HCMUS - CTF 2021

About competition

The Cyber Security Competition for Students

By Computer Security Club, VNUHCM - University of Science

Qualification Round

The competition took place from 19h00 21/05/2021 to 19h00 23/05/2021 (UTC+7).

Here is list of challenges

Points for each challenge depends on number of solved teams, but always above or equal minimum points

Title	Initial points	Minimum points	Category	Flag
CRYPTOGRAPHY
SanityCheck	50	25	Cryptography
SingleByte	50	25	Cryptography
TheChosenOne	100	50	Cryptography
CrackMe	100	50	Cryptography
Permutation	100	50	Cryptography
RSB	100	50	Cryptography
DESX	100	50	Cryptography
FORENSICS
NiceEars	50	25	Forensics
metadata	50	25	Forensics
SaveMe	50	25	Forensics
Maquerade	100	50	Forensics
Memory	200	100	Forensics
TestYourCmd	200	100	Forensics
MISC
Dodge	50	25	Misc
StrangerThing	50	25	Misc
EscapeMe	100	50	Misc
PWN
mybirthday	50	25	Pwn
bank1	50	25	Pwn
bank2	100	50	Pwn
bank3	100	50	Pwn
SecretWeapon	100	50	Pwn
bank4	200	100	Pwn
bank6	200	100	Pwn
bank5	200	100	Pwn
REVERSING
Faded	100	50	Reversing
RealMalware1	100	50	Reversing
bhide	100	50	Reversing
AndroidRev	200	100	Reversing
mixed_vm	200	100	Reversing
WeirdProtocol	200	100	Reversing
WEB
Nothingness	50	25	Web
EasyLogin	100	50	Web
SimpleCalculator	100	50	Web
GITchee-gitchee-goo	200	100	Web