New Pingback Malware Using ICMP Tunneling to Evade C&C Detection

The Hacker News Daily Updates [Newsletter]( [cover]( [The Threat Hunter's Handbook]( Using Log Analytics to Find and Neutralize Hidden Threats in Your Environment [Download Now]( Sponsored LATEST NEWS May 5, 2021 [New Study Warns of Security Threats Linked to Recycled Phone Numbers]( A new academic study has highlighted a number of privacy and security pitfalls associated with recycling mobile phone numbers that could be abused to stage a variety of exploits, including account takeovers, conduct phishing and spam attacks, and even prevent victims from signing up for online ... [Read More]( [Twitter]( [Facebook]( [LinkedIn]( [BIOS PrivEsc Bugs Affect Hundreds of Millions of Dell PCs Worldwide]( PC maker Dell has issued an update to fix multiple critical privilege escalation vulnerabilities that went undetected since 2009, potentially allowing attackers to gain kernel-mode privileges and cause a denial-of-service condition. The issues, reported to Dell by researchers from SentinelOne on ... [Read More]( [Twitter]( [Facebook]( [LinkedIn]( [ALERT — New 21Nails Exim Bugs Expose Millions of Email Servers to Hacking]( The maintainers of Exim have released patches to remediate as many as 21 security vulnerabilities in its software that could enable unauthenticated attackers to achieve complete remote code execution and gain root privileges. Collectively named '21Nails,' the flaws include 11 vulnerabilities that ... [Read More]( [Twitter]( [Facebook]( [LinkedIn]( [New Pingback Malware Using ICMP Tunneling to Evade C&C Detection]( Researchers on Tuesday disclosed a novel malware that uses a variety of tricks to stay under the radar and evade detection, while stealthily capable of executing arbitrary commands on infected systems. Called 'Pingback,' the Windows malware leverages Internet Control Message Protocol (ICMP) ... [Read More]( [Twitter]( [Facebook]( [LinkedIn]( [How Should the Service Desk Reset Passwords?]( Ask the average helpdesk technician what they do all day, and they will probably answer by saying that they reset passwords. Sure, helpdesk technicians do plenty of other things too, but in many organizations, a disproportionate number of helpdesk calls are tied to password resets. On the surface, ... [Read More]( [Twitter]( [Facebook]( [LinkedIn]( [cover]( [The Threat Hunter's Handbook]( Using Log Analytics to Find and Neutralize Hidden Threats in Your Environment [Download Now]( Sponsored This email was sent to {EMAIL}. You are receiving this newsletter because you opted-in to receive relevant communications from The Hacker News. To manage your email newsletter preferences, please [click here](. Contact The Hacker News: info@thehackernews.com [Unsubscribe]( The Hacker News | Pearls Omaxe, Netaji Subash Place, Pitampura, Delhi 110034 India