CTF challenges & writeups

37 challenges in family ⊕ rev:tooling ✕ clear · browse all techniques

Challenge	CTF	Weight	Category	Has
Borrowed_Memory #bytecode-vm-emulation #xorshift-table-regeneration #checksum-guided-debugging #xor-decryption	BDSec 2026	15.62	Reverse	files wu 1
Easy_RE_Challenge #symbol-guided-static-analysis #xor-rol-inversion #decoy-path-elimination	BDSec 2026	15.62	Reverse	files wu 1
Secure_Bank #static-analysis #ltrace #hardcoded-credentials	1337UP 2024	–	Reverse	files wu 1
baby_rev #ghidra-static-analysis	BITSCTF 2024	–	Reverse	files wu 2
RevEng #xor-decryption #ghidra	BYUCTF 2023	–	Reverse	files wu 1
What_is_it #autoit-decompilation #script-deobfuscation	CYBERGON 2023	–	Reverse	files wu 1
Cereal_Killer_01 #reversing #ghidra #stack-string-decode #debugger-patch	DEADFACE 2023	–	Reverse	files wu 2
Cereal_Killer_04 #java-reversing #jar-decompilation #procyon	DEADFACE 2023	–	Reverse	files wu 1
Cereal_Killer_05 #reversing #gdb #memory-search	DEADFACE 2023	–	Reverse	files wu 2
parallelism #reversing #permutation-recovery #gdb #memcmp	DiceCTF 2023	36.70	Reverse	files wu 2
back-to-basics #static-analysis	HSCTF 2023	–	Reverse	files wu 1
ctfd-plus #gdb-register-extraction	LA 2023	–	Reverse	files wu 3
child-re #xor #static-analysis	WolvCTF 2023	24.33	Reverse	files wu 1
cup-of-tea #tea-cipher #reversing #ida	Defcamp 2022	–	Reverse	files wu 2
malwy #malware-analysis #reversing #ida	Defcamp 2022	–	Reverse	files wu 1
Esoteric #ghidra-static-analysis	OFPPT 2022	–	Reverse	files wu 1
FunctionalCPP #gdb-scripting #brute-force	vsCTF 2022	23.32	Reverse	files wu 1
Storytime_The_Opening_Gambit #strings #static-analysis #plaintext-flag	BCACTF 2021	–	Reverse	files wu 1
Scraps #reversing #stack-strings #ida	DeconstruCT.F 2021	19.69	Reverse	files wu 3
LostInYourEyes #vm-reversing #custom-bytecode #ida	DiceCTF 2021	24.82	Reverse	files wu 3
no_strings #static-analysis	DownUnderCTF 2021	–	Reverse	files wu 2
EasyAssembly #static-analysis	HeroCTF 2021	35.17	Reverse	files wu 3
tertiary #gdb #dynamic-analysis #ternary	S4CTF 2021	24.52	Reverse	files wu 1
Helpful_Debugger #gdb-autoload-exploit	TAMUctf 2021	–	Pwn	files wu 1
Starbucks #java-reversing #decompilation	UMDCTF 2021	–	Reverse	files wu 2
MisleadingSteps #false-flag #dynamic-analysis	VishwaCTF 2021	–	Reverse	files wu 2
babyrev #ghidra-static-analysis	corCTF 2021	24.92	Reverse	files wu 3
reverse_cipher #char-shift-cipher #ghidra	picoCTF 2019	–	Reverse	files wu 1
ATourofx86-Part2 #x86-bootloader-reversing #disk-address-packet #static-analysis	CSAW 2018 Quals	30.23	Misc	files wu 1
EZPZ_CRKMEE #avr-firmware-reversing #simavr-emulation #gdb-scripting	CTFZone 2018 Quals	23.92	Misc	files wu 1
Breaking_The_Vault_Uncover_the_Secrets #android-native-reversing #ghidra	BSidesTLV 2023	35.00	Reverse	files wu 1
Pave_The_Way #java-jar-reversing #decompilation	COMPFEST 2021	–	Reverse	files wu 1
Just_In_Time #reversing #dynamic-analysis #breakpoint-flag-extraction	DCTF 2021	–	Reverse	files wu 3
Saw #static-analysis	FwordCTF 2021	24.42	Reverse	files wu 1
Famous_Pin #static-analysis	eHaCON 2021	–	Reverse	files wu 3
Seeking_the_flag #static-analysis	eHaCON 2021	–	Reverse	files wu 3
blink #hardcoded-secret #static-analysis	BSidesSF 2019	25.00	Misc	files wu 3

Challenges