CTF challenges & writeups

994 challenges · browse all techniques

Challenge	CTF	Weight	Category	Has
Duck_Nettool_Revenge #filter-bypass #glob-expansion #command-injection	V1T 2026	22.14	Web	files wu 1
Ducks_Ping_Pong #windows-driver-reversing #ioctl #veh	V1T 2026	22.14	Reverse	files wu 1
Hextrap #ecm-factorization #rsa #oaep	V1T 2026	22.14	Crypto	files wu 1
Tiny #reversing #run-length-encoding	V1T 2026	22.14	Reverse	files wu 1
Invaders #godot-game-reversing	N0PSctf 2025	24.34	Pwn	files wu 1
Key_Exchange #diffie-hellman-key-exchange	N0PSctf 2025	24.34	Crypto	files wu 1
Are_you_incognito #browser-extension #dom-clobbering	TPCTF 2025	–	Web	files wu 1
baby_layout #dompurify-bypass #xss	TPCTF 2025	–	Web	files wu 1
encrypted_chat #many-time-pad #keystream-reuse #race-condition	TPCTF 2025	–	Crypto	files wu 1
safe_layout_revenge #dompurify-bypass #mutation-xss	TPCTF 2025	–	Web	files wu 1
verified_toolbox #cve-2024-38807 #jar-signature-forgery	TPCTF 2025	–	Misc	files wu 1
Broken_OTP #time-seeded-prng	N0PSctf 2024	24.34	Crypto	files wu 2
Fractional_Flag #rsa-variant #wiener-lattice-attack #small-private-exponent	Cryptoverse 2023	24.52	Crypto	files wu 1
Knapsack_vs_Backpack #subset-sum #greedy-knapsack #merkle-hellman #superincreasing-sequence	Cryptoverse 2023	24.52	Crypto	files wu 1
IS_THIS_LCG #multiprime-rsa #truncated-lcg #ec-lcg #lll (lll-lattice-reduction)	RCTF 2022	–	Crypto	files wu 1
S2DH #sidh #castryck-decru #torsion-point	RCTF 2022	–	Crypto	files wu 1
DigitalCircuits #pyinstaller #reversing	SUSCTF 2022	–	Reverse	files wu 1
CandyShop #nosql-injection #ssti	RCTF 2021	–	Web	files wu 1
Easyphp #url-decode-discrepancy #auth-bypass #double-encoding	RCTF 2021	–	Web	files wu 1
HackChain #solidity #delegatecall #function-pointer-jump	RCTF 2021	–	Crypto	files wu 1
Hi_Harmony #riscv #harmonyos #caesar-cipher	RCTF 2021	–	Reverse	files wu 1
LoongArch #loongarch #instruction-set-reversing	RCTF 2021	–	Reverse	files wu 1
Pokemon #tcache-stashing-unlink #heap-overflow #null-byte-bypass	RCTF 2021	–	Pwn	files wu 1
Uncommon_Factors_II #rsa #implicit-factoring #lll (lll-lattice-reduction)	RCTF 2021	–	Crypto	files wu 1
Valgrind #vex-ir #valgrind #caesar-cipher	RCTF 2021	–	Reverse	files wu 1
VerySafe #caddy-path-traversal #php-fpm #argument-injection	RCTF 2021	–	Web	files wu 1
catch_the_frog #integer-overflow #heap-overflow	RCTF 2021	–	Pwn	files wu 1
dht #bruteforce #thread-race #search-pruning	RCTF 2021	–	Reverse	files wu 1
ezheap #alignment-overflow #negative-index #out-of-bounds (oob)	RCTF 2021	–	Pwn	files wu 1
game #custom-vm #out-of-bounds (oob)	RCTF 2021	–	Pwn	files wu 1
musl #musl-heap #meta-corruption #orw #seccomp	RCTF 2021	–	Pwn	files wu 2
ns_shaft_sql #error-based-sqli #mysql	RCTF 2021	–	Web	files wu 1
sharing #shared-ptr #refcount-underflow #use-after-free (uaf)	RCTF 2021	–	Pwn	files wu 1
two_shortest #oob-index #free-pascal #got-overwrite	RCTF 2021	–	Reverse	files wu 1
unistruct #stdvariant #iterator-invalidation #use-after-free (uaf)	RCTF 2021	–	Pwn	files wu 1
warmnote #musl-heap #null-byte-overflow #meta-corruption #stack-pivot	RCTF 2021	–	Pwn	files wu 2
xss_it #ejs-ssti #xss #xs-leak	RCTF 2021	–	Web	files wu 1
broadcast_test #android #parcelable-mismatch #cve-2017-13288	De1CTF 2020	24.28	Misc	files wu 1
pppd #cve-2020-8597 #pppd #eap #stack-overflow	De1CTF 2020	24.28	Misc	files wu 2
stl_container #c++-stl #heap-exploitation #tcache #libc-2.27	De1CTF 2020	24.28	Misc	files wu 2

Challenges