rgbCTF-2020

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14 July 2020

Quirky Resolution

by INXS_JOY

“:joy:”

Files

Solution

Fairly simple challenge. Use stegsolver on the image and go through various planes. The Red plane 0 gives a QR code. alt text Although I could easily scan the QR code, my teammates had issues scanning like some apps weren’t picking up on the QR or produced a different output on scanning. After properly scanning, we get this:

VfuflVAouacXoIOHsrNP
xgSDHLQSDBIO7fZ1w8zV
SUdwzyRJLKEHkqP2i0NK
h5fYSD1b3rymDWKkx9uw
fZELgZV2l0xllyyMADkw
voRu9GvHFy3qI7BK3yAL
EIUOvFKPbxcci6ExsXFv
G5YlE7Id9NELQ3NL5Kex
gaf6UQ77Q8aQkmjY6vzq
IF45ubpqdAZertRvfnER
XIj9b7ZGaep7Aspqvzhu
P6IhEFnLdlx0w5BSjo0A
L9ifDGyICNqaxNywIeAg
mxWg0h8XpHRN3Ai6P3aU
rgbCTF{th3_qu1rk!er_th3_b3tt3r}
VXPphIDrM0WagtZJYecY
PjXSHuJTAcLK9uUnGrCB
PW2MjAPE6KGe1iB8Hmqg
3WfKjbXOXXNVMj79F2UI
gzFHSU1HN9KAKhwPElOf
x9lL2wLHtee0KG90DFW9
OoO0YnJDU8Kfm7sFADjQ
XJ7FnxIARmTZ0WgGKeyS
AQEgDg8Sx1XBicDHfZ2i
OxvFwnTl9FKQTm1UikjK
aifFg3hc1gKLJWAjC5b4
q2SoVWnm95W2DNVGFtzf
cxaLH9lpesGwhehpv8YU
zO9W4DZM6uIlhCAyM1Hj

We can evidently see the flag between this junk.

Flag

rgbCTF{th3_qu1rk!er_th3_b3tt3r}
tags: Beginner