Forensics challenges
Recover something from a file, a capture, or a disk image - often from a part of it the format says is unused.
5,011 in the index. The 200 below are ranked by how many independent published solutions exist - which is the right order for learning, not for difficulty. A challenge with nine writeups gives you nine explanations of the same technique to compare; a harder one nobody documented gives you none.
- Lina's InvitationHTB Business CTF 2022: Dirty Money189 writeups
- Memory AnalysisSECCON 2016 Online CTF17 writeups
- TransferCSAW CTF Qualification Round 201517 writeups
- WarpspeedHack The Vote 201616 writeups
- Observe CloselyUTCTF 202015 writeups
- Long GoneRITSEC CTF 201914 writeups
- Stop and ListenTAMUctf 19 201914 writeups
- Fore3: USB probingAlexCTF 201714 writeups
- VoIPSECCON 2016 Online CTF14 writeups
- PuppeteerCyber Apocalypse CTF 2022: Intergalactic Chase 13 writeups
- Just A CommentDawgCTF 202113 writeups
- SatelliteGoogle Capture The Flag 2019 (Quals)13 writeups
- sharpturnCSAW CTF Qualification Round 201513 writeups
- 1597RITSEC CTF 202112 writeups
- Difficult DecryptionTJCTF 202012 writeups
- findmeRITSEC CTF 201912 writeups
- PhreakyCyber Apocalypse 2024: Hacker Royale11 writeups
- BIRDTHIEF: FYSARITSEC CTF 202111 writeups
- Key missionCyber Apocalypse 202111 writeups
- MicrosooftNahamCon CTF 202011 writeups
- UnimportantTJCTF 202011 writeups
- Easy TradeSecurinets CTF Quals 201911 writeups
- Misc 80 - 404 Flag not foundInternetwache CTF 201611 writeups
- FlashCSAW CTF Qualification Round 201511 writeups
- Golden PersistenceCyber Apocalypse CTF 2022: Intergalactic Chase 10 writeups
- RogueHTB Business CTF 2022: Dirty Money10 writeups
- ParcelRITSEC CTF 202110 writeups
- 1 Frame per minuteUTCTF 202010 writeups
- DLPolyInCTF 202010 writeups
- DoS attackSyskron Security CTF 202010 writeups
- I Love ScomoDownUnderCTF 202010 writeups
- Pain in the AssSharkyCTF 202010 writeups
- PenguinsrgbCTF 202010 writeups
- Redacted newsSyskron Security CTF 202010 writeups
- SpectreUTCTF 202010 writeups
- Rogue LeaderUTCTF 201910 writeups
- Take it to the cleanersRITSEC CTF 201910 writeups
- Hard ShellsIceCTF 201810 writeups
- MiroCodegate CTF 2018 Preliminary10 writeups
- Modern PicassoIceCTF 201810 writeups
- Petty DifferenceEasyCTF 201710 writeups
- Breaking NewsRC3 CTF 201610 writeups
- Corrupt TransmissionIceCTF 201610 writeups
- For2Google Capture The Flag 201610 writeups
- Time TravelerIceCTF 201610 writeups
- A new HireCyber Apocalypse CTF 2025: Tales from Eldoria9 writeups
- Ph4nt0m 1ntrud3rpicoCTF 2025picoctfsolutions.comworked solution
- REDpicoCTF 2025picoctfsolutions.comworked solution
- An Unusual SightingCyber Apocalypse 2024: Hacker Royale9 writeups
- Blast from the pastpicoCTF 2024picoctfsolutions.comworked solution
- CanYouSeepicoCTF 2024picoctfsolutions.comworked solution
- Data SiegeCyber Apocalypse 2024: Hacker Royale9 writeups
- Dear DiarypicoCTF 2024picoctfsolutions.comworked solution
- endianness-v2picoCTF 2024picoctfsolutions.comworked solution
- Mob psychopicoCTF 2024picoctfsolutions.comworked solution
- Scan SurprisepicoCTF 2024picoctfsolutions.comworked solution
- Secret of the PolyglotpicoCTF 2024picoctfsolutions.comworked solution
- VerifypicoCTF 2024picoctfsolutions.comworked solution
- FindAndOpenpicoCTF 2023picoctfsolutions.comworked solution
- HelloKnightCTF 20239 writeups
- hidemepicoCTF 2023picoctfsolutions.comworked solution
