We've recently noticed two significant changes in C2 tactics used by the threat actors behind BankBot Anubis, a mobile banking trojan. First is the use of Chinese characters to encode the C2 strings (in addition to base64 encoding). The second is the use of Telegram Messenger in addition to Twitter for communicating C2 URLs. Previously reported by PhishLabs , the criminals behind BankBot Anubis...

Since 2015 there has been a steady increase in threat actors' use of SSL certificates to add an air of legitimacy to malicious websites. By the end of 2017 almost a third of phishing sites had SSL certificates, meaning their URLs began with HTTPS:// and (most) browsers displayed the all-important padlock symbol. In recent months, however, our team has observed an even more dramatic increase in the...

In the Oscar-winning movie The Sting, Harry Gondorff (played by Paul Newman) explains to his apprentice Johnny Hooker (Robert Redford) that the con that they set up must be so convincing that their mark, Doyle Lonnegan (Robert Shaw) won't even realize that he's been taken. Today, Gondorff and Hooker might not have needed to use a past-posting scheme to con Lonnegan. Instead they might have used a...

On Friday, March 23, nine Iranian threat actors were indicted for stealing massive quantities of data from universities, businesses, and governments all over the world. If you've been following our blog (or the news ), you already know the actors are associated with an organization called the Mabna Institute, and are responsible for stealing more than 31 terabytes of data over the past four and a...

A newly observed variant of BankBot has been discovered masquerading as Adobe Flash Player, Avito, and an HD Video Player. This variant, now detected by PhishLabs as BankBot Anubis, was first identified on March 5, 2018. BankBot Anubis takes mobile threats to the next level incorporating ransomware, keylogger abilities, remote access trojan functions, SMS interception, call forwarding, and lock...

You receive an email, you are unfamiliar with the sender's name or email address, and they are offering you a new service or deal on something. Is it malicious? Not necessarily. Perhaps you forgot about signing up for a newsletter a while back. Malicious Versus Benign According to Symantec , 55.5 percent of business emails are considered spam emails, with the average business account getting about...

A Java-based Adwind Remote Access Trojan campaign has been observed sending spam emails containing a malicious JAR file under the guise of “Request For Quotation,” “Transfer Import,” “Swift Copy,” “Proforma Invoice,” “DHL Delivery Notification” and many others. Adwind, also known as jRAT and JSocket, is a cross-platform remote access tool designed to run on Mac OS, Windows, Linux, and Android...

All through October, in aid of National Cyber Security Awareness Month (#CyberAware) we’re putting phishing under the microscope. In each post we’ll take a close look at one specific type of phishing, including the actors responsible, who it targets, and how/why it works. Today, we’re a true phishing classic: Nigerian 419 scams. We've put the 15 best practices for spotting and handling Nigerian...

All through October, in aid of National Cyber Security Awareness Month (#CyberAware) we’re putting phishing under the microscope. In each post we’ll take a close look at one specific type of phishing, including the actors responsible, who it targets, and how/why it works. Today, we’re exploring one of the most audacious phishing tactics: Business email compromise (BEC) also known as CEO scams. We...

Compromised websites are an integral part of the cybercrime ecosystem. They are used by cybercriminals to host a wide range of malicious content, including phishing sites, exploit kits, redirects to other malicious sites, and other tools needed to carry out attacks. Why? One reason is because there is an abundance of insecure websites around the world that can be easily compromised. Another reason...

During a recent analysis of a business email compromise (BEC) scam, we observed a lure attempting to install the Olympic Vision Keylogger. Further research determined that this keylogger and the accompanying Olympic Vision Crypter were used in a larger campaign, targeting multiple organizations using a variety of different lures, including invoice lures and shipment confirmation lures. This...

We've all seen them before. The late prince Abdul has left us millions in inheritance and we need only provide a minor convenience fee to receive the funds. Advanced fee scams are nothing new and have been circulating the Internet since its inception. Until now, scammers have relied on email correspondence and convincing legal jargon to con victims out of their hard-earned dollars. Recently...

On Friday, the full source code of the Dendroid Remote Access Trojan (RAT) was leaked. Dendroid is a popular crimeware package that targets Android devices and is sold on underground forums for $300. Usually the source code for botnet control panels is encrypted, so it was surprising to find the full source code for the Dendroid control panel included in the leaked files. Analyzing the leaked code...

Phishing is a prevalent problem for businesses, particularly financial institutions. Over the years, many services have emerged to help organizations address phishing attacks that are targeting their customers' accounts. When seeking solutions, businesses find they have several options to choose from. These fall into three categories: Phishing takedown services Anti-phishing services Phishing...

Almost since the beginning of phishing, attackers have created simple webpages that redirect users to another URL that contains the actual phishing form. They do this for several reasons. In case their phishing site is shutdown, they can simply change the destination of the redirect to point to another phishing site. This means that everyone who receives an email with the redirector link and...