Labs

Purple Fox EK   New CVEs Steganography And Virtualization Added To Attack Flow 7

Purple Fox EK | New CVEs, Steganography, and Virtualization Added to Attack Flow

New research shows that the Purple Fox exploit kit has added new tricks to its attack flow and continues to target vulnerable versions of Internet Explorer.

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Leveraging LD AUDIT To Beat The Traditional Linux Library Preloading Technique 4

Leveraging LD_AUDIT to Beat the Traditional Linux Library Preloading Technique

Abusing LD_PRELOAD to intercept library calls on Linux is a known threat actor technique, but it’s possible to load libaries even before that. Meet LD_AUDIT

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Moving From Manual RE Of UEFI Modules To Coverage Guided Fuzzing Of UEFI Firmware 3

Moving From Manual Reverse Engineering of UEFI Modules To Dynamic Emulation of UEFI Firmware

Learn how to emulate, trace, debug, and Reverse Engineer UEFI modules in part 2 of our new blog series on Firmware Security

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The FONIX RaaS   New Low Key Threat With Unnecessary Complexities 6

The FONIX RaaS | New Low-Key Threat with Unnecessary Complexities

FONIX RaaS uses four methods of encryption per file and leads victims (and affiliates) on a merry dance through multiple emails to obtain decryption.

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Scams Phishing And Malware   Cyber Attacks Leveraging The COVID 19 CoronaVirus Pandemic 1

Threat Intel | Cyber Attacks Leveraging the COVID-19/CoronaVirus Pandemic

At Sentinel Labs, we have been closely tracking adversarial behavior as it pertains to COVID-19/Coronavirus. To date, we have observed a significant number of malware campaigns, spam campaigns, and outright…

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Multi Platform SMAUG RaaS Aims To See Off Competitors 6

Multi-Platform SMAUG RaaS Aims To See Off Competitors

Raas (Ransomware-as-a-Service) continues to fuel the cybercrime economy. SMAUG offers Windows, Linux and macOS support among other unique features.

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Case Study  Why You Shouldn’t Trust NTDLL From Kernel Image Load Callbacks 2

Case Study: Why You Shouldn’t Trust NTDLL from Kernel Image Load Callbacks

Read how we discovered and exploited several severe flaws in a security product’s kernel mode driver due to a lack of user mode input validation.

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Case Study  Catching A Human Operated Maze Ransomware Attack In Action 1

Case Study: Catching a Human-Operated Maze Ransomware Attack In Action

Maze operators tailor attacks to the victim’s environment to evade detection. We show how they operate, and reveal a decoded HDA payload among other IOCs.

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Agent Tesla   Old RAT Uses New Tricks To Stay On Top 4

Agent Tesla | Old RAT Uses New Tricks to Stay on Top

Aside from Dridex, Agent Tesla is the most widely used malware currently targeting businesses. We review its core functionality and latest adaptations.

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Hacking Smart Devices For Fun Profit 3

Hacking Smart Devices for Fun and Profit

Presented at DEF CON 28 (2020), this is the story of how SentinelOne researcher Barak Sternberg found four IoT vulnerabilities in thousands of smart devices.

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