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MediumForensics

An Innocent Employee

13 Apr 2026

Points

+150

Statistics

0

Solutions

150

Points

AuthorAbdulloh Qurbonov

Description

lock UZ only

Attachments

An-Innocent-Employee.zip

Stages

0/7

1

XOR + zlib → BLOB

+10 points

Solve the previous stage first

2

AES-256-CBC PBKDF2

+10 pointsPrevious stage required

Solve the previous stage first

3

LSB stego (manual)

+10 pointsPrevious stage required

Solve the previous stage first

4

Interleaved bytes stride=8

+10 pointsPrevious stage required

Solve the previous stage first

5

zlib+hex "checksum"

+10 pointsPrevious stage required

Solve the previous stage first

6

SHA256-keyed XOR

+10 pointsPrevious stage required

Solve the previous stage first

7

ROT13 + reverse

+90 pointsPrevious stage required

Solve the previous stage first

Rating

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