$ ctf42

Challenges

Category
Difficulty
CTFtime weight
–
Higher weight ≈ harder, more prestigious event.
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Must have
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148 challenges · browse all techniques

Challenge CTF Weight Category Has
Numbers
#integer-signedness
 FwordCTF 2020 24.42 Misc files wu 2
OnePieceRemake
#format-string
 FwordCTF 2020 24.42 Misc files wu 2
WelcomePwner
#ret2libc
 FwordCTF 2020 24.42 Misc files wu 2
Cards
#tcache-poisoning#safe-linking-bypass#environ-leak#orw-rop
 PoseidonCTF 2020 – Misc files wu 2
Oldnote
#negative-size#heap-overflow#stdout-file-leak#free-hook
 PoseidonCTF 2020 – Misc files wu 2
A_Whisper_in_the_Air Securinets 2026 Quals 85.12 Hardware files
Backdrop Securinets 2026 Quals 85.12 Mobile files
CUR53D_ENTR0PY Securinets 2026 Quals 85.12 Reverse files
DumPwn Securinets 2026 Quals 85.12 Forensics files
Encrypt Securinets 2026 Quals 85.12 Reverse files
Gelatino Securinets 2026 Quals 85.12 Hardware files
House_of_ekko Securinets 2026 Quals 85.12 Pwn files
House_of_ekko_revenge Securinets 2026 Quals 85.12 Pwn files
Misdirection_Part_1 Securinets 2026 Quals 85.12 Crypto files
Misdirection_Part_2 Securinets 2026 Quals 85.12 Crypto files
Murder Securinets 2026 Quals 85.12 OSINT files
NightFall Securinets 2026 Quals 85.12 Reverse files
OM3GA Securinets 2026 Quals 85.12 Reverse files
Old_Calculator Securinets 2026 Quals 85.12 Crypto files
Over_flow Securinets 2026 Quals 85.12 Pwn files
RabbitHole Securinets 2026 Quals 85.12 OSINT files
Silent_Tone Securinets 2026 Quals 85.12 Forensics files
Void Securinets 2026 Quals 85.12 Pwn files
bitflip Securinets 2026 Quals 85.12 Pwn files
crust Securinets 2026 Quals 85.12 Pwn files
letmethink Securinets 2026 Quals 85.12 Reverse files
nyoom Securinets 2026 Quals 85.12 Web files
revenant Securinets 2026 Quals 85.12 Reverse files
BR34K_0F_STACK Securinets 2025 Quals 70.50 Reverse files
C0d3_Fu5 Securinets 2025 Quals 70.50 Reverse files
Crab Securinets 2025 Quals 70.50 Reverse files
Exclusive Securinets 2025 Quals 70.50 Crypto files
Fl0pper_Zer1 Securinets 2025 Quals 70.50 Crypto files
Fl1pper_Zer0 Securinets 2025 Quals 70.50 Crypto files
Puzzle Securinets 2025 Quals 70.50 Web files
Recovery Securinets 2025 Quals 70.50 Forensics files
S3cret5 Securinets 2025 Quals 70.50 Web files
Sukunahikona Securinets 2025 Quals 70.50 Pwn files
V_tables Securinets 2025 Quals 70.50 Pwn files
XTaSy Securinets 2025 Quals 70.50 Crypto files