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Silent Signal

@silentsignal

Professional Ethical Hacking Services https://blog.silentsignal.eu

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27.11.2024
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Latest posts by Silent Signal @silentsignal

Exploit development for IBM i Because we can!

Our newest blog post demonstrates once again that "attacks always get better, they never get worse" – and IBM i (AS/400) is no exception. Enjoy the next part of our journey along the trail of CVE-2023-30990: blog.silentsignal.eu/2025/09/04/E...

04.09.2025 11:47 πŸ‘ 1 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0
Rage Against the Authentication State Machine Because we can!

In our new blog post, we describe how we found an authentication bypass in Git hosting software Gitblit, what the root cause was, and what both attackers and developers can learn about the security impact of state machines.

blog.silentsignal.eu/2025/06/14/g...

29.08.2025 08:26 πŸ‘ 1 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0
Vulnerability Archeology: Stealing Passwords with IBM i Access Client Solutions Because we can!

In our new blog post we take a little journey from an IBM advisory to confirming a new hardening in Windows 11 24H2:

blog.silentsignal.eu/2025/01/21/i...

#redteam #windows #ibmi #ReverseEngineering

21.01.2025 12:22 πŸ‘ 3 πŸ” 2 πŸ’¬ 1 πŸ“Œ 0
Alice looking up the Caterpillar sitting on the top of a mushroom

Alice looking up the Caterpillar sitting on the top of a mushroom

We worked hard to collect our experiences in hiring pentesters for almost a decade! Here are our thoughts and the solutions for our (in)famous MushroomπŸ„ challenge.

This is the Story of a Pentester Recruitment 2025:

blog.silentsignal.eu/2025/01/14/p...

#pentest #hiring #hr

15.01.2025 09:12 πŸ‘ 4 πŸ” 2 πŸ’¬ 0 πŸ“Œ 0
Photo of Maryoshka dolls by Iza Gawrych

Source: https://unsplash.com/photos/a-group-of-blue-and-gold-vases-sitting-on-top-of-a-table-oL3O2PybLoo

Photo of Maryoshka dolls by Iza Gawrych Source: https://unsplash.com/photos/a-group-of-blue-and-gold-vases-sitting-on-top-of-a-table-oL3O2PybLoo

Santa brought a new blog post!

Handling Arbitrarily Nested Structures with #BurpSuite

blog.silentsignal.eu/2024/12/06/c...

06.12.2024 11:40 πŸ‘ 1 πŸ” 1 πŸ’¬ 0 πŸ“Œ 0

Hello Bluesky!

27.11.2024 07:59 πŸ‘ 1 πŸ” 1 πŸ’¬ 0 πŸ“Œ 0