MetaRed CTF 2021: Stego – Friends / Writeup

Ulli Weichert/ November 18, 2021/ IT-Security, Write-Ups/ 0Kommentare

Friends Bielsa: ‚Everything is allowed, except stop fighting‘ Given was this image: Todos Like always – I check strings and exiftools and the file itself! But no command give us something. $ ~ # file messi.jpg messi.jpg: JPEG image data, JFIF standard 1.01, aspect ratio, density 1×1, segment length 16, baseline, precision 8, 720×628, components 3 exiftool messi.jpg > messi.jpg_exifdata

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DEADFACE CTF 2021: Exploitation3 – Password Insecurities / Writeup

Ulli Weichert/ Oktober 18, 2021/ IT-Security, Write-Ups/ 0Kommentare

Password Insecurities Points 50 Description It looks like DEADFACE is going after the password of one of De Monne’s customers: Haily Poutress. She has since changed her password, but De Monne is looking for ways to improve password requirements. De Monne would like you to crack the password from the database leak to determine if Haily’s password was secure enough.

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DEADFACE CTF 2021: Forensics7 – Blood Bash 4 / Writeup

Ulli Weichert/ Oktober 18, 2021/ IT-Security, Write-Ups/ 0Kommentare

Blood Bash 4 Points 200 Description A sensitive file from De Monne was exfiltrated by mort1cia. It contains data relating to a new web portal they’re creating for their consumers. Read the contents of the file and return the flag as flag{flag_goes_here}. Username: bl0ody_mary Password: d34df4c3 bloodbash.deadface.io:22 Get the flag We find a sus file in the homedirectory of the

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DEADFACE CTF 2021: SQL5 – Boom / Writeup

Ulli Weichert/ Oktober 18, 2021/ IT-Security, Write-Ups/ 0Kommentare

Boom Point 100 Description DEADFACE actors will be targeting customers they consider low-hanging fruit. Check out Ghost Town and see who they are targeting. Submit the number of target candidates as the flag: flag{#} Use the MySQL database dump from Body Count. Hint Link to discussion DEADFACE Member https://ghosttown.deadface.io/t/who-are-we-hitting-first/60/10 Getting the flag They are targeting boomer generation (1946-1964) Now lets

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DEADFACE CTF 2021: SQL2 – Keys / Writeup

Ulli Weichert/ Oktober 18, 2021/ IT-Security, Write-Ups/ 0Kommentare

Keys Points 20 Description One of De Monne’s database engineers is having issues rebuilding the production database. He wants to know the name of one of the foreign keys on the loans database table. Submit one foreign key name as the flag: flag{foreign-key-name} (can be ANY foreign key). Use the MySQL database dump from Body Count. Getting the flag Just

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Mal eben Passwörter erstellen und teilen! Sicher!

Ulli Weichert/ September 23, 2021/ Allgemein/ 0Kommentare

Umgang mit Passwörtern im Allgemeinen Passwörter, ein notwendiges Übel und häufig der einzige Schutz vor dem Zugriff auf die eigene Identität (facebook) oder andere Services. Nun kommt es aber vor, dass wir Administratoren mal Passwörter und Benutzernamen austauschen müssen. Häufig auch für mehrere Benutzer. Weiter muss man sich dann noch die Frage stellen, wie man die Passwörter und Benutzernamen sicher

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