AppRiver Blog

Recent Posts by David Pickett

Spy MAX Android RAT Targets Luxury Business Sector

On June 4, 2019, AppRiver's Advanced Email Security filter began to quarantine low volume waves of highly targeted attacks directed toward businesses who operate in the luxury services sector.

Examples of these businesses include yacht brokers, executive housekeeping and staffing providers, and some that offer various...

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THREAT ALERT - Malware Being Hosted On Azure

    

THREAT ALERT - AZURE CURRENTLY HOSTING MALWARE

On Sept. 7, 2018, we first detailed how malicious attackers abused Azure's Custom Domain Name registrations to host credential phishing sites. On April 29, 2019, we released information on how compromised user data was exposed from attacks originating from phishing...

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Business Email Compromise Attacks via Name Impersonation

   

Name impersonation attacks have exploded in popularity over the past few years. They cost malicious actors little time, infrastructure, or sophistication. The FBI's Internet Crime Complaint Center recently reported over 900 complaints a day in 2018 and $2.7 billion in American losses alone.

It's extremely simple...

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Microsoft Azure Customized Domain Name Phishing Attacks - Compromised Users and Geolocation Data Exposed

THREAT ALERT UPDATE: Cybercrooks Abusing Azure Custom Domain Name Feature

On Sept. 7, 2018, we detailed how malicious attackers abuse Microsoft Azure's Custom Domain Name registrations to host credential phishing sites.

This type of "living-off-the-land" attack utilizes phishing sites which reside on Microsoft's web...

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Phorphiex/Trik Botnet Campaign Leads to Multiple Infections - Ransomware, Banking Trojan, & CryptoJacking

Malware Campaign Packs a Strong Payload Punch

There are few botnets with the capability to send tremendous volumes and pack an infection chain as malicious as what our filters have caught from the Phorphiex Worm/Trik botnet this year.

For 2019, the Mealybug threat group has garnered the most media attention with Emotet...

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Dream Market - Top Dark Web Marketplace Shutting Down

Dream Market Shutting Down

Come April 30, 2019, one of the Dark Web's top marketplaces will go dark according to a message on the site. But reasons behind the site's shuttering are the subject of speculation.

The Dark Web marketplace, which opened in 2013, has grown into one of the largest and most popular Dark Web...

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Phishing Threatens Deadly Viruses

A new phishing campaign caught our attention recently due to the unique wording and varying tactics it uses in this "Security Alert." It threatens that the recipient's mailbox is infected with 3 deadly viruses and will shutdown if the warning is ignored.

Let's take a quick look at this credential-harvesting attack.

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Email Bombs Disguise Fraud - Distributed Spam Distraction

Email Bombs Continue to Disguise Fraud

Email bombs are a type of Denial of Service (DoS) attack. Victims face an uncontrollable deluge of messages quickly filling up their inbox when the attack begins. With enough volume, the attack renders the victims mailbox useless. Victims struggle to make sense why a sudden...

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Sextortion vs Bombtortion Hoaxes

Sextortion vs Bombtortion

On Dec. 13, bomb-threat hoaxes via email sparked law enforcement agencies around the world to chase down nonexistent devices. Many researchers and media outlets were quick in observing the similarity the bomb threats shared with sextortion campaignsWhile the sextortion threats have been going...

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New Sextortion Campaign - Caught you cheating!

Today's Sextortion Message - Caught Cheating

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