The Latest Android Overlay Malware Spreading via SMS Phishing in Europe

Introduction In April 2016, while investigating a Smishing campaign dubbed RuMMS that involved the targeting of Android users in Russia, we also noticed three similar Smishing campaigns reportedly spreading in Denmark February 2016, in Italy February 2016, and in both Denmark and Italy April 2016...

Necurs Botnet is Back, Updated Locky and Dridex

The notorious Necurs botnet is back in business, after mysteriously going dark for nearly a month. Researchers report the Necurs has returned to spewing massive volumes of email containing an improved version of the potent Locky ransomware and the Dridex banking Trojan. According to Proofpoint...

CM Ad Changer 1.7.7 WP Plugin - Cross Site Vulnerability

Document Title: =============== CM Ad Changer 1.7.7 WP Plugin - Cross Site Vulnerability References Source: ==================== http://www.vulnerability-lab.com/getcontent.php?id=1856 Release Date: ============= 2016-06-13 Vulnerability Laboratory ID VL-ID: ====================================...

Rotten Apples: Apple-like Malicious Phishing Domains

At FireEye Labs we have an automated system designed to proactively detect newly registered malicious domains. This system observed some phishing domains registered in the first quarter of 2016 that were designed to appear as legitimate Apple domains. These phony Apple domains were involved in...

Wekby APT Gang Seen Using DNS Tunneling for Command and Control

Palo Alto Networks is reporting a shift in malware tactics used by the APT group Wekby that has added a rare but effective new tool to its bag of tricks. The security firm reported on Tuesday that over the past week, Wekby attackers are turning to the technique known as DNS tunneling in lieu of...

Cerber Ransomware On The Rise, Fueled By Dridex Botnet

Starting in April security experts at FireEye spotted a massive uptick in Cerber ransomware attacks delivered via a rolling wave of spam. Researchers there link the Cerber outbreaks to the fact that attackers are now leveraging the same spam infrastructure credited for making the potent Dridex...

Locky Gets Clever!

As discussed in an earlier FireEye blog, we have seen Locky ransomware rise to fame in recent months. Locky is aggressively distributed via a JavaScript-based downloader sent as an attachment in spam emails, and may have overshadowed the Dridex banking Trojan as the top spam contributor. FireEye...

Phishing Frenzy - Ruby on Rails Phishing Framework

Phishing Frenzy is an Open Source Ruby on Rails application that is leveraged by penetration testers to manage email phishing campaigns. The project was started in 2013 by the founder Brandon "zeknox" McCann. Brandon identified inefficiencies in the way that many penetration testers were conducti...

Latest TeslaCrypt Targets New File Extensions, Invests Heavily in Evasion

TeslaCrypt, like many of its ransomware cousins, doesn’t sleep on past success. Researchers at Endgame Inc., have found two updates for the cryptoransomware in the past two weeks that invest heavily in obfuscation and evasion techniques, and also target a host of new file extensions. These sample...

Petya Ransomware Master File Table Encryption

First ransomware locked your desktop. Then it encrypted your files. Not long after, webservers, shared drives and backups were targeted. Now? Introducing Petya, ransomware that targets the Master Boot Record. Spotted in email campaigns sent to human resources offices in German companies, the...

PowerWare Ransomware Uses PowerShell for Fileless Infections

Attackers are not through testing the limits of what they can do with new features in ransomware samples. That latest found in the wild is called PowerWare and it was discovered a week ago targeting a company in the healthcare industry, researchers at Carbon Black told Threatpost. What sets...

Surge in Spam Campaign Delivering Locky Ransomware Downloaders

FireEye Labs is detecting a significant spike in Locky ransomware downloaders due to a pair of concurrent email spam campaigns impacting users in over 50 countries. Some of the top affected countries are depicted in Figure 1. Figure 1. Affected countries As seen in Figure 2, the steep spike start...

Stop Scanning My Macro

FireEye Labs detected an interesting evasion strategy in two recent, large Dridex campaigns. These campaigns changed the attachment file-type and location of malicious logic in an attempt to avoid scanners. Overview Both campaigns used an invoice theme and came from a wide variety of sending...

Stop Scanning My Macro

FireEye Labs detected an interesting evasion strategy in two recent, large Dridex campaigns. These campaigns changed the attachment file-type and location of malicious logic in an attempt to avoid scanners. Overview Both campaigns used an invoice theme and came from a wide variety of sending...

Proofpoint Warns Of New MSIL/Crimson Tied To Cyber Espionage

Diplomats and military personnel in India have been victimized in targeted espionage attacks that use a number of means of infection including phishing and watering hole sites. Researchers at Proofpoint this week published a report on Operation Transparent Tribe, which was ongoing as of Feb. 11...

Gophish - Open-Source Phishing Toolkit

Gophish is an open-source phishing toolkit designed for businesses and penetration testers. It provides the ability to quickly and easily setup and execute phishing engagements and security awareness training. One-Click Installation Download and Extract the ZIP - Gophish binaries are provided for...

Dridex Botnet Resumes Spam Operations After the Holidays

FireEye Labs observed that Dridex operators were active during the holiday season. However, during the post-Christmas and New Year weeks, we observed a slowdown in their spam campaigns. Interestingly, their breaks were short. Over the past few weeks they have resumed operations and are building...

Dridex Adopting Dyre Tactics, Targeting U.K. Banks

Attackers behind the Dridex Trojan have narrowed their sights on banks based in the United Kingdom frequented by high-value business accounts, researchers claim. When a new version of the Trojan was released two weeks ago, it was promptly followed by a series of infection campaigns that focused o...

LATENTBOT: Trace Me If You Can

FireEye Labs recently uncovered LATENTBOT, a new, highly obfuscated BOT that has been in the wild since mid-2013. It has managed to leave hardly any traces on the Internet, is capable of watching its victims without ever being noticed, and can even corrupt a hard disk, thus making a PC useless...

LATENTBOT: Trace Me If You Can

FireEye Labs recently uncovered LATENTBOT, a new, highly obfuscated BOT that has been in the wild since mid-2013. It has managed to leave hardly any traces on the Internet, is capable of watching its victims without ever being noticed, and can even corrupt a hard disk, thus making a PC useless...