2025 dreamhack - oneshot writeup TOP NEW
  • May 21, 2025 dreamhack - basic_exploitation_003 writeup TOP NEW
  • May 17, 2025 dreamhack - out_of_bound writeup TOP NEW
  • May 16, 2025 dreamhack - rao (Return Address Overwrite) writeup TOP NEW
  • May 16, 2025 dreamhack - basic_exploitation_001 writeup TOP NEW
  • May 15, 2025 dreamhack - baby-bof writeup TOP NEW
  • May 14, 2025 dreamhack - bof writeup TOP NEW

    • dynamic linking

  • May 23, 2025 patchelf 사용법 및 libc/ld 개념 TOP NEW

    • environ

  • Jul 03, 2025 dreamhack - environ writeup TOP NEW

    • fho

  • Jun 01, 2025 dreamhack - fho writeup TOP NEW

    • fs register

  • Jun 25, 2025 dreamhack - master_canary writeup TOP NEW

    • fs segment

  • Aug 05, 2025 dreamhack - Master Canary writeup TOP NEW

    • fsb

  • Aug 14, 2025 dreamhack - Kind kid list writeup TOP NEW
  • Jun 01, 2025 dreamhack - basic_exploitation_002 writeup TOP NEW
  • May 26, 2025 dreamhack - Format String Bug writeup TOP NEW
  • May 21, 2025 dreamhack - basic_exploitation_003 writeup TOP NEW

    • gcc

  • May 28, 2025 dreamhack - Stupid_gcc writeup TOP NEW

    • got overwrite

  • May 25, 2025 dreamhack - ssp_000 writeup TOP NEW

    • heap

  • Aug 10, 2025 dreamhack - cpp_container_1 writeup TOP NEW
  • Jun 26, 2025 dreamhack - tcache_dup2 writeup TOP NEW
  • Jun 26, 2025 dreamhack - tcache_dup writeup TOP NEW
  • Jun 22, 2025 dreamhack - uaf_overwrite writeup TOP NEW
  • May 27, 2025 UAF (Use After Free) TOP NEW
  • May 26, 2025 dreamhack - pwn-library writeup TOP NEW

    • heap_overflow writeup

  • May 25, 2025 dreamhack - basic_heap_overflow writeup TOP NEW

    • hook overwrite

  • May 24, 2025 dreamhack - hook writeup TOP NEW

    • iofile

  • May 27, 2025 dreamhack - iofile_vtable writeup TOP NEW

    • iofile_aw

  • Aug 08, 2025 dreamhack - iofile_aw writeup TOP NEW

    • iofile_vtable

  • May 27, 2025 dreamhack - iofile_vtable writeup TOP NEW

    • ld base

  • Jul 01, 2025 dreamhack - Overwrite _rtld_global writeup TOP NEW
  • Jul 01, 2025 dreamhack - rtld writeup TOP NEW

    • level1

  • May 28, 2025 dreamhack - Stupid_gcc writeup TOP NEW
  • May 28, 2025 dreamhack - cpp_type_confusion writeup TOP NEW
  • May 27, 2025 dreamhack - iofile_vtable writeup TOP NEW
  • May 27, 2025 dreamhack - mmapped writeup TOP NEW
  • May 27, 2025 dreamhack - cpp_string writeup TOP NEW
  • May 27, 2025 dreamhack - __environ writeup TOP NEW
  • May 27, 2025 dreamhack - awesome-basics writeup TOP NEW
  • May 27, 2025 dreamhack - cherry writeup TOP NEW
  • May 26, 2025 dreamhack - pwn-library writeup TOP NEW
  • May 26, 2025 dreamhack - Format String Bug writeup TOP NEW
  • May 25, 2025 dreamhack - basic_heap_overflow writeup TOP NEW
  • May 25, 2025 dreamhack - memory_leakage writeup TOP NEW
  • May 25, 2025 dreamhack - off_by_one_001 writeup TOP NEW
  • May 25, 2025 dreamhack - ssp_000 writeup TOP NEW
  • May 25, 2025 dreamhack - cmd_center writeup TOP NEW
  • May 24, 2025 dreamhack - sint writeup TOP NEW
  • May 24, 2025 dreamhack - hook writeup TOP NEW
  • May 22, 2025 dreamhack - oneshot writeup TOP NEW
  • May 21, 2025 dreamhack - basic_exploitation_003 writeup TOP NEW
  • May 17, 2025 dreamhack - out_of_bound writeup TOP NEW
  • May 16, 2025 dreamhack - rao (Return Address Overwrite) writeup TOP NEW
  • May 16, 2025 dreamhack - basic_exploitation_001 writeup TOP NEW

