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Cyber Criminals using Coronavirus Fears to Spread Information-Stealing Malware
Cyber criminals have been leveraging trending cultural and viral news items that drive interest from millions of individuals as mechanisms to target and distribute malware easily and effectively. In the past, cyber criminals have used topics including international sports championships, celebrity...
Mokes and Buerak distributed under the guise of security certificates
The technique of distributing malware under the guise of legitimate software updates is not new. As a rule, cybercriminals invite potential victims to install a new version of a browser or Adobe Flash Player. However, we recently discovered a new approach to this well-known method: visitors to...
As Necurs Botnet Falls from Grace, Emotet Rises
A mid-January spam campaign by criminals behind the popular Necurs botnet shows a dramatic drop in skill and savvy by perpetrators. In a shift from sending sophisticated messages with lethal payloads, Necurs botnets are now peddling get-rich-quick spam messages in what researchers are calling...
Stripo Inc: subdomain takeover at status-stage0.stripo.email
The subdomain status-stage0.stripo.email was pointed at uptimerobot.com whereas it was not being used , but having Cname record as stats.uptimerobot.com . Hence anyone can takeover it. I have parked it with an account on uptimerobot.com note : this issue is similar to report but with another...
Threat Roundup for January 10 to January 17
Today, Talos is publishing a glimpse into the most prevalent threats we've observed between Jan. 10 and Jan. 17. 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 characteristics...
Ransomware response—to pay or not to pay?
The increased connectivity of computers and the growth of Bring Your Own Device BYOD in most organizations is making the distribution of malicious software malware easier. Unlike other types of malicious programs that may usually go undetected for a longer period, a ransomware attack is usually...
Facebook Sued Hong Kong Firm for Hacking Users and Ad Fraud Scheme
Following its efforts to take legal action against those misusing its social media platform, Facebook has now filed a new lawsuit against a Hong Kong-based advertising company and two Chinese individuals for allegedly abusing its ad platform to distribute malware and Ad fraud. Facebook filed the...
Black Friday Shoppers Targeted By Scams and Fake Domains
Black Friday and Cyber Monday-related scams are nothing new — but researchers warn that this year, they are seeing an uptick in scams using more sophisticated methods to lure users to hand over their payment data. Research released Tuesday by ZeroFOX uncovered some of the threats that attackers a...
A week in security (November 11 – 17)
Last week on Malwarebytes Labs, we offered statistics and information on a sneaky new Trojan malware for Android, inspected a bevy of current Facebook scams, and explained the importance of securing food and agriculture infrastructure. We also released our latest report on cybercrime tactics and...
Orcus RAT Author Charged in Malware Scheme
In July 2016, KrebsOnSecurity published a story identifying a Toronto man as the author of the Orcus RAT, a software product that’s been marketed on underground forums and used in countless malware attacks since its creation in 2015. This week, Canadian authorities criminally charged him with...
Trump, Putin and Politics Name-Dropped to Peddle Malware
With the U.S. presidential elections looming, bad actors are tapping into the political craze with several malware distribution campaigns, using high-profile political names to tap into victims’ emotions and convince them to click on malicious links. Researchers have uncovered hundreds of...
How adversaries use politics for compromise
By Nick Biasini and Edmund Brumaghin. Executive Summary With the U.S. presidential primaries just around the corner, even malware authors can't help but get behind the frenzy. Cisco Talos recently discovered several malware distribution campaigns where the adversaries were utilizing the names and...
PsiXBot Adds PornModule, Google DNS Service to Its Arsenal
The PsiXBot malware has made a few changes in recent weeks, including implementing Google’s DNS over HTTPS DoH and adding the blackmail-ready “PornModule” to its bag of tricks. PsiXBot is a multi-use Windows malware that has a range of capabilities, including keylogging, stealing passwords and...
RAT Ratatouille: Backdooring PCs with leaked RATs
By Edmund Brumaghin and Holger Unterbrink. Executive summary Orcus RAT and RevengeRAT are two of the most popular remote access trojans RATs in use across the threat landscape. Since its emergence in 2016, various adversaries used RevengeRAT to attack organizations and individuals around the worl...
GoBotKR Targets Pirate Torrents to Build a DDoS Botnet
A botnet dubbed GoBotKR is targeting fans of Korean TV, compromising computers via pirated copies of South Korean movies, games and TV shows available via Korean and Chinese torrent sites. Ultimately, the cybercriminals are building a network that can then be used to perform DDoS attacks of vario...
ThreatList: Top 5 Most Dangerous Attachment Types
Researchers with F-Secure have tracked the top spam-related attachments and campaigns used so far in 2019. The verdict, ZIPs, PDF, and MS office files such as DOC and XLSM file attachments were more commonly used in huge spam campaigns than any other type attachment. In addition, researchers...
Ad Server Patched to Stop Possible Malware Distribution
UPDATE The open-source advertising platform Revive Adserver is urging customers to patch two vulnerabilities, one of which is critical and may have been exploited to allow hackers to deliver malware to third-party websites. Revive Adserver, formerly known as OpenX Source, is a free, open-source a...
New HawkEye Reborn Variant Emerges Following Ownership Change
Edmund Brumaghin and Holger Unterbrink authored this blog post. Executive summary Malware designed to steal sensitive information has been a threat to organizations around the world for a long time. The emergence of the greyware market and the increased commercialization of keyloggers, stealers,...
Moodle CMS <= 3.1.16, 3.4.x <= 3.4.7, 3.5.x <= 3.5.4 and 3.6.x <= 3.6.2 Multiple Vulnerabilities
Moodle CMS is prone to multiple vulnerabilities. Copyright C 2019 Greenbone Networks GmbH Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-or-later This program is free software; you can...
Lazarus Group Widens Tactics in Cryptocurrency Attacks
North Korea-linked APT Lazarus Group has been spotted targeting the cryptocurrency business again, adding Apple users to the mix by using PowerShell scripts to control macOS malware, and honing its Windows strategy. The campaign has been active since at least November 2018, according to an analys...