- MSBpicoCTF 2023picoctfsolutions.comworked solution
- Packet Cyclone Cyber Apocalypse 2023: The Cursed Mission9 writeups
- PcapPoisoningpicoCTF 2023picoctfsolutions.comworked solution
- EavesdroppicoCTF 2022picoctfsolutions.comworked solution
- Enhance!picoCTF 2022picoctfsolutions.comworked solution
- File typespicoCTF 2022picoctfsolutions.comworked solution
- Lookey herepicoCTF 2022picoctfsolutions.comworked solution
- Operation OnipicoCTF 2022picoctfsolutions.comworked solution
- Operation OrchidpicoCTF 2022picoctfsolutions.comworked solution
- Packets PrimerpicoCTF 2022picoctfsolutions.comworked solution
- Redaction gone wrongpicoCTF 2022picoctfsolutions.comworked solution
- SideChannelpicoCTF 2022picoctfsolutions.comworked solution
- Sleuthkit ApprenticepicoCTF 2022picoctfsolutions.comworked solution
- Sleuthkit IntropicoCTF 2022picoctfsolutions.comworked solution
- St3g0picoCTF 2022picoctfsolutions.comworked solution
- AlienphishCyber Apocalypse 20219 writeups
- baby APTCyber Santa is Coming to Town 20219 writeups
- HoneypotCyber Santa is Coming to Town 20219 writeups
- Inception CTF : Dream 3RITSEC CTF 20219 writeups
- InformationpicoCTF 2021picoctfsolutions.comworked solution
- MacroHard WeakEdgepicoCTF 2021picoctfsolutions.comworked solution
- Matryoshka dollpicoCTF 2021picoctfsolutions.comworked solution
- New MetaAero CTF 20219 writeups
- Trivial Flag Transfer ProtocolpicoCTF 2021picoctfsolutions.comworked solution
- tunn3l v1s10npicoCTF 2021picoctfsolutions.comworked solution
- Wireshark doo dooo do doo...picoCTF 2021picoctfsolutions.comworked solution
- AC1750HITCON CTF 20209 writeups
- AWDarkCTF 20209 writeups
- CallboyHack.lu CTF 20209 writeups
- ChangeSyskron Security CTF 20209 writeups
- msdångstromCTF 20209 writeups
- c0rruptpicoCTF 2019picoctfsolutions.comworked solution
- extensionspicoCTF 2019picoctfsolutions.comworked solution
- Glory of the GardenpicoCTF 2019picoctfsolutions.comworked solution
- Investigative Reversing 0picoCTF 2019picoctfsolutions.comworked solution
- Investigative Reversing 1picoCTF 2019picoctfsolutions.comworked solution
- like1000picoCTF 2019picoctfsolutions.comworked solution
- m00nwalkpicoCTF 2019picoctfsolutions.comworked solution
- m00nwalk2picoCTF 2019picoctfsolutions.comworked solution
- shark on wire 1picoCTF 2019picoctfsolutions.comworked solution
- shark on wire 2picoCTF 2019picoctfsolutions.comworked solution
- So MetapicoCTF 2019picoctfsolutions.comworked solution
- welcomePragyan CTF 20199 writeups
- What Lies WithinpicoCTF 2019picoctfsolutions.comworked solution
- WhitePagespicoCTF 2019picoctfsolutions.comworked solution
- ScisnerofEasyCTF 20179 writeups
- InvestNuit du Hack CTF Quals 20169 writeups
- john-in-the-middlePoliCTF 20159 writeups
- doge_stegePlaidCTF 20149 writeups
- FreelancedMCSC CTF 20268 writeups
- Readme ZhLYKNCTF 20268 writeups
- flags are stepicpicoCTF 2025picoctfsolutions.comworked solution
- SilentTrapCyber Apocalypse CTF 2025: Tales from Eldoria8 writeups
- Fake BoostCyber Apocalypse 2024: Hacker Royale8 writeups
- It Has BegunCyber Apocalypse 2024: Hacker Royale8 writeups
- UrgentCyber Apocalypse 2024: Hacker Royale8 writeups
- GamerRussian CTF Cup 2023 Qualifier8 writeups
- MatryoshkaniteCTF 20238 writeups
- Who Is ItpicoCTF 20238 writeups
- Anthem.FlagpicoCTF 20228 writeups
- AutomationCyber Apocalypse CTF 2022: Intergalactic Chase 8 writeups
- ExppicoCTF 20228 writeups
