All posts by zLabs

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Author: zLabs

Posts by zLabs:

RAMpage: The Latest Rowhammer-esque Android Vulnerability

On June 28th, a group of eight academics across three different universities released a research paper outlining a new Android vulnerability called “RAMpage”.  It’s a variation of previous attacks that use the Rowhammer hardware vulnerability to run malicious code by changing what’s stored in a device’s memory (RAM) and has […]

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Threat Advisory: RedDrop

RedDrop is another in the long line of Android spyware apps. The malware has captured attention because of its ability to turn on microphones and exfiltrate sensitive data, but unfortunately that doesn’t make it unique. While there appears to be an elaborate network behind it, RedDrop is simply another Android […]

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Threat Advisory: Meltdown & Spectre

According to the team at Graz University of Technology that responsibly disclosed the new bugs, Meltdown and Spectre exploit critical vulnerabilities in modern processors. These hardware bugs allow programs to steal data which is currently processed on the computer. While programs are typically not permitted to read data from other […]

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Detecting DoubleLocker Ransomware

What is DoubleLocker? Security researchers at ESET discovered a new ransomware infecting Android phones called DoubleLocker. DoubleLocker is an exploit that encrypts data on the infected device and then changes the device PIN to a random number. Victims remain locked out of their device unless they pay a ransom to the hackers. DoubleLocker spreads […]

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Detecting KRACK Man in the Middle Attacks

What is KRACK? KRACK (Key Reinstallation attaCKs, KRACKs) is a serious weakness in the WPA2 protocol. WPA2 secures all modern protected Wi-Fi networks including those used by smartphones. Attackers within physical range of a Wi-Fi network can exploit protocol weaknesses by using key reinstallation attacks. The attack works against all […]

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Validating Machine Learning Detection of Mobile Malware with Zimperium’s z9

Zimperium’s core machine learning engine, z9, has a proven track record of detecting zero-day exploits. We recently announced an extension of the framework that detects previously unknown mobile malware. This extension is known as “z9 for Mobile Malware”, and was officially announced in September 2017. Internally, the code name has […]

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Fake Snapchat in Google Play Store

Zimperium discovered and reported a fake version of the popular Snapchat app in the official Google Play Store; At the time of our discovery, it was the second result when searching for “Snapchat”. The fake version of Snapchat app is using “Snap Inc .” as Company Name, with a  ” […]

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Threat Research: zTorg Trojan Variations

This Threat Research is about two variations of the zTorg mobile trojan recently discovered in Google Play by Kaspersky researcher, Roman Unucheck. In his blog post, Unucheck described the two variations as “Magic browser” and “Noise Detector”. According to Unucheck, “Magic browser” was uploaded to Google Play on May 15, 2017 and was […]

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