⚠ Switch to EXCALIDRAW VIEW in the MORE OPTIONS menu of this document. ⚠ You can decompress Drawing data with the command palette: ‘Decompress current Excalidraw file’. For more info check in plugin settings under ‘Saving’
Excalidraw Data
Text Elements
Plaintext = THM{…}
Key = ?
CipherText =
2d073b2c31482e1a39353c370216350d7b153c22382104642015030f3f140b3b0f67340b3739253c
(toHex)
SO basically first 8 bits represent THM{ , 2d 07 3b 2c. but w/ encryption it suppose to be, 54 48 4d 7b = “THM{” ,
Key = PlainText XOR CipherText
so i take 4 letters “THM{” and XOR with first 8 bits of cipher. and i got “yOvW” so that is the first 4 letters of the key
Flag is revealed now but not fully, its like 85%. we need to find the last key, we can bruetforce the last key char.
Embedded Files
124d059e298f5a5d8dea2ffebda4b8149b344972: Screenshot 2025-02-19 at 04.26.08.png