It is a shellcode loader that uses encryption to get around AV solutions such as Windows Defender. > The tool is composed of a generator (Shellcodeloader.exe) and numerous loader templates. There are ...

I'd like to thank my co-author, Martin Zugec, for his valuable contributions to this report. This intrusion adds three dimensions to the public understanding of Chinese APT activity in contested ...

Abstract: With the expansion of attacks, computer security has become a primary focus in protecting users’ privacy. When attacking a system, attackers must keep their remote shell active to perform ...

Hackers are impersonating IT staff in Microsoft Teams to trick employees into installing malware, giving attackers stealthy access to corporate networks. Microsoft Teams impersonation and social ...

IntroductionIn December 2025, Zscaler ThreatLabz discovered a campaign linked to APT37 (also known as ScarCruft, Ruby Sleet, and Velvet Chollima), which is a DPRK-backed threat group. In this campaign ...

A fake CAPTCHA scam is tricking Windows users into running PowerShell commands that install StealC malware and steal passwords, crypto wallets, and more. A new social engineering campaign is abusing ...

A China-linked threat actor known as Lotus Blossom has been attributed with medium confidence to the recently discovered compromise of the infrastructure hosting Notepad++. The attack enabled the ...

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Abstract: An important method to detect intrusion is to identify attack codes such as shellcode. However, the popular simulation methods seriously slow down the efficiency, while static detection ...

For years, the Middle East has maintained its reputation as a fertile ground for advanced persistent threats (APTs). In the midst of routine monitoring of suspicious activities on the systems of ...