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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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ZPI: One approach to rule them all

In 1975, a book was published that changed the way we approach complex problems. Inspired on how nature works “Adaptation in Natural and Artificial Systems” set the bases of genetic algorithms. The release date of this blogpost is strongly linked to that book, it is a symbolic tribute to its […]

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Zero Packet Inspection

Introduction In this blogpost I describe the history of z9, our detection engine. I will show its performance over reference data sets commonly used in the machine learning community. I’ll then describe how we apply it to detect networks attacks without any type of packet inspection. Eventually, we encourage you to participate by helping […]

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zIPS and “Android for Work”

zIPS, the leading mobile threat defense solution, now provides tailored protection for Android for Work use cases. Enterprise IT and security professionals have been working with corporate end-users for decades to keep their desktops, laptops and servers secure. So you might think that those professionals would have a lock on […]

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NDAY-2017-0106: Elevation of Privilege in NVIDIA nvhost-vic driver

By: Zuk Avraham Follow Zuk Avraham (@ihackbanme) Nicolas Trippar Follow Nicolas Trippar (@ntrippar) zNID: NDAY-2017-0106 CVE: CVE-2016-2434 Type: Elevation of Privileges Platform: Android 6.0.1 Device type: Nexus 9 Zimperium protection: Detected the exploit without an update. Zimperium partners and customers do not need to take any action to detect this exploit on […]

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N-Days Exploits: NDAY-2017-0103 Arbitrary kernel write in sys_oabi_epoll_wait

By: Zuk Avraham Follow Zuk Avraham (@ihackbanme) Nicolas Trippar Follow Nicolas Trippar (@ntrippar) zNID: NDAY-2017-0103 CVE: CVE-2016-3857 Type: Elevation of Privileges Platform: Android < 6.0 Device type: Huawei MT7-UL00, Nexus 7 Zimperium protection: Detected the exploit without an update. Zimperium partners and customers do not need to take any action to detect […]

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Threat Research: FalseGuide

This Threat Research is about the recently (re)discovered “FalseGuide” threat found in Google Play. FalseGuide is a form of malware that has been hidden in more than 40 game guide apps in Google Play since February 2017. According to reports, approximately 600,000 devices may have been infected before the known […]

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NDAY-2017-0102: Elevation of Privilege Vulnerability in NVIDIA Video Driver

By: Zuk Avraham Follow Zuk Avraham (@ihackbanme) Nicolas Trippar Follow Nicolas Trippar (@ntrippar) Following our announcement on the N-Days Exploit Acquisition Program for smartphones, we are delighted to share the first couple of submissions. We received many submissions and we’re in the process of sharing them with ZHA followed by a public disclosure. […]

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NDAY-2017-0105: Elevation of Privilege Vulnerability in MSM Thermal Driver

By: Zuk Avraham Follow Zuk Avraham (@ihackbanme) Nicolas Trippar Follow Nicolas Trippar (@ntrippar) Following our announcement on the N-Days Exploit Acquisition Program for smartphones, we are delighted to share the first couple of submissions. We received many submissions and we’re in the process of sharing them with ZHA followed by a public disclosure. […]

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