HSCTF 2021

Web 2

Challenge	Has
grading #idor	files wu 3
message-board #cookie-tampering	files wu 3

Pwn 4

Challenge	Has
House_of_Sice	files wu 3
Use_After_Freedom #use-after-free (uaf)	files wu 1
gelcode #shellcode	files wu 1
stonks #buffer-overflow	files wu 3

Reverse 7

Challenge	Has
hcsDS	files
jctech	files
multidimensional #reverse-engineering	files src wu 3
scrambler #python-bytecode	files wu 2
simpl	files
sneks #python-bytecode	files wu 3
warmup-rev #function-inversion	files src wu 3

Crypto 9

Challenge	Has
agelaius-phoeniceus	files
aptenodytes-forsteri #substitution-cipher	files src wu 2
canis-lupus-familiaris-bernardus	files src
cyanocitta-cristata-cyanotephra	files
cyanocitta-cristata-cyanotephra-but-fixed	files
opisthocomus-hoazin #known-plaintext	files src wu 2
queen-of-the-hill #hill-cipher	files src wu 2
regulus-ignicapilla	files
regulus-satrapa #partial-key-exposure	files wu 1

Misc 1

Challenge	Has
algo	files