CTFCrack PDF file hash. Morse code CTFUnconventional math arithmetics. Programming CTFImaginaryCTF 21/12/2022. 75 points. Seven-segment display. Hexadecimal and Base64 encodings CTFImaginaryCTF 12/12/2022. 50 points. DNS CTFImaginaryCTF 14/08/2022. 50 points. Inverse sine of a number CTFnpiet esoteric language CTFImaginaryCTF 02/01/2023. 50 points. Base64 encoding CTFImaginaryCTF 03/07/2022. 30 points. Numerical base CTFImage subtraction. Steganography with zsteg CTFPath-finding. Breadth-first Search CTFHTB CA 2023. Binary search. Euclidean distance CTFJavaScript deobfuscation CTFBlockchain. Integer operations. Server-Side Template Injection CTFGTFOBin in ZIP command CTFText processing. Math operations CTFImaginaryCTF 02/08/2022. 30 points. Cosine of a number CTFImaginaryCTF 04/08/2022. 30 points. Cosine of a number with many decimal places CTFCrack MD5 hash. Steganography with steghide and binwalk CTFMD5. Web requests. Scripting CTFZIP compression. Password brute force CTFJavaScript deobfuscation. AES cipher. Brute force CTFChess. FEN string. Stockfish CTFZIP archive password brute force. Base64, binary and hexadecimal encodings CTFCrack MD5 hash. Steganography with steghide CTFHTB CA 2023. YAML deserialization attack CTFHTB CA 2023. PRNG with time-based seed. strstr bug CTFPython jail escape. globals CTFMorse code. Computer vision. ZIP files. Automation CTFBluetooth HID analysis. Decoding key strokes CTFMP3 audio spectrogram inspection. Steganography CTFHTB CA 2023. Python jail CTFpicoCTF 2021. 15 points. Connect to a remote instance. Decode ASCII CTFpicoCTF 2021. 5 points. Show the contents of a file CTFPath-finding. Breadth-first Search. Dijkstra’s algorithm CTFHTB CA 2024. Path-finding. Breadth-first Search. Dijkstra’s algorithm CTFImaginaryCTF 06/07/2022. 50 points. Python pickle CTFpickle internals. Python jail CTFLooking at the graph view of a binary CTFQR code scanning. Base64. ROT13 CTFJavaScript deobfuscation CTFSECCON CTF Quals 2023. Directory Traversal. Symbolic links. File descriptors CTFHTB CA 2023. Restricted Bash escape CTFHackOn CTF 2025. RSA. File write. Python library hijacking. Insecure deserialization in pickle CTFBeginner picoMini 2022. 100 points. Run Python script CTFZIP compression. BREACH / CRIME attacks. Known plain text attack CTFBeginner picoMini 2022. 100 points. Python script CTFStatic code analysis. Python sandbox escape CTFBalsn CTF 2023. Web3. Ethereum addresses and signatures CTFpicoCTF 2019. 100 points. Connect to a remote instance