I’m zi0black, Security Researcher and Penetration Tester at Shielder. I love to turn IoT devices in expensive paperweights.
By zi0black & thezero
21/03/2022
Reversing embedded device bootloader (U-Boot) - p.2
In the course of these two articles, we will share an analysis of some aspects of reversing a low-level binary.
firmware ARM Binary Qiling Unicorn
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Min
08/03/2022
Reversing embedded device bootloader (U-Boot) - p.1
firmware ARM Binary Qiling
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By zi0black
02/11/2020
Re-discovering a JWT Authentication Bypass in ServiceStack
ServiceStack in version 5.9.2 almost silently patched a vulnerability which allowed to bypass JWT signature.
ServiceStack JWT Exploit BAC
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By thezero & zi0black
24/10/2019
Don’t open that XML: XXE to RCE in XML plugins for VS Code, Eclipse, Theia, …
The LSP4XML library used by many IDE and editors was affected by an XXE which lead to RCE exploitable by just opening an XML file.
RCE XXE Exploit Writeup
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