CTF challenges & writeups

3995 challenges · browse all techniques

Challenge	CTF	Weight	Category	Has
get_it #stack-buffer-overflow #ret2win	CSAW 2018 Quals	30.23	Misc	files wu 3
kvm #kvm-vm-reversing #huffman-coding	CSAW 2018 Quals	30.23	Misc	files wu 3
shell_code #stack-buffer-overflow #split-shellcode #jump-chaining	CSAW 2018 Quals	30.23	Misc	files wu 3
turtles #objective-c-reversing #got-overwrite #format-string	CSAW 2018 Quals	30.23	Misc	files wu 3
BuggyPWN #custom-vm-reversing #2d-memory-oob #stack-overflow #printable-shellcode	CTFZone 2018 Quals	23.92	Misc	files wu 2
EZPZ_CRKMEE #avr-firmware-reversing #simavr-emulation #gdb-scripting	CTFZone 2018 Quals	23.92	Misc	files wu 1
FederationWorkflowSystem #aes-ecb #byte-at-a-time-decryption #chosen-prefix	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
MobileBank #format-string #got-overwrite #dynelf-leak #ret2system	CTFZone 2018 Quals	23.92	Misc	files wu 3
SignatureServer #winternitz-ots #signature-forgery #checksum-bypass	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
lucky #prng-seed-overwrite #rand-prediction #buffer-overflow	Defcamp 2018 Quals	18.75	Misc	files wu 3
baby_tcache #poison-null-byte	HITCON 2018	–	Misc	files wu 2
children_tcache #tcache-dup	HITCON 2018	–	Misc	files wu 3
groot #double-free	HITCON 2018	–	Misc	files wu 1
hitcon #buffer-overflow	HITCON 2018	–	Misc	files wu 1
secretnote #coppersmith	HITCON 2018	–	Misc	files wu 1
super_hexagon #trustzone	HITCON 2018	–	Misc	files wu 3
tftp #format-string	HITCON 2018	–	Misc	files wu 1
babyphp #php-code-injection	Hack.lu 2018	72.75	Misc	files wu 1
heap_heaven_2 #fastbin	Hack.lu 2018	72.75	Misc	files wu 3
heap_hell #integer-underflow	Hack.lu 2018	72.75	Misc	files wu 2
slot_machine #tcache-poisoning	Hack.lu 2018	72.75	Misc	files wu 1
dead_note_lv1 #oob-index	ISITDTU 2018 Quals	23.38	Misc	files wu 3
dead_note_lv2 #unsafe-unlink	ISITDTU 2018 Quals	23.38	Misc	files wu 1
dead_note_lv3 #house-of-force	ISITDTU 2018 Quals	23.38	Misc	files wu 1
shop #heap-overflow #got-overwrite #one-gadget	PlaidCTF 2018	90.83	Misc	files wu 3
Rnote4 #no-relro #got-overwrite #heap	RCTF 2018	–	Misc	files wu 2
babyheap #off-by-one #null-byte-poisoning #malloc-hook	RCTF 2018	–	Misc	files wu 3
rnote3 #uninitialized-stack #overlapping-chunks #free-hook	RCTF 2018	–	Misc	files wu 3
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
stringer #off-by-one #double-free #mmap-chunk #fastbin-attack #malloc-hook	RCTF 2018	–	Misc	files wu 3
classic #rop #ret2libc #stack-pivot	SECCON 2018 Quals	36.92	Misc	files wu 3
internet_of_seat #uclibc-heap #realloc-overflow #got-overwrite	SECCON 2018 Quals	36.92	Misc	files wu 1
kindvm #custom-vm #stack-buffer-overflow	SECCON 2018 Quals	36.92	Misc	files wu 1
profile #cpp-string #arbitrary-read #one-gadget	SECCON 2018 Quals	36.92	Misc	files wu 3
q-escape #qemu-escape #vm-escape	SECCON 2018 Quals	36.92	Misc	files wu 1
load #rop #orw	TokyoWesterns 2018	–	Misc	files wu 3
neighbor_c #file-structure-attack	TokyoWesterns 2018	–	Misc	files wu 3

Challenges