Лисичка (Fox)

hackerlab

Task: PNG image with hidden data not found by standard LSB tools. Solution: Extracted bit 2 of the green channel to reveal the flag as white text on black background.

steganography image_analysis png pillow numpy bit_plane green_channel non_lsb

Bit plane analysis beyond LSB (bit 0)Color channel separation and analysisHigher bit plane extraction (bit 2)

$ ls tags/ techniques/

steganography image_analysis png pillow numpy bit_plane green_channel non_lsb

Bit plane analysis beyond LSB (bit 0)Color channel separation and analysisHigher bit plane extraction (bit 2)

Analysis

Lorem ipsum dolor sit amet, consectetur adipiscing elit. Sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat.

$ python3 exploit.py --target 192.168.1.1 --port 8080
[*] Connecting to target...
[+] Shell obtained!

Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum.

Permission denied (requires tier.pro)

Sign in to access full writeups

$sign in

$ grep --similar

Similar writeups

[stego][Pro]Standoff 12 Team Photo— hackerlab
[stego][Pro]Капибара— duckerz
[stego][Pro]Sherlock— hackerlab
[stego][Pro]Pixelcat— taipanbyte
[stego][Pro]Наименее значимый мем— duckerz