# Forensics
## Gradient sky```Gradient sky is a begginer level ctf challenge which is aimed towards rookies.
File: sky.jpg```
```$ strings sky.jpg[...]csictf{j0ker_w4snt_happy}```
The flag is: `csictf{j0ker_w4snt_happy}`
## Archenemy```John likes Arch Linux. What is he hiding?
File: arched.png```
We can exctract a file from `arched.png` with steghide and an empty passphrase:```$ steghide extract -sf arched.png Enter passphrase:wrote extracted data to "flag.zip".```
`flag.zip` is an archive protected by a password, we try to crack it:
```$ zipCracker/zipcracker.py -f flag.zip -w /usr/share/wordlists/rockyou.txt     3638 / 14344394 |   0.00% -> masones1lndg456ce
Password cracked: kathmandu
Took 2.379971 seconds to crack the password. That is, 1529 attempts per second.```
Then, file `meme.jpg` is extracted and we can read the flag on it.
The flag is: `csictf{1_h0pe_y0u_don't_s33_m3_here}`