- Financial Report for ABC LabspicoCTF 20228 writeups
- How's the SharkKnightCTF 20228 writeups
- Plugin.MinHTB University CTF 2022 : Supernatural Hacks8 writeups
- Trick OrbreachHack The Boo 20228 writeups
- whack-a-frogcorCTF 20228 writeups
- Challenge andRITSEC CTF 20218 writeups
- HenpeckNahamCon CTF 20218 writeups
- Inception CTF : Dream 1RITSEC CTF 20218 writeups
- Inception CTF : Dream 2RITSEC CTF 20218 writeups
- InvitationCyber Apocalypse 20218 writeups
- SHIFTUTCTF 20218 writeups
- Tablet 1UIUCTF 20218 writeups
- Tablet 2UIUCTF 20218 writeups
- [basics] forensicsUTCTF 20208 writeups
- Deep DiveSarCTF by Saratov State University 20208 writeups
- EzoterikHouseplant CTF 20208 writeups
- Locked KitKatzer0pts CTF 20208 writeups
- MemoryFwordCTF 20208 writeups
- Romance DawnSharkyCTF 20208 writeups
- ws3ångstromCTF 20208 writeups
- B1g_MacpicoCTF 2019picoctfsolutions.comworked solution
- FlagpicoCTF 20198 writeups
- I love imagesQuals: Saudi and Oman National Cyber Security CTF 20198 writeups
- Magic PNGsPragyan CTF 20198 writeups
- Save EarthPragyan CTF 20198 writeups
- UnzippicoCTF 20198 writeups
- You shall not passINS'hAck 20198 writeups
- 1 - What the password?OtterCTF 20188 writeups
- 2 - General InfoOtterCTF 20188 writeups
- 3 - Play TimeOtterCTF 20188 writeups
- 6 - Silly RickOtterCTF 20188 writeups
- 7 - Hide And SeekOtterCTF 20188 writeups
- Absolutely RelativepicoCTF 20188 writeups
- Admin PanelpicoCTF 20188 writeups
- AtomicSTEM CTF: Cyber Challenge 20188 writeups
- Buffer Overflow 0picoCTF 20188 writeups
- DesrouleauxpicoCTF 20188 writeups
- Ext Super MagicpicoCTF 20188 writeups
- Grep 2picoCTF 20188 writeups
- Hex EditorpicoCTF 20188 writeups
- IoSTEM CTF: Cyber Challenge 20188 writeups
- KexecSTEM CTF: Cyber Challenge 20188 writeups
- LoadSomeBitspicoCTF 20188 writeups
- Malware ShopspicoCTF 20188 writeups
- Now You Don'TpicoCTF 20188 writeups
- PgtableSTEM CTF: Cyber Challenge 20188 writeups
- PipepicoCTF 20188 writeups
- Recovering From the SnappicoCTF 20188 writeups
- Ssh KeyzpicoCTF 20188 writeups
- Truly an ArtistpicoCTF 20188 writeups
- What Base Is This?picoCTF 20188 writeups
- Digital CamouflagepicoCTF 20178 writeups
- InterstellarPragyan CTF 20178 writeups
- Little School BuspicoCTF 20178 writeups
- Meta Find MepicoCTF 20178 writeups
- Special Agent UserpicoCTF 20178 writeups
- Zip TunnelEasyCTF 20178 writeups
- For1Google Capture The Flag 20168 writeups
- My Lil DroidRC3 CTF 20168 writeups
- PCAPBleedingInsomni'hack 20168 writeups
- Big LieASIS CTF Finals 20158 writeups
- Keep Calm and CTFCSAW CTF Qualification Round 20158 writeups
- LolteamEasyctf 20158 writeups
- png uncorruptPlaidCTF 20158 writeups
- puzzlengHITCON CTF 2015 Quals8 writeups
- StrangeASIS CTF Finals 20158 writeups
- curlcorePlaidCTF 20148 writeups
- Important day!ASIS CTF Finals 20148 writeups
- ChronosboroCTF 20267 writeups
- Bitlocker-1picoCTF 2025picoctfsolutions.comworked solution
- CaveExpeditionCyber Apocalypse CTF 2025: Tales from Eldoria7 writeups
- StealthInvasionCyber Apocalypse CTF 2025: Tales from Eldoria7 writeups
- TalesfortheBraveCyber Apocalypse CTF 2025: Tales from Eldoria7 writeups
- ToolPieCyber Apocalypse CTF 2025: Tales from Eldoria7 writeups
- ArtifactBlackHat MEA CTF Qualification 20247 writeups
- Budget SoCjustCTF 2024 teaser7 writeups
- CovertCSAW CTF Qualification Round 20247 writeups
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