Black Kingdom Ransomware Hunting Unpatched Microsoft Exchange Servers

More than a week after Microsoft released a one-click mitigation tool to mitigate cyberattacks targeting on-premises Exchange servers, the company disclosed that patches have been applied to 92% of all internet-facing servers affected by the ProxyLogon vulnerabilities. The development, a 43%...

McAfee ATR Thinks in Graphs | McAfee Blogs

ARCHIVED STORY McAfee ATR Thinks in Graphs By Valentine Mairet · MAR 08, 2021 · 19 MIN READ 0. Introduction John Lambert, a distinguished researcher specializing in threat intelligence at Microsoft, once said these words that changed perspectives: “Defenders think in lists. Attackers think in...

Joint NSA and CISA Guidance on Strengthening Cyber Defense Through Protective DNS

The National Security Agency NSA and CISA have released a Joint Cybersecurity Information CSI sheet with guidance on selecting a protective Domain Name System PDNS service as a key defense against malicious cyber activity. Protective DNS can greatly reduce the effectiveness of ransomware, phishin...

Tax Season Ushers in Quickbooks Data-Theft Spike

Cybercriminals are ready for tax season with new malware designed to exfiltrate Quickbooks data and post it on the internet, according to a new report from ThreatLocker. Attackers use email to deliver the malware, which the ThreatLocker’s CEO Danny Jenkins told Threatpost is a simple, 15-line pie...

Becoming resilient by understanding cybersecurity risks: Part 3—a security pro’s perspective

In part two of this blog series on aligning security with business objectives and risk, we explored the importance of thinking and acting holistically, using the example of human-operated ransomware, which threatens every organization in every industry. As we exited 2020, the Solorigate attack...

LazyScripter: From Empire to double RAT

Malwarebytes’ Threat Intelligence analysts are continually researching and monitoring active malware campaigns and actor groups as the prevalence and sophistication of targeted attacks rapidly evolves. In this paper, we introduce a new APT group we have named LazyScripter, presenting in-depth...

CVE-2020-24617

Mailtrain through 1.24.1 allows SQL Injection in statsClickedSubscribersByColumn in lib/models/campaigns.js via /campaigns/clicked/ajax because variable column names are not properly escaped...

CVE-2020-24617

Mailtrain through 1.24.1 allows SQL Injection in statsClickedSubscribersByColumn in lib/models/campaigns.js via /campaigns/clicked/ajax because variable column names are not properly escaped...

Mailtrain SQL注入漏洞

Mailtrain is an open source hosted newsletter application built on Node.js and MySQL/MariaDB. A SQL injection vulnerability exists in Mailtrain 1.24.1 and earlier in lib/models/campaigns.js in statsClickedSubscribersByColumn. The vulnerability stems from not properly escaping variable column name...

What Google learned from 1 billion evil email scams

Google and researchers at Stanford University have released an in-depth study analysing 5 months of phishing / malware mails sent globally. "Who is targeted by email-based phishing and malware? Measuring factors that differentiate risk" looked at more than a billion mails. The results were then f...

Phishing: Holiday Season Attacks on the Rise

Overview Phishing continues to be a major attack vector, and it's surprising just how many security incidents and breaches start with an employee clicking on a link in a carefully crafted phishing email and sometimes doing the same with a not-so-well crafted phishing email -- see this example...

Detailed: Here's How Iran Spies on Dissidents with the Help of Hackers

Twin cyber operations conducted by state-sponsored Iranian threat actors demonstrate their continued focus on compiling detailed dossiers on Iranian citizens that could threaten the stability of the Islamic Republic, including dissidents, opposition forces, and ISIS supporters, and Kurdish native...

Afternoon Cyber Tea: Privacy, the pandemic, and protecting our cyber future

Much of our everyday life has moved online with the pandemic continuing to play a role in how we work and communicate with others. This migration has meant that security and privacy continue to remain top-of-mind for both security professionals and those who may not have given these cyber issues ...

What tracking an attacker email infrastructure tells us about persistent cybercriminal operations

From March to December 2020, we tracked segments of a dynamically generated email infrastructure that attackers used to send more than a million emails per month, distributing at least seven distinct malware families in dozens of campaigns using a variety of phishing lures and tactics. These...

What tracking an attacker email infrastructure tells us about persistent cybercriminal operations

From March to December 2020, we tracked segments of a dynamically generated email infrastructure that attackers used to send more than a million emails per month, distributing at least seven distinct malware families in dozens of campaigns using a variety of phishing lures and tactics. These...

European Authorities Disrupt Emotet — World's Most Dangerous Malware

Law enforcement agencies from as many as eight countries dismantled the infrastructure of Emotet , a notorious email-based Windows malware behind several botnet-driven spam campaigns and ransomware attacks over the past decade. The coordinated takedown of the botnet on Tuesday — dubbed "Operation...

The vulnerability of the software platform for conducting marketing campaigns, both online and offline, in Adobe Campaign Classic, relates to reading data beyond the buffer in memory. This allows an attacker to gain unauthorized access to protected information.

The vulnerability of the software platform for conducting marketing campaigns, both online and offline, in Adobe Campaign Classic is related to reading data beyond the buffer in memory. Exploiting this vulnerability can allow an attacker to gain unauthorized access to protected information...

Talos Vulnerability Discovery Year in Review — 2020

While major attacks like ransomware and COVID-19-themed campaigns made headlines across the globe this year, many attacks were prevented through simple practices of finding, disclosing and patching vulnerabilities. Cisco Talos' Systems Vulnerability Research Team discovered 231 vulnerabilities th...

Hacker Dumps Crypto Wallet Customer Data; Active Attacks Follow

On Monday a hacker dumped sensitive data stolen earlier this year from the Ledger cryptocurrency wallet’s website. The data was put up for grabs on sites frequented by criminals. And in a twist that surprised no one, the data is now actively being exploited in phishing campaigns. Researchers at...

Russian APT28 Hackers Using COVID-19 as Bait to Deliver Zebrocy Malware

A Russian threat actor known for its malware campaigns has reappeared in the threat landscape with yet another attack leveraging COVID-19 as phishing lures, once again indicating how adversaries are adept at repurposing the current world events to their advantage. Linking the operation to a...