    • level2

  • Jul 24, 2025 dreamhack - struct person_t writeup TOP NEW
  • Jul 24, 2025 dreamhack - Period writeup TOP NEW
  • Jul 24, 2025 dreamhack - blindsc writeup TOP NEW
  • Jul 14, 2025 dreamhack - stb-lsExecutor writeup TOP NEW
  • Jul 14, 2025 dreamhack - randerer writeup TOP NEW
  • Jul 14, 2025 dreamhack - dowell writeup TOP NEW
  • Jul 14, 2025 dreamhack - Dream's Notepad writeup TOP NEW
  • Jul 14, 2025 dreamhack - Cat Jump writeup TOP NEW
  • Jul 06, 2025 dreamhack - MSNW writeup TOP NEW
  • Jul 04, 2025 dreamhack - _IO_FILE Arbitrary Address Write writeup TOP NEW
  • Jul 03, 2025 dreamhack - environ writeup TOP NEW
  • Jul 03, 2025 dreamhack - send_sig writeup TOP NEW
  • Jul 02, 2025 dreamhack - SigReturn_Oriented-Programming writeup TOP NEW
  • Jul 01, 2025 dreamhack - Overwrite _rtld_global writeup TOP NEW
  • Jul 01, 2025 dreamhack - rtld writeup TOP NEW
  • Jul 01, 2025 dreamhack - bypass_seccomp-1 writeup TOP NEW
  • Jul 01, 2025 dreamhack - seccomp writeup TOP NEW
  • Jun 26, 2025 dreamhack - tcache_dup2 writeup TOP NEW
  • Jun 26, 2025 dreamhack - tcache_dup writeup TOP NEW
  • Jun 25, 2025 dreamhack - master_canary writeup TOP NEW
  • Jun 23, 2025 dreamhack - validator writeup TOP NEW
  • Jun 22, 2025 dreamhack - uaf_overwrite writeup TOP NEW
  • Jun 01, 2025 dreamhack - fho writeup TOP NEW
  • Jun 01, 2025 dreamhack - basic_exploitation_002 writeup TOP NEW
  • Jun 01, 2025 dreamhack - rop writeup TOP NEW
  • Jun 01, 2025 dreamhack - Return to Library writeup TOP NEW
  • May 31, 2025 dreamhack - ssp_001 writeup TOP NEW
  • May 31, 2025 dreamhack - Return to Shellcode writeup TOP NEW
  • May 29, 2025 dreamhack - basic_rop_x86 writeup TOP NEW
  • May 29, 2025 dreamhack - basic_rop_x64 writeup TOP NEW
  • May 29, 2025 dreamhack - basic_exploitation_000 writeup TOP NEW

    • level3

  • Aug 14, 2025 dreamhack - Kind kid list writeup TOP NEW
  • Aug 14, 2025 dreamhack - XOR Board writeup TOP NEW
  • Aug 14, 2025 dreamhack - newstrcmp writeup TOP NEW
  • Aug 10, 2025 dreamhack - Repeat Service writeup TOP NEW
  • Aug 10, 2025 dreamhack - cpp_container_1 writeup TOP NEW
  • Aug 10, 2025 dreamhack - mining game writeup TOP NEW
  • Aug 09, 2025 dreamhack - Bypass IO_validate_vtable writeup TOP NEW
  • Aug 08, 2025 dreamhack - iofile_aw writeup TOP NEW
  • Aug 07, 2025 dreamhack - _IO_FILE Arbitrary Address Read writeup TOP NEW
  • Aug 05, 2025 dreamhack - checkflag writeup TOP NEW
  • Aug 05, 2025 dreamhack - Master Canary writeup TOP NEW
  • Aug 04, 2025 dreamhack - Tcache Poisoning writeup TOP NEW

