Tag HP

InfoSec Week 49, 2017

The "Janus" Android vulnerability (CVE-2017-13156) allows attackers to modify the code in applications without affecting their signatures. The root of the problem is that a file can be a valid APK file and a valid DEX file at the same time. The vulnerability allows attackers to inject malware into legitimate application and avoiding detection.

According to the research by Hanno Böck, Juraj Somorovsky and Craig Young, the Bleichenbacher’s attack on RSA PKCS#1v1.5 encryption still works on almost 3% of the Alexa top million most visited websites. The researchers were even able to sign a message using Facebook’s private TLS key. Vendors like Citrix, F5, Cisco, and multiple SSL implementations are affected.

HP had a keylogger in the Touchpad driver, which was disabled by default, but could be enabled by setting a registry value.

There is a remote root code execution flaw (CVE-2017-15944) in the Palo Alto Networks firewalls.

Researchers from the Group-IB spotted the operations of a Russian-speaking MoneyTaker group that stole as much as $10 million from US and Russian banks.

Recorded Future analyzed costs of various cybercriminal services sold on the dark market.

Internet traffic for organizations such as Google, Apple, Facebook, Microsoft, Twitch were briefly rerouted to Russia.

Microsoft started rolling out an update for Malware Protection Engine to fix a remotely exploitable bug discovered by the British intelligence agency.

Avast open-sources RetDec machine-code decompiler for platform-independent analysis of executable files. It's based on LLVM.

Wireless network sniffer Kismet now supports the DJI DroneID UAV telemetry extensions.

Wazuh - Wazuh helps you to gain deeper security visibility into your infrastructure by monitoring hosts at an operating system and application level.
It supports log management and analysis, integrity monitoring, anomaly detection and compliance monitoring.

Wifiphisher is an automated victim-customized phishing attacks against Wi-Fi clients.

InfoSec Week 19, 2017

You have probably heard about the WannaCry/WannaCrypt/WannaWhatever worm spreading ransomware, because of the sensation created by parties profiting from the scare tactics. But also because it is using really good spreading technique - exploiting MS17-010 SMB vulnerability leaked from the NSA.
Some post-mortem analysis of the first version (with the killswich) and TheShadowBrokers blog are listed below. Crypto is working, so no trivial decrypter is probable, except if the keys are published.
https://gist.github.com/rain-1/989428fa5504f378b993ee6efbc0b168 https://steemit.com/shadowbrokers/@theshadowbrokers/oh-lordy-comey-wanna-cry-edition

Nice analysis of a P2P botnet. The researchers determined the botnet size by injecting fake nodes to the network, as well as using crawling. http://securityaffairs.co/wordpress/58931/malware/p2p-transient-rakos-botnet.html

Fatboy Ransomware-as-a-Service is using The Economist’s Big Mac Index to calculate the ransom amount.

Tor hidden service operator is analysing bots used to enumerates and attack hidden services.

Google Project Zero post about the process of discovering CVE-2017-7308 vulnerability. Found by fuzzing, with the later exploitation to escalate privileges.
https://googleprojectzero.blogspot.ch/2017/05/exploiting-linux-kernel-via-packet.html https://github.com/xairy/kernel-exploits/tree/master/CVE-2017-7308

Wikileakes released "AfterMidnight" and "Assassin " malware frameworks designed, two CIA malware frameworks for the Microsoft Windows platform. Those services allow operators to dynamically load and execute malware payloads on a target machine & exfiltrate the data.

A Security researcher Thorsten Schroeder discovered that an audio driver shipped on dozens HP laptops and tablet PCs logs keystrokes. It's actually a badly written application outputting pressed keystrokes to the debug output, so everyone is able to list them using MapViewOfFile function.

malwaresearch - A command line tool to find malware samples on the openmalware.org. It's possible to use the various hashes or common name.