Gotham Security Daily Threat Alerts

By Nancy Rand
Posted in Security
On May 31, 2016

May 26, SecurityWeek – (International) Angler EK malvertising campaign abuses recent Flash zero-day. Security researchers from Malwarebytes reported that a previously patched zero-day flaw in Adobe Flash Player was being exploited in a new malvertising campaign targeting ad networks through a conditional malicious code which redirects users to the Angler exploit kit (EK) after executing fingerprinting checks. Attackers exploit the vulnerability via specially crafted Microsoft Office documents. Source

May 26, Softpedia – (International) Windows trojan uses TeamViewer to turn your PC into a web proxy. Security researchers from Dr. Web and Yandex reported that the backdoor trojan dubbed, BackDoor.TeamViewer.49 was using a malware dropper called Trojan.MulDrop6.39120 and a malicious Adobe Flash Player update package to secretly distribute the TeamViewer trojan. Once the TeamViewer trojan is installed, the trojan connects via an encrypted channel to the attackers’ command and control (C&C) server, where it relays Web traffic to other servers on the Internet and uses the affected device as a proxy server. Source

May 26, SecurityWeek – (International) “SandJacking” attack allows hackers to install evil iOS apps. A security researcher from Mi3 Security discovered that attackers could exploit a new Apple feature, which allows developers to create mobile operating system (iOS) apps using certificates easily obtained by providing an Apple ID, to quickly replace a legitimate app on an iOS device with a rogue version that contains malicious capabilities to give attackers complete control and access to the application. The security researcher released a proof-of-concept (PoC) titled, “Su-A-Cyder” that can replace legitimate apps for malicious apps when the targeted phone is connected to a computer. Source

May 26, SecurityWeek – (Texas) PayPal settles with Texas over Venmo app security claims. The State of Texas and PayPal entered into an Assurance of Voluntary Complance agreement May 26 after Venmo, a company acquired by PayPal, violated the Texas Deceptive Trade Practices – Consumer Protection Act by allegedly providing confusing and deficient privacy and security disclosures, and failing to provide clarification over access to the user’s contact list. PayPal agreed make “behavioral” changes regarding interactions between Venmo and its users. Source

Reprinted from the USDHS Daily Open Source Infrastructure Report

Nancy Rand

Nancy Rand

Nancy has more than 20 years’ experience in information technology and security, solving business issues and implementing best-practice solutions that support organizational objectives. Her expertise includes leveraging, optimizing, and implementing diverse technology platforms, and management of large-scale technology projects.