Find the flag that has been going viral all over Facebook.
- Flag Format: /flag{.+}/
Provided media Provided media2 – Easier
Solution
We try to inspect the file to see what it is.
$ file media
media: ASCII text, with very long lines, with CR, LF line terminators, with escape sequences, with overstriking
So that makes this file interesting. This has escape sequences, and over striking, which means that it should be interesting to cat.
$ cat media
flag{e}
So we have a trash dove printed on the screen, and then the ascii art fades off.
We now need a text editor. Vim is best.
So there seem to a few text entries scattered in the file. Let us get all of them out.
$ grep -o flag\{.\} media
flag{t}
flag{r}
flag{a}
flag{s}
flag{h}
flag{ }
flag{d}
flag{o}
flag{v}
flag{e}
media2, which makes things easier is just media concatinated with itself a few times.
$ grep -o flag\{.\} media2
flag{t}
flag{r}
flag{a}
flag{s}
flag{h}
flag{ }
flag{d}
flag{o}
flag{v}
flag{e}
flag{t}
flag{r}
flag{a}
flag{s}
flag{h}
flag{ }
flag{d}
flag{o}
flag{v}
flag{e}
flag{t}
flag{r}
flag{a}
flag{s}
flag{h}
flag{ }
flag{d}
flag{o}
flag{v}
flag{e}
flag{t}
flag{r}
flag{a}
flag{s}
flag{h}
flag{ }
flag{d}
flag{o}
flag{v}
flag{e}
flag{t}
flag{r}
flag{a}
flag{s}
flag{h}
flag{ }
flag{d}
flag{o}
flag{v}
flag{e}
flag{t}
flag{r}
flag{a}
flag{s}
flag{h}
flag{ }
flag{d}
flag{o}
flag{v}
flag{e}
flag{t}
flag{r}
flag{a}
flag{s}
flag{h}
flag{ }
flag{d}
flag{o}
flag{v}
flag{e}
flag{t}
flag{r}
flag{a}
flag{s}
flag{h}
flag{ }
flag{d}
flag{o}
flag{v}
flag{e}
flag{t}
flag{r}
flag{a}
flag{s}
flag{h}
flag{ }
flag{d}
flag{o}
flag{v}
flag{e}
flag{t}
flag{r}
flag{a}
flag{s}
flag{h}
flag{ }
flag{d}
flag{o}
flag{v}
flag{e}
flag{t}
flag{r}
flag{a}
flag{s}
flag{h}
flag{ }
flag{d}
flag{o}
flag{v}
flag{e}
flag{t}
flag{r}
flag{a}
flag{s}
flag{h}
flag{ }
flag{d}
flag{o}
flag{v}
flag{e}
flag{t}
flag{r}
flag{a}
flag{s}
flag{h}
flag{ }
flag{d}
flag{o}
flag{v}
flag{e}
flag{t}
flag{r}
flag{a}
flag{s}
flag{h}
flag{ }
flag{d}
flag{o}
flag{v}
flag{e}
flag{t}
flag{r}
flag{a}
flag{s}
flag{h}
flag{ }
flag{d}
flag{o}
flag{v}
flag{e}
flag{t}
flag{r}
flag{a}
flag{s}
flag{h}
flag{ }
flag{d}
flag{o}
flag{v}
flag{e}
flag{t}
flag{r}
flag{a}
flag{s}
flag{h}
flag{ }
flag{d}
flag{o}
flag{v}
flag{e}
flag{t}
flag{r}
flag{a}
flag{s}
flag{h}
flag{ }
flag{d}
flag{o}
flag{v}
flag{e}
flag{t}
flag{r}
flag{a}
flag{s}
flag{h}
flag{ }
flag{d}
flag{o}
flag{v}
flag{e}
flag{t}
flag{r}
flag{a}
flag{s}
flag{h}
flag{ }
flag{d}
flag{o}
flag{v}
flag{e}
flag{t}
flag{r}
flag{a}
flag{s}
flag{h}
flag{ }
flag{d}
flag{o}
flag{v}
flag{e}
Flag
trash dove
Recommended Reading
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#bitmap #ctf #stegnoHere is a tiny file that you might find fun to do while cramming other forms of knowledge in your head. :D
All the best for your exams.
- Flag Format: /flag{.+}/
Provided text.bmp
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