    • level4

  • Jul 08, 2025 dreamhack - stacknote writeup TOP NEW

    • libc

  • May 27, 2025 dreamhack - __environ writeup TOP NEW
  • May 23, 2025 patchelf 사용법 및 libc/ld 개념 TOP NEW

    • main_arena

  • Jun 22, 2025 dreamhack - uaf_overwrite writeup TOP NEW

    • master_canary

  • Jun 25, 2025 dreamhack - master_canary writeup TOP NEW

    • memory_leakage

  • May 25, 2025 dreamhack - memory_leakage writeup TOP NEW

    • mining game

  • Aug 10, 2025 dreamhack - mining game writeup TOP NEW

    • mmap

  • May 27, 2025 dreamhack - mmapped writeup TOP NEW

    • mmapped

  • May 27, 2025 dreamhack - mmapped writeup TOP NEW

    • newstrcmp

  • Aug 14, 2025 dreamhack - newstrcmp writeup TOP NEW

    • off_by_one_001

  • May 25, 2025 dreamhack - off_by_one_001 writeup TOP NEW

    • oneshot

  • May 22, 2025 dreamhack - oneshot writeup TOP NEW

    • oob

  • Aug 14, 2025 dreamhack - XOR Board writeup TOP NEW

    • out_of_bound

  • May 17, 2025 dreamhack - out_of_bound writeup TOP NEW

    • patchelf

  • May 23, 2025 patchelf 사용법 및 libc/ld 개념 TOP NEW

    • pwn-library

  • May 26, 2025 dreamhack - pwn-library writeup TOP NEW

    • r2s

  • May 31, 2025 dreamhack - Return to Shellcode writeup TOP NEW

    • rand

  • Jul 14, 2025 dreamhack - randerer writeup TOP NEW
  • Jul 14, 2025 dreamhack - Cat Jump writeup TOP NEW

    • randerer

  • Jul 14, 2025 dreamhack - randerer writeup TOP NEW

    • rao

  • May 16, 2025 dreamhack - rao (Return Address Overwrite) writeup TOP NEW

    • reverse shell

  • Jul 24, 2025 dreamhack - blindsc writeup TOP NEW

    • reversing

  • Aug 05, 2025 dreamhack - checkflag writeup TOP NEW

    • rop

  • Jul 14, 2025 dreamhack - dowell writeup TOP NEW
  • Jul 14, 2025 dreamhack - Dream's Notepad writeup TOP NEW
  • Jun 23, 2025 dreamhack - validator writeup TOP NEW
  • Jun 01, 2025 dreamhack - rop writeup TOP NEW
  • May 29, 2025 dreamhack - basic_rop_x86 writeup TOP NEW
  • May 29, 2025 dreamhack - basic_rop_x64 writeup TOP NEW

    • rtld

  • Jul 01, 2025 dreamhack - Overwrite _rtld_global writeup TOP NEW
  • Jul 01, 2025 dreamhack - rtld writeup TOP NEW

    • seccomp

  • Jul 01, 2025 dreamhack - seccomp writeup TOP NEW

    • sfp

  • Jul 14, 2025 dreamhack - stb-lsExecutor writeup TOP NEW

    • sfp overwrite

  • Jul 08, 2025 dreamhack - stacknote writeup TOP NEW
  • Jul 06, 2025 dreamhack - MSNW writeup TOP NEW

    • shellcode

  • May 31, 2025 dreamhack - Return to Shellcode writeup TOP NEW
  • May 29, 2025 dreamhack - basic_exploitation_000 writeup TOP NEW

    • sigreturn

  • Jul 03, 2025 dreamhack - send_sig writeup TOP NEW
  • Jul 02, 2025 dreamhack - SigReturn_Oriented-Programming writeup TOP NEW

