WannaCry Development Errors Enable File Recovery

WannaCry may have caused worldwide havoc on May 12 when it rode the coattails of the NSA’s weaponized EternalBlue exploit to infect computers in 150 countries, but that doesn’t mean it was a quality piece of ransomware. A number of programming errors in the code are floating to the surface and...

SEI Issues Advice on Ransomware

The Software Engineering Institute SEI of Carnegie Mellon University has released a blog post on best practices for preventing and responding to ransomware. This common malware captures, encrypts, and holds your data to extort a ransom. SEI’s top recommendation to thwart ransomware attacks is to...

Linguistic Analysis Suggests WannaCry Hackers Could be From Southern China

It’s been almost four weeks since the outcry of WannaCry ransomware, but the hackers behind the self-spread ransomware threat have not been identified yet. However, two weeks ago researchers at Google, Kaspersky Lab, Intezer and Symantec linked WannaCry to ‘Lazarus Group,’ a state-sponsored hacki...

smb-vuln-ms17-010 NSE Script

Attempts to detect if a Microsoft SMBv1 server is vulnerable to a remote code execution vulnerability ms17-010, a.k.a. EternalBlue. The vulnerability is actively exploited by WannaCry and Petya ransomware and other malware. The script connects to the $IPC tree, executes a transaction on FID 0 and...

Patching CVE-2017-7494 in Samba: It’s the Circle of Life

With the scent of scorched internet still lingering in the air from the WannaCry Ransomworm, today we see a new scary-and-potentially-incendiary bug hitting the twitter news. The vulnerability - CVE-2017-7494 - affects versions 3.5 released March 1, 2010 and onwards of Samba, the defacto standard...

This Week in Security News

Welcome to our weekly roundup, where we share what you need to know about the cybersecurity news and events that happened over the past few days. Below you’ll find a quick recap of topics followed by links to news articles and/or our blog posts providing additional insight. Be sure to check back...

SMB Exploited: WannaCry Use of "EternalBlue"

Server Message Block SMB is the transport protocol used by Windows machines for a wide variety of purposes such as file sharing, printer sharing, and access to remote Windows services. SMB operates over TCP ports 139 and 445. In April 2017, Shadow Brokers released an SMB vulnerability named...

SMB Exploited: WannaCry Use of EternalBlue

Server Message Block SMB is the transport protocol used by Windows machines for a wide variety of purposes such as file sharing, printer sharing, and access to remote Windows services. SMB operates over TCP ports 139 and 445. In April 2017, Shadow Brokers released an SMB vulnerability named...

Ransomware: the anatomy of paying a ransom to decrypt hostage files

Ransomware is on the rise and clients seeking to understand the process can learn from this clients story about being a victim of ransomware as to what can be expected and how to handle a ransomware attack. Recently a company facing a malware infection approached us to help them deal with the...

Protect Against WannaCry with Deception-Based Ransomware Detection

The WannaCry ransomware attack caught the world off guard—and may have even literally left some crying. The attack infected more than 230,000 computers in 150 countries by encrypting data on networked machines and demanding payments in Bitcoin. According to Malwarebytes researchers, the attack...

WannaCry Highlights Major Security Shortcomings Ahead of GDPR D-Day

For all the panic it caused, WannaCry looks finally to have been contained by organisations round the globe. But this isn’t the time to forget about it and move on. There are valuable lessons to be learned about this attack, why it was so successful and what can be done to prevent it happening...

WannaCry Ransom Note Written by Chinese, English Speaking Authors

The WannaCry ransom note was likely written by Chinese- and English-speaking authors, adding more intrigue to the investigation into whether it was indeed a North Korean APT using stolen NSA exploits to spread ransomware worldwide. Analysts at Flashpoint, including some fluent in Chinese, said th...

Samba Patches Critical Bug Exploitable With One Line Of Code

A patch for a critical vulnerability impacting the free networking software Samba was issued Wednesday. The flaw poses a severe threat to users, with approximately 104,000 Samba installations vulnerable to remote takeover. More troubling, experts say, the vulnerability can be exploited with just...

Ransomware and the Internet of Things

As devastating as the latest widespread ransomware attacks have been, it's a problem with a solution. If your copy of Windows is relatively current and you've kept it updated, your laptop is immune. It's only older unpatched systems on your computer that are vulnerable. Patching is how the comput...

Wanna Cry Again? NSA’s Windows 'EsteemAudit' RDP Exploit Remains Unpatched

Brace yourselves for a possible 'second wave' of massive global cyber attack, as SMB Server Message Block was not the only network protocol whose zero-day exploits created by NSA were exposed in the Shadow Brokers dump last month. Although Microsoft released patches for SMB flaws for supported...

The Latest on WannaCry, UIWIX, EternalRocks and ShadowBrokers

Ransomware has gained global attention over the course of the last two weeks due to the huge spread of WannaCry. Following the initial attacks, we’ve seen UIWIX, Adylkuzz and now EternalRocks come onto the scene leveraging the same core set of vulnerabilities. The common thread between the three...

The media player can lead to millions of systems suffer from subtitles attack-vulnerability warning-the black bar safety net

Experts pointed out that, as long as the attacker can make the target user in which a vulnerable media player to open a malicious subtitle file will be able to fully control the device. For automatically from the Internet to get the caption of the application, without any user interaction it can...

WannaCry Malware Profile

WannaCry also known as WCry or WanaCryptor malware is a self-propagating worm-like ransomware that spreads through internal networks and over the public internet by exploiting a vulnerability in Microsoft’s Server Message Block SMB protocol, MS17-010. The WannaCry malware consists of two distinct...

WannaCry Malware Profile

WannaCry also known as WCry or WanaCryptor malware is a self-propagating worm-like ransomware that spreads through internal networks and over the public internet by exploiting a vulnerability in Microsoft’s Server Message Block SMB protocol, MS17-010. The WannaCry malware consists of two distinct...

The Future of Ransomware

Ransomware isn't new, but it's increasingly popular and profitable. The concept is simple: Your computer gets infected with a virus that encrypts your files until you pay a ransom. It's extortion taken to its networked extreme. The criminals provide step-by-step instructions on how to pay,...