This one is just a Caesar cipher

flag: rgbCTF{a_chicken_caesar_salad}

binary > hex > octal > base64

Flag: rgbCTF{c0ngr4ts_0n_b3ing_B4SIC}

Each character is divided by two, if it evenly divides | is used, else /.

I just had to multiply each ascii value by two, then add 1 accordingly.

rgbCTF{restinpieces}

Chuck it into https://incoherency.co.uk/image-steganography/#unhide

We then get an image revealed which contained the flag inside.

Flag: rgbCTF{3zier_4haN_s4n1ty}

Again, chuck it into same link which gets you a load of qr codes in one image Open it in an online qr code reader Load of noise, but one pops out

Flag: rgbCTF{th3_qu1rk!er_th3_b3tt3r}

volatility image, use hashdump

Use crackstation to crack them, then cyberchef to hash them

rgbCTF{cf271c074989f6073af976de00098fc4}

just use this online tool: Its a substitution cipher

flag: rgbCTF{a_fine_affine_cipher}