    • sint

  • May 24, 2025 dreamhack - sint writeup TOP NEW

    • size underflow

  • Jul 14, 2025 dreamhack - Dream's Notepad writeup TOP NEW

    • srand

  • Jul 14, 2025 dreamhack - randerer writeup TOP NEW
  • Jul 14, 2025 dreamhack - Cat Jump writeup TOP NEW

    • srop

  • Jul 03, 2025 dreamhack - send_sig writeup TOP NEW
  • Jul 02, 2025 dreamhack - SigReturn_Oriented-Programming writeup TOP NEW

    • ssp_000

  • May 25, 2025 dreamhack - ssp_000 writeup TOP NEW

    • ssp_001

  • May 31, 2025 dreamhack - ssp_001 writeup TOP NEW

    • stack pivot

  • Jul 14, 2025 dreamhack - stb-lsExecutor writeup TOP NEW
  • Jul 08, 2025 dreamhack - stacknote writeup TOP NEW
  • Jul 06, 2025 dreamhack - MSNW writeup TOP NEW

    • stacknote

  • Jul 08, 2025 dreamhack - stacknote writeup TOP NEW

    • stb-lsExecutor

  • Jul 14, 2025 dreamhack - stb-lsExecutor writeup TOP NEW

    • struct

  • Jul 24, 2025 dreamhack - struct person_t writeup TOP NEW

    • syscall

  • Jul 03, 2025 dreamhack - send_sig writeup TOP NEW
  • Jul 02, 2025 dreamhack - SigReturn_Oriented-Programming writeup TOP NEW

    • system hacking

  • Jul 01, 2025 Dockerfile 기반 환경 세팅 TOP NEW
  • May 27, 2025 UAF (Use After Free) TOP NEW
  • May 27, 2025 Linux Mitigation TOP NEW
  • May 23, 2025 patchelf 사용법 및 libc/ld 개념 TOP NEW
  • May 23, 2025 GOT and PLT TOP NEW

    • tcache

  • Aug 04, 2025 dreamhack - Tcache Poisoning writeup TOP NEW
  • Jun 26, 2025 dreamhack - tcache_dup2 writeup TOP NEW
  • Jun 26, 2025 dreamhack - tcache_dup writeup TOP NEW

    • tcache_key

  • Aug 04, 2025 dreamhack - Tcache Poisoning writeup TOP NEW

    • tcache_poisoning

  • Aug 04, 2025 dreamhack - Tcache Poisoning writeup TOP NEW

    • thread

  • Jun 25, 2025 dreamhack - master_canary writeup TOP NEW

    • tls

  • Jun 25, 2025 dreamhack - master_canary writeup TOP NEW

    • uaf

  • Jun 26, 2025 dreamhack - tcache_dup2 writeup TOP NEW
  • May 26, 2025 dreamhack - pwn-library writeup TOP NEW

    • uaf_overwrite

  • Jun 22, 2025 dreamhack - uaf_overwrite writeup TOP NEW

    • unsorted_bin

  • Jun 22, 2025 dreamhack - uaf_overwrite writeup TOP NEW

    • use after free

  • Jun 26, 2025 dreamhack - tcache_dup2 writeup TOP NEW

    • validator

  • Jun 23, 2025 dreamhack - validator writeup TOP NEW

    • vtable

  • Aug 09, 2025 dreamhack - Bypass IO_validate_vtable writeup TOP NEW
  • May 27, 2025 dreamhack - iofile_vtable writeup TOP NEW

