Sebastian's Blog

software developer. security enthusiast.

HACKVent 2019

HV19.01 censored

Sebastian

I got this little image, but it looks like the best part got censored on the way. Even the tiny preview icon looks clearer than this! Maybe they missed something that would let you restore the original content?

Challenge Description
Censored by Santa!

“Even the tiny preview icon looks clearer” – Googled for exif viewer, got http://exif.regex.info/exif.cgi and uploaded the image. The tool shows that the exif data contains a preview image:

This was clear enough to scan. The flag is HV19{just-4-PREview!}.

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