New Android Flaw Affecting Over 1 Billion Phones Let Attackers Hijack Apps

Remember Strandhogg? A security vulnerability affecting Android that malicious apps can exploit to masquerade as any other app installed on a targeted device to display fake interfaces to the users, tricking them into giving away sensitive information. Late last year, at the time of its public...

Unpatched Strandhogg Android Vulnerability Actively Exploited in the Wild

Cybersecurity researchers have discovered a new unpatched vulnerability in the Android operating system that dozens of malicious mobile apps are already exploiting in the wild to steal users' banking and other login credentials and spy on their activities. Dubbed Strandhogg , the vulnerability...

Cerberus: A New Android 'Banking Malware For Rent' Emerges

After a few popular Android Trojans like Anubis, Red Alert 2.0, GM bot, and Exobot, quit their malware-as-a-service businesses, a new player has emerged on the Internet with similar capabilities to fill the gap, offering Android bot rental service to the masses. Dubbed "Cerberus," the new remote...

Feds Target $100M ‘GozNym’ Cybercrime Network

Law enforcement agencies in the United States and Europe today unsealed charges against 11 alleged members of the GozNym malware network, an international cybercriminal syndicate suspected of stealing $100 million from more than 41,000 victims with the help of a stealthy banking trojan by the sam...

Threat Roundup for March 29 to April 5

Today, Talos is publishing a glimpse into the most prevalent threats we've observed between March 29 and April 05. As with previous roundups, this post isn't meant to be an in-depth analysis. Instead, this post will summarize the threats we've observed by highlighting key behavioral...

Threat Roundup for March 15 to March 22

Today, Talos is publishing a glimpse into the most prevalent threats we've observed between March 15 and March 22. As with previous roundups, this post isn't meant to be an in-depth analysis. Instead, this post will summarize the threats we've observed by highlighting key behavioral...

GandCrab ransomware and Ursnif virus spreading via MS Word macros

Security researchers have discovered two separate malware campaigns, one of which is distributing the Ursnif data-stealing trojan and the GandCrab ransomware in the wild, whereas the second one is only infecting victims with Ursnif malware. Though both malware campaigns appear to be a work of two...

Cisco AMP tracks new campaign that delivers Ursnif

This blog post was authored by John Arneson of Cisco Talos Executive Summary Cisco Talos once again spotted the Ursnif malware in the wild. We tracked this information stealer after Cisco's Advanced Malware Protection AMP Exploit Prevention engine alerted us to these Ursnif infections. Thanks to...

GhostDNS: New DNS Changer Botnet Hijacked Over 100,000 Routers

Chinese cybersecurity researchers have uncovered a widespread, ongoing malware campaign that has already hijacked over 100,000 home routers and modified their DNS settings to hack users with malicious web pages—especially if they visit banking sites—and steal their login credentials. Dubbed...

Threat Roundup for July 20-27

Today, as we do every week, Talos is giving you a glimpse into the most prevalent threats we’ve observed this week — covering the dates between July 20 and 27. As with previous roundups, this post isn’t meant to be an in-depth analysis. Instead, we will summarize the threats we’ve observed by...

Year-Old Coldroot RAT Targets MacOS, Still Evades Detection

Researchers are warning users about the Coldroot remote access Trojan that is going undetected by AV engines and targets MacOS computers. The RAT is cross-platform and capable of planting a keylogger on MacOS systems prior to the OS High Sierra and is designed to steal banking credentials. Coldro...

Ursnif Banking Trojan Spreading In Japan

Attackers behind the pervasive banking Trojan Ursnif have made Japan one of their top targets, delivering the malware via spam campaigns that began last month. For years, Ursnif or Gozi has targeted Japan along with North America, Europe and Australia. But according to a recent IBM X-Force analys...

Threat Round-up for June 2 - June 9

Today, Talos is publishing a glimpse into the most prevalent threats we've observed between June 02 and June 09. As with previous round-ups, this post isn't meant to be an in-depth analysis. Instead, this post will summarize the threats we've observed by highlighting key behavior characteristics,...

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...

Feds Detail Shutdown of Cybercrime Forum Darkode

Officials worldwide this week culminated an 18-month effort to take down Darkode, a cybercrime forum where hackers fraternized, shared malware, credit card information and more. The campaign, dubbed Operation Shrouded Horizon, resulted in the arrest of 28 hackers and 27 house searches across 18...

Ramnit Botnet Shut Down

The Ramnit botnet, a favorite among thieves dabbling in financial fraud for its frequent updates, has been shut down in a joint effort spearheaded by Europol’s European Cybercrime Centre EC3. In a statement today, EC3 said investigators from across Europe, along with Microsoft, AnubisNetworks and...

New Emomet Variant Targets Banking, Email Credentials

Security researchers are tracking a new version of the Emomet malware that is targeting users’ banking credentials and also has the ability to steal email usernames and passwords, which are then used to send spam from compromised accounts. The new variant of Emomet has mostly been seen targeting...

New Variant of Emotet Banking Malware targets German Users

A new Spam email campaign making the rounds in Germany are delivering a new variant of a powerful banking malware, a financial threat designed to steal users’ online banking credentials, according to security researchers from Microsoft. The malware, identified as Emotet, was first spotted last Ju...

Israeli Think-Tank Site Serves Sweet Orange Exploit

Attackers have compromised the website of a prominent Israel-based, Middle East foreign policy-focused think tank, the Jerusalem Center for Public Affairs JCPA. On Friday, researchers from Cyphort reported that the site was serving the Sweet Orange exploit kit via drive-by download. At the time o...

Phishing Campaign Sending Dropbox Links to Zeus Downloads

With more enterprises sharing documents through Dropbox, the free online storage service is popping up in more spam and phishing scams. The latest doesn’t necessarily target data stored by individuals and companies on Dropbox, but instead preys on the trust users have in the service. Researchers ...