    • writeup

  • Aug 14, 2025 dreamhack - Kind kid list writeup TOP NEW
  • Aug 14, 2025 dreamhack - XOR Board writeup TOP NEW
  • Aug 14, 2025 dreamhack - newstrcmp writeup TOP NEW
  • Aug 10, 2025 dreamhack - Repeat Service writeup TOP NEW
  • Aug 10, 2025 dreamhack - cpp_container_1 writeup TOP NEW
  • Aug 10, 2025 dreamhack - mining game writeup TOP NEW
  • Aug 09, 2025 dreamhack - Bypass IO_validate_vtable writeup TOP NEW
  • Aug 08, 2025 dreamhack - iofile_aw writeup TOP NEW
  • Aug 07, 2025 dreamhack - _IO_FILE Arbitrary Address Read writeup TOP NEW
  • Aug 05, 2025 dreamhack - checkflag writeup TOP NEW
  • Aug 05, 2025 dreamhack - Master Canary writeup TOP NEW
  • Aug 04, 2025 dreamhack - Tcache Poisoning writeup TOP NEW
  • Jul 24, 2025 dreamhack - struct person_t writeup TOP NEW
  • Jul 24, 2025 dreamhack - Period writeup TOP NEW
  • Jul 24, 2025 dreamhack - blindsc writeup TOP NEW
  • Jul 14, 2025 dreamhack - stb-lsExecutor writeup TOP NEW
  • Jul 14, 2025 dreamhack - randerer writeup TOP NEW
  • Jul 14, 2025 dreamhack - dowell writeup TOP NEW
  • Jul 14, 2025 dreamhack - Dream's Notepad writeup TOP NEW
  • Jul 14, 2025 dreamhack - Cat Jump writeup TOP NEW
  • Jul 08, 2025 dreamhack - stacknote writeup TOP NEW
  • Jul 06, 2025 dreamhack - MSNW writeup TOP NEW
  • Jul 04, 2025 dreamhack - _IO_FILE Arbitrary Address Write writeup TOP NEW
  • Jul 03, 2025 dreamhack - environ writeup TOP NEW
  • Jul 03, 2025 dreamhack - send_sig writeup TOP NEW
  • Jul 02, 2025 dreamhack - SigReturn_Oriented-Programming writeup TOP NEW
  • Jul 01, 2025 dreamhack - Overwrite _rtld_global writeup TOP NEW
  • Jul 01, 2025 dreamhack - rtld writeup TOP NEW
  • Jul 01, 2025 dreamhack - bypass_seccomp-1 writeup TOP NEW
  • Jul 01, 2025 dreamhack - seccomp writeup TOP NEW
  • Jun 26, 2025 dreamhack - tcache_dup2 writeup TOP NEW
  • Jun 26, 2025 dreamhack - tcache_dup writeup TOP NEW
  • Jun 25, 2025 dreamhack - master_canary writeup TOP NEW
  • Jun 23, 2025 dreamhack - validator writeup TOP NEW
  • Jun 22, 2025 dreamhack - uaf_overwrite writeup TOP NEW
  • Jun 01, 2025 dreamhack - fho writeup TOP NEW
  • Jun 01, 2025 dreamhack - basic_exploitation_002 writeup TOP NEW
  • Jun 01, 2025 dreamhack - rop writeup TOP NEW
  • Jun 01, 2025 dreamhack - Return to Library writeup TOP NEW
  • May 31, 2025 dreamhack - ssp_001 writeup TOP NEW
  • May 31, 2025 dreamhack - Return to Shellcode writeup TOP NEW
  • May 29, 2025 dreamhack - basic_rop_x86 writeup TOP NEW
  • May 29, 2025 dreamhack - basic_rop_x64 writeup TOP NEW
  • May 29, 2025 dreamhack - basic_exploitation_000 writeup TOP NEW
  • May 28, 2025 dreamhack - Stupid_gcc writeup TOP NEW
  • May 28, 2025 dreamhack - cpp_type_confusion writeup TOP NEW
  • May 27, 2025 dreamhack - iofile_vtable writeup TOP NEW
  • May 27, 2025 dreamhack - mmapped writeup TOP NEW
  • May 27, 2025 dreamhack - cpp_string writeup TOP NEW
  • May 27, 2025 dreamhack - __environ writeup TOP NEW
  • May 27, 2025 dreamhack - awesome-basics writeup TOP NEW
  • May 27, 2025 dreamhack - cherry writeup TOP NEW
  • May 26, 2025 dreamhack - pwn-library writeup TOP NEW
  • May 26, 2025 dreamhack - Format String Bug writeup TOP NEW
  • May 25, 2025 dreamhack - memory_leakage writeup TOP NEW
  • May 25, 2025 dreamhack - off_by_one_001 writeup TOP NEW
  • May 25, 2025 dreamhack - ssp_000 writeup TOP NEW
  • May 25, 2025 dreamhack - cmd_center writeup TOP NEW
  • May 24, 2025 dreamhack - sint writeup TOP NEW
  • May 24, 2025 dreamhack - hook writeup TOP NEW
  • May 22, 2025 dreamhack - oneshot writeup TOP NEW
  • May 21, 2025 dreamhack - basic_exploitation_003 writeup TOP NEW
  • May 17, 2025 dreamhack - out_of_bound writeup TOP NEW
  • May 16, 2025 dreamhack - rao (Return Address Overwrite) writeup TOP NEW
  • May 16, 2025 dreamhack - basic_exploitation_001 writeup TOP NEW
  • May 15, 2025 dreamhack - baby-bof writeup TOP NEW
  • May 14, 2025 dreamhack - bof writeup TOP NEW

