@cryptax – Medium

@cryptax

Cracking my own CrackMe with r2ai

Recently, I viewed the excellent “Cracking binaries with r2ai visual mode” by Daniel Nakov, at r2con 2024. In September 2024, I had tried…

5d ago

Cracking my own CrackMe with r2ai

5d ago

Creating inefficient IT, or hiding our own inefficiency behind IT

We, humans, normally have brains, and a heart, and we should use them more.

Oct 16, 2024

Oct 16, 2024

The Next Generation Conference Format

I have now been attending conference for … hum … several decades and I believe the traditional format of 30, 40 or 50-minute talks should…

Oct 4, 2024

Oct 4, 2024

Arguments descriptor arrays in Dart

While reading Dart assembly, you may have noticed lines such as the following:

Sep 19, 2024

Sep 19, 2024

Using AI-assisted decompilation of Radare2

A few months ago, Radare2 (aka r2), an open source disassembler which can be entirely used by command line, started implementing AI plugins…

Sep 17, 2024

Using AI-assisted decompilation of Radare2

Sep 17, 2024

Dart shifts to standard calling convention

Up until Dart SDK v3.4.0, Dart was using an uncommon calling convention where all arguments for a function were passed on the stack [see my…

Jul 19, 2024

Dart shifts to standard calling convention

Jul 19, 2024

Untangling Android/TangleBot

We dig in a malicious sample of Android/TangleBot of May 2024. TangleBot is also reported as a BankBot, although it is more an Android RAT…

Jul 12, 2024

Untangling Android/TangleBot

Jul 12, 2024

On the security of Google Secrets

Google Secrets Gradle plugin is “for providing your secrets securely to your Android project”. I would like to make it clear in this…

Jul 11, 2024

On the security of Google Secrets

Jul 11, 2024

Inside Sinchat Flutter riskware

In this blog post, we analyze 2 borderline Flutter apps. As I’ll explain in conclusion, they are not malicious but expose borderline/risky…

May 24, 2024

Inside Sinchat Flutter riskware

May 24, 2024

Testing Restricted Settings of Android 13 on an emulator

Android 13 introduced a new security measure called “Restricted Settings”. The measure is meant to limit access to notification settings…

Apr 4, 2024

Testing Restricted Settings of Android 13 on an emulator

Apr 4, 2024

@cryptax

@cryptax

Mobile and IoT malware researcher. The postings on this account are solely my own opinion and do not represent my employer.

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