CTF challenges & writeups

461 challenges in family ⊕ rev ✕ clear · browse all techniques

Challenge	CTF	Weight	Category	Has
EZPZ_CRKMEE #avr-firmware-reversing #simavr-emulation #gdb-scripting	CTFZone 2018 Quals	23.92	Misc	files wu 1
JSZone #js-engine-exploit #type-confusion #valueof-gc-callback #addrof-fakeobj	CTFZone 2018 Quals	23.92	Misc	files wu 1
android_ololo_country_checker #android-reversing #native-library #arm #jni	CTFZone 2018 Quals	23.92	Misc	files wu 2
simple_vm #custom-vm #bytecode-reversing	RCTF 2018	–	Misc	files wu 2
simulator #custom-vm #mips-assembly #arbitrary-read-write	RCTF 2018	–	Misc	files wu 2
kindvm #custom-vm #stack-buffer-overflow	SECCON 2018 Quals	36.92	Misc	files wu 1
q-escape #qemu-escape #vm-escape	SECCON 2018 Quals	36.92	Misc	files wu 1
Green_Computing_1 #qemu-monitor	hxp 2018	42.00	Misc	files wu 1
Boring_APK #android-native-reversing #meet-in-the-middle (mitm)	BKISC 2026	–	Reverse	files wu 1
Snaking_Revenge #pyjnius #type-confusion #jni	SAS 2026 Quals	31.00	Pwn	files wu 1
Cryptografie #java-reflection #filesystempreferences-encoding	plfanzen 2026	25.00	Crypto	files wu 1
Bubble_Tea_Diaries #stored-xss #bbcode-parser #html-escape-bypass #jwt	SAS 2025 Quals	20.72	Web	files wu 1
Trust_Issues #op-tee #trustlet #brainfuck-interpreter #oob-read	SAS 2025 Quals	20.72	Pwn	files wu 1
PPC64LEL #reversing #powerpc	ToH 2025	24.27	Reverse	files wu 1
Embryobot #elf-patching #shellcode	BraekerCTF 2024	24.72	Reverse	files wu 1
The_mainframe_speaks #rexx-reversing	BraekerCTF 2024	24.72	Reverse	files wu 1
flagprinter #reversing #base3-digit-sum #xor-keystream	CyberSpace 2024	24.83	Crypto	files wu 2
Symmetry_1 #spn-cipher-inversion	KalmarCTF 2024	24.21	Reverse	files wu 1
Breaking_The_Vault_Uncover_the_Secrets #android-native-reversing #ghidra	BSidesTLV 2023	35.00	Reverse	files wu 1
KeyHunter #android-apk-reversing #hardcoded-key	BSidesTLV 2023	35.00	Mobile	files wu 1
Apps #mit-app-inventor #aia-reversing	Bucket 2023	24.80	Reverse	files wu 1
Repository_Security #hardcoded-credentials #git-leak	BxMCTF 2023	–	Web	files wu 1
Mediocrity #custom-vm #arbitrary-syscall	Codegate 2023 Quals	–	Pwn	files wu 1
pcpu #race-condition #vm	Codegate 2023 Quals	–	Pwn	files wu 1
Exposed #risc-v-reversing #stripped-binary #flag-checker	CyberSecurityRumble 2023 Quals	24.80	Reverse	files wu 1
Lightbulb #android #apk-reversing #rc4 #java	CyberSecurityRumble 2023 Quals	24.80	Reverse	files wu 1
Soulcode #shellcode #opcode-filter #seccomp-bypass	DanteCTF 2023	24.44	Pwn	files wu 1
LIGAbue #reversing #opentype-font	TeamItaly 2023	24.88	Reverse	files wu 1
Safe_Image_Storage #reversing #protocol-analysis	TeamItaly 2023	24.88	Reverse	files wu 1
ezvm #vm-escape #bytecode-interpreter-oob	0CTF 2022	100.00	Pwn	files wu 1
jabasass #wildfly-undertow-temp-file-upload #war-deploy-rce #java	0CTF 2022	100.00	Web	files wu 1
2linenodejs #prototype-pollution #nodejs #rce-gadget	Balsn 2022	53.42	Web	files wu 1
RevMePlx #reversing #string-analysis #name-divecount-check	CyberSecurityRumble 2022	62.00	Reverse	files wu 2
RobertIsAGangsta #python-type-confusion #json-scientific-notation #auth-bypass	CyberSecurityRumble 2022	62.00	Web	files wu 2
threelittlekeys #android #apk-reversing #seeded-prng	CyberSecurityRumble 2022	62.00	Reverse	files wu 1
snake-jazz #vm-reversing	FE-CTF 2022	–	Reverse	files wu 1
3T-PHON3-HOM3 #android	HackPack 2022	35.11	Reverse	files wu 1
protector #self-modifying-code	KITCTFCTF 2022	–	Reverse	files wu 1
2rm1 #java-rmi #insecure-deserialization #ssrf #jndi	0CTF 2021 Quals	–	Web	files wu 1
tile #tile-gx-architecture #qemu-user #exotic-architecture	0CTF 2021 Quals	–	Pwn	files wu 1

Challenges