OtterCTF
60 challenges with 127 published community solutions between them. Solution links go to CTFtime’s task page, which aggregates every writeup for a challenge - individual blog posts rot, the aggregator does not.
Full task list on CTFtimeForensics25
Recover something from a file, a capture, or a disk image - often from a part of it the format says is unused.
Also written up in: mzfr/ctf-writeups, 0xmzfr/ctf-writeups
- forensics
- memory
Same technique in picoCTF: Bitlocker-2, investigation_encoded_2, FindAndOpen
Also written up in: mzfr/ctf-writeups, 0xmzfr/ctf-writeups
- forensics
- memory
Same technique in picoCTF: Bitlocker-2, investigation_encoded_2, FindAndOpen
Also written up in: mzfr/ctf-writeups, 0xmzfr/ctf-writeups
- forensics
- memory
Same technique in picoCTF: Bitlocker-2, investigation_encoded_2, FindAndOpen
Also written up in: mzfr/ctf-writeups, 0xmzfr/ctf-writeups
- forensics
- memory
Same technique in picoCTF: Bitlocker-2, investigation_encoded_2, FindAndOpen
Also written up in: mzfr/ctf-writeups, 0xmzfr/ctf-writeups
- forensics
- memory
Same technique in picoCTF: Bitlocker-2, investigation_encoded_2, FindAndOpen
- forensics
- memory
Same technique in picoCTF: Bitlocker-2, investigation_encoded_2, FindAndOpen
- forensics
Same technique in picoCTF: investigation_encoded_2, FindAndOpen, Ph4nt0m 1ntrud3r
- forensics
Same technique in picoCTF: investigation_encoded_2, FindAndOpen, Ph4nt0m 1ntrud3r
- forensic
- memory
Same technique in picoCTF: Bitlocker-2, investigation_encoded_2, FindAndOpen
- memory
- forensics
Same technique in picoCTF: Bitlocker-2, investigation_encoded_2, FindAndOpen
Also written up in: securityespresso/writeups
- network
Same technique in picoCTF: investigation_encoded_2, FindAndOpen, Ph4nt0m 1ntrud3r
- network
Same technique in picoCTF: investigation_encoded_2, FindAndOpen, Ph4nt0m 1ntrud3r
- forensics
Same technique in picoCTF: investigation_encoded_2, FindAndOpen, Ph4nt0m 1ntrud3r
- forensics
Same technique in picoCTF: investigation_encoded_2, FindAndOpen, Ph4nt0m 1ntrud3r
Also written up in: securityespresso/writeups
- network
Same technique in picoCTF: investigation_encoded_2, FindAndOpen, Ph4nt0m 1ntrud3r
[Memory Forensics] 12 Recovery
1 official solutionAlso written up in: h4ck4s3cur1ty.tistory.com
[Memory Forensics] 13 Closure
1 official solutionAlso written up in: h4ck4s3cur1ty.tistory.com
- memory
- forensics
Same technique in picoCTF: Bitlocker-2, investigation_encoded_2, FindAndOpen
- memory
- forensics
Same technique in picoCTF: Bitlocker-2, investigation_encoded_2, FindAndOpen
Memory forensics
1 official solutionAlso written up in: binhhuynh2727.blogspot.com
- forensics
Same technique in picoCTF: investigation_encoded_2, FindAndOpen, Ph4nt0m 1ntrud3r
- forensics
Same technique in picoCTF: investigation_encoded_2, FindAndOpen, Ph4nt0m 1ntrud3r
- forensics
Same technique in picoCTF: investigation_encoded_2, FindAndOpen, Ph4nt0m 1ntrud3r
- forensics
Same technique in picoCTF: investigation_encoded_2, FindAndOpen, Ph4nt0m 1ntrud3r
- forensics
Same technique in picoCTF: investigation_encoded_2, FindAndOpen, Ph4nt0m 1ntrud3r
Uncategorised21
The upstream scoreboard did not say, so neither do we.
