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...

New Chinese Malware Targeted Russia's Largest Nuclear Submarine Designer

A threat actor believed to be working on behalf of Chinese state-sponsored interests was recently observed targeting a Russia-based defense contractor involved in designing nuclear submarines for the naval arm of the Russian Armed Forces. The phishing attack, which singled out a general director...

PortDoor Espionage Malware Takes Aim at Russian Defense Sector

A previously undocumented backdoor malware, dubbed PortDoor, is being used by a probable Chinese advanced persistent threat actor APT to target the Russian defense sector, according to researchers. The Cybereason Nocturnus Team observed the cybercriminals specifically going after the Rubin Design...

Ghostwriter Update: Cyber Espionage Group UNC1151 Likely Conducts Ghostwriter Influence Activity

In July 2020, Mandiant Threat Intelligence released a public report detailing an ongoing influence campaign we named “Ghostwriter.” Ghostwriter is a cyber-enabled influence campaign which primarily targets audiences in Lithuania, Latvia and Poland and promotes narratives critical of the North...

Russian Foreign Intelligence Service (SVR) Cyber Operations: Trends and Best Practices for Network Defenders

Summary The Federal Bureau of Investigation FBI, Department of Homeland Security DHS, and Cybersecurity and Infrastructure Security Agency CISA assess Russian Foreign Intelligence Service SVR cyber actors—also known as Advanced Persistent Threat 29 APT 29, the Dukes, CozyBear, and Yttrium—will...

Facebook Busts Palestinian Hackers' Operation Spreading Mobile Spyware

Facebook on Wednesday said it took steps to dismantle malicious activities perpetrated by two state-sponsored hacking groups operating out of Palestine that abused its platform to distribute malware. The social media giant attributed the attacks to a network connected to the Preventive Security...

The FBI Is Now Securing Networks Without Their Owners’ Permission

In January, we learned about a Chinese espionage campaign that exploited four zero-days in Microsoft Exchange. One of the characteristics of the campaign, in the later days when the Chinese probably realized that the vulnerabilities would soon be fixed, was to install a web shell in compromised...

Crossing the Line: When Cyberattacks Become Acts of War

The Cold War concept isn’t outdated. In the decades since the fall of the Soviet Union, the battleground has simply shifted from conflicts between ideological proxy governments to cyberspace. And the opponents have grown from a few primary nations into a broad range of sovereign threat actors. Th...

Chinese APT group spying on Vietnam military with FoundCore RAT

By Deeba Ahmed According to Kaspersky researchers, Cycldek, a Chinese APT group is targeting Vietnam's military establishment with FoundCore RAT. This is a post from HackRead.com Read the original post: Chinese APT group spying on Vietnam military with FoundCore RAT...

Why you need to trust your VPN: Lock and Code S02E05

This week on Lock and Code, we discuss the top security headlines generated right here on Labs. In addition, we speak to Malwarebytes senior security researcher JP Taggart about the importance of trusting your VPN. Youve likely heard the benefits of using a VPN: You can watch TV shows restricted ...

Facebook removes 100s of accounts for spreading iOS, Android malware

By Waqas The hackers were using malware campaigns to target iOS and Android devices used by Uyghurs living outside China including journalists. Facebook has removed accounts of hackers possibly backed by the Chinese government for targeting Uyghur community members living abroad. According to...

Chinese Hackers Used Facebook to Hack Uighur Muslims Living Abroad

Facebook may be banned in China, but the company on Wednesday said it has disrupted a network of bad actors using its platform to target the Uyghur community and lure them into downloading malicious software that would allow surveillance of their devices. "They targeted activists, journalists and...

Chinese Hackers Used Facebook to Hack Uighur Muslims Living Abroad

Facebook may be banned in China, but the company on Wednesday said it has disrupted a network of bad actors using its platform to target the Uyghur community and lure them into downloading malicious software that would allow surveillance of their devices. "They targeted activists, journalists and...

Facebook Moves Against ‘Evil Eye’ Hackers Targeting Uyghurs

The company’s investigation into a Chinese espionage campaign took researchers beyond Facebook’s own platforms...

Report goes “behind enemy lines” to reveal SilverFish cyber-espionage group

The PRODAFT Threat Intelligence Team has published a report pdf that gives an unusually clear look at the size and structure of organized cybercrime. It uncovered a global cybercrime campaign that uses modern management methods, sophisticated tools—including its own malware testing sandbox—and ha...

SolarWinds Hack — New Evidence Suggests Potential Links to Chinese Hackers

A malicious web shell deployed on Windows systems by leveraging a previously undisclosed zero-day in SolarWinds' Orion network monitoring software may have been the work of a possible Chinese threat group. In a report published by Secureworks on Monday, the cybersecurity firm attributed the...

At Least 30,000 U.S. Organizations Newly Hacked Via Holes in Microsoft’s Email Software

At least 30,000 organizations across the United States -- including a significant number of small businesses, towns, cities and local governments -- have over the past few days been hacked by an unusually aggressive Chinese cyber espionage unit thats focused on stealing email from victim...

Researchers Find 3 New Malware Strains Used by SolarWinds Hackers

FireEye and Microsoft on Thursday said they discovered three more malware strains in connection with the SolarWinds supply-chain attack, including a "sophisticated second-stage backdoor," as the investigation into the sprawling espionage campaign continues to yield fresh clues about the threat...

CISA Orders Fed Agencies to Patch Exchange Servers

Hot on the heels of Microsoft’s announcement about active cyber-espionage campaigns that are exploiting four serious security vulnerabilities in Microsoft Exchange Server, the U.S. government is mandating patching for the issues. The news comes as security firms report escalating numbers of relat...

CISA Issues Emergency Directive on In-the-Wild Microsoft Exchange Flaws

Following Microsoft's release of out-of-band patches to address multiple zero-day flaws in on-premises versions of Microsoft Exchange Server, the U.S. Cybersecurity and Infrastructure Security Agency CISA has issued an emergency directive warning of "active exploitation" of the vulnerabilities. T...