By using Strings and Grep, you can quickly reveal the flag.

```
root@kali:~/Downloads# strings hackermeme.jpg | grep flag
<rdf:li>flag{N0t_7h3_4cTuaL_Cr3At0r}</rdf:li>
```

References:
https://linux.die.net/man/1/strings
https://linux.die.net/man/1/grep