Binops
1 official solutionAlso written up in: netonehc/write-ups
Bit By Bit
1 official solutionAlso written up in: aadityapurani/My-CTF-Solutions
Foren Otr 1 Find The Lutra
1 official solutionAlso written up in: netonehc/write-ups
Foren Otr 5 Wrong Place Wrong Time
1 official solutionAlso written up in: netonehc/write-ups
General Info
1 official solutionAlso written up in: aadityapurani/My-CTF-Solutions
Graphics Is For Weak
1 official solutionAlso written up in: aadityapurani/My-CTF-Solutions
HideAndSeek
1 official solutionAlso written up in: aadityapurani/My-CTF-Solutions
Mem Foren
1 official solutionAlso written up in: netonehc/write-ups
memoryforensic 1 What the password
1 official solutionAlso written up in: g-0-p-h-e-r/CTF
memoryforensic 2 General Info
1 official solutionAlso written up in: g-0-p-h-e-r/CTF
memoryforensic 3 Play Time
1 official solutionAlso written up in: g-0-p-h-e-r/CTF
memoryforensic 4 Game Name
1 official solutionAlso written up in: g-0-p-h-e-r/CTF
memoryforensic 5 Game Name 2
1 official solutionAlso written up in: g-0-p-h-e-r/CTF
memoryforensic 6 Silly Rick
1 official solutionAlso written up in: g-0-p-h-e-r/CTF
memoryforensic 7 Hide And Seek
1 official solutionAlso written up in: g-0-p-h-e-r/CTF
Name Game 1
1 official solutionAlso written up in: aadityapurani/My-CTF-Solutions
Net Look At Me
1 official solutionAlso written up in: netonehc/write-ups
Playtime
1 official solutionAlso written up in: aadityapurani/My-CTF-Solutions
Recovery
1 official solutionAlso written up in: aadityapurani/My-CTF-Solutions
SillyRick
1 official solutionAlso written up in: aadityapurani/My-CTF-Solutions
Whats the password
1 official solutionAlso written up in: aadityapurani/My-CTF-Solutions
Misc7
Everything that fits no other box: esolangs, puzzles, scripting exercises, and the jail escapes that have not yet earned their own category.
Also written up in: mzfr/ctf-writeups, 0xmzfr/ctf-writeups
Same technique in picoCTF: PW Crack 2, Permissions, Specialer
Also written up in: securityespresso/writeups, g-0-p-h-e-r/CTF, netonehc/write-ups
- misc
Same technique in picoCTF: PW Crack 2, Permissions, Specialer
Also written up in: netonehc/write-ups
- misc
Same technique in picoCTF: PW Crack 2, Permissions, Specialer
- misc
Same technique in picoCTF: PW Crack 2, Permissions, Specialer
- misc
Same technique in picoCTF: PW Crack 2, Permissions, Specialer
- misc
Same technique in picoCTF: PW Crack 2, Permissions, Specialer
- misc
Same technique in picoCTF: PW Crack 2, Permissions, Specialer
Reverse engineering6
Work out what a compiled program does without its source, then work backwards from the check to the input that passes it.
Also written up in: KosBeg/ctf-writeups
- reverse
Same technique in picoCTF: Checkpass, WinAntiDbg0x100, WinAntiDbg0x200
Also written up in: KosBeg/ctf-writeups
- reverse
Same technique in picoCTF: Checkpass, WinAntiDbg0x100, WinAntiDbg0x200
Also written up in: KosBeg/ctf-writeups
- reverse
Same technique in picoCTF: Checkpass, WinAntiDbg0x100, WinAntiDbg0x200
Also written up in: KosBeg/ctf-writeups
- reverse
Same technique in picoCTF: Checkpass, WinAntiDbg0x100, WinAntiDbg0x200
Also written up in: KosBeg/ctf-writeups
- reverse
Same technique in picoCTF: Checkpass, WinAntiDbg0x100, WinAntiDbg0x200
Also written up in: KosBeg/ctf-writeups
- reverse
Same technique in picoCTF: Checkpass, WinAntiDbg0x100, WinAntiDbg0x200
Steganography1
Find the payload hidden inside a carrier that looks ordinary. Bit planes, appended data, metadata, and audio spectrograms.
- steganography
Same technique in picoCTF: StegoRSA, Glory of the Garden, Investigative Reversing 0