This behavioral pattern is used to let objects behave differently based on their current state.
Continue readingProxy (Design Pattern)
This structural pattern controls the access to a class. Looks similar to a decorator, but it instantiates the object by
Continue readingAdapter (Design Pattern)
This structural pattern translates one class interface into another. This is a class adapter, but there also exists an object
Continue readingSingleton (Design Pattern)
This creational pattern assures that just one object can get instantiated of that class.
Continue readingFactory (Design Pattern)
Concrete Factory … is a class that creates objects without exposing the instantiation logic. Abstract Factory … is a class
Continue readingHand grips (also No-Gi)
Basics Normal/C The hand grabs with the usage of the thumb. Monkey Like the normal grip, but without the thumb.
Continue readingUnwind the stack even if GDB can’t? (ARM)
Reason Since GCC 5.0 for ARM the default used ABI is AAPCS (Procedure Call Standard for the Arm 64-bit Architecture).
Continue readingTank application types
Bottom tank – Used at the deep part of the dive – Normally as backmount (back gas, primary gas) –
Continue readingRecovery Diving
Search pattern There are plenty of search pattern, but the following ones are the common ones. Arc (Signalman stays on
Continue readingShellcode injection via buffer overflow (x64)
Disclaimer – The application has to be vulnerable (e.g. gets, scanf, strcpy) for an overflow attack. – Modern compilers are
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