    • xor

  • Aug 14, 2025 dreamhack - XOR Board writeup TOP NEW
  • All73
  • Bypass IO_validate_vtable 1
  • Cat Jump 1
  • DFB 1
  • Docker 1
  • Dockerfile 1
  • Dream's Notepad 1
  • Format String Bug 1
  • GOT 1
  • GOT overwrite 1
  • IBT 1
  • Kind kid list 1
  • MSNW 1
  • Master Canary 1
  • NX 1
  • PIE 1
  • PLT 1
  • Period 1
  • RELRO 1
  • Repeat Service 1
  • Return to Library 1
  • Return to Shellcode 1
  • S7R12 1
  • SHSTK 1
  • SigReturn_Oriented-Programming 1
  • Stripped 1
  • Stupid_gcc 1
  • UAF 1
  • Use After Free 1
  • XOR Board 1
  • _IO_FILE 4
  • _IO_FILE Arbitrary Address Read 1
  • __environ 1
  • awesome-basics 1
  • basic_exploatiation_003 1
  • basic_exploitation_000 1
  • basic_exploitation_002 1
  • basic_heap_overflow 1
  • basic_rop_x64 1
  • basic_rop_x86 1
  • beginner 2
  • blindsc 1
  • bof 18
  • bpf filter 1
  • bypass_seccomp-1 1
  • canary 9
  • checkflag 1
  • checksec 1
  • cherry 1
  • cmd_center 1
  • cpp 2
  • cpp_casting 1
  • cpp_container_1 1
  • cpp_string 1
  • cpp_type_confusion 1
  • ctf 1
  • double free 2
  • double free bug 1
  • dowell 1
  • dreamhack 68
  • dynamic linking 1
  • environ 1
  • fho 1
  • fs register 1
  • fs segment 1
  • fsb 4
  • gcc 1
  • got overwrite 1
  • heap 6
  • heap_overflow writeup 1
  • hook overwrite 1
  • iofile 1
  • iofile_aw 1
  • iofile_vtable 1
  • ld base 2
  • level1 22
  • level2 31
  • level3 12
  • level4 1
  • libc 2
  • main_arena 1
  • master_canary 1
  • memory_leakage 1
  • mining game 1
  • mmap 1
  • mmapped 1
  • newstrcmp 1
  • off_by_one_001 1
  • oneshot 1
  • oob 1
  • out_of_bound 1
  • patchelf 1
  • pwn-library 1
  • r2s 1
  • rand 2
  • randerer 1
  • rao 1
  • reverse shell 1
  • reversing 1
  • rop 6
  • rtld 2
  • seccomp 1
  • sfp 1
  • sfp overwrite 2
  • shellcode 2
  • sigreturn 2
  • sint 1
  • size underflow 1
  • srand 2
  • srop 2
  • ssp_000 1
  • ssp_001 1
  • stack pivot 3
  • stacknote 1
  • stb-lsExecutor 1
  • struct 1
  • syscall 2
  • system hacking 5
  • tcache 3
  • tcache_key 1
  • tcache_poisoning 1
  • thread 1
  • tls 1
  • uaf 2
  • uaf_overwrite 1
  • unsorted_bin 1
  • use after free 1
  • validator 1
  • vtable 2
  • writeup 67
  • xor 1
Unpublished Work © 2017-2025 Jongjin Sung
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