FBI Clears ProxyLogon Web Shells from Hundreds of Orgs

The Feds have cleared malicious web shells from hundreds of vulnerable computers in the United States that had been compromised via the now-infamous ProxyLogon Microsoft Exchange vulnerabilities. ProxyLogon comprises a group of security bugs affecting on-premises versions of Microsoft Exchange...

FBI shuts down malware on hundreds of Exchange servers, opens Pandora’s box

A rather remarkable story has emerged, setting the scene for lively debates about permissible system access. A press release from the US Department of Justice Judge has revealed that the FBI were granted permission to perform some tech support backdoor removal. Bizarrely, they did this without...

FBI accessing computers across US to remove malicious web shells

By Deeba Ahmed FBI is Accessing Computers Across the Us to Prevent Hafnium from Exploiting MS Exchange Server Vulnerabilities - All without telling owners. This is a post from HackRead.com Read the original post: FBI accessing computers across US to remove malicious web shells...

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...

Ransomware disrupts food supply chain, Exchange exploitation suspected

When malware found its way into the network of Bakker Logistiek, a company specializing in the transport and warehousing of food and other products, on the night of 4 to 5 April, its IT systems ground to a halt. And, along with them, the reception of orders from clients, and the delivery of goods...

No, I Did Not Hack Your MS Exchange Server

New data suggests someone has compromised more than 21,000 Microsoft Exchange Server email systems worldwide and infected them with malware that invokes both KrebsOnSecurity and Yours Truly by name. Lets just get this out of the way right now: It wasnt me. The Shadowserver Foundation, a nonprofit...

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%...

Use This One-Click Mitigation Tool from Microsoft to Prevent Exchange Attacks

Microsoft on Monday released a one-click mitigation software that applies all the necessary countermeasures to secure vulnerable environments against the ongoing widespread ProxyLogon Exchange Server cyberattacks. Called Exchange On-premises Mitigation Tool EOMT, the PowerShell-based script serve...

Use This One-Click Mitigation Tool from Microsoft to Prevent Exchange Attacks

Microsoft on Monday released a one-click mitigation software that applies all the necessary countermeasures to secure vulnerable environments against the ongoing widespread ProxyLogon Exchange Server cyberattacks. Called Exchange On-premises Mitigation Tool EOMT, the PowerShell-based script serve...

Hackers Are Targeting Microsoft Exchange Servers With Ransomware

It didn't take long. Intelligence agencies and cybersecurity researchers had been warning that unpatched Exchange Servers could open the pathway for ransomware infections in the wake of swift escalation of the attacks since last week. Now it appears that threat actors have caught up. According to...

Microsoft Exchange attacks cause panic as criminals go shell collecting

Only last week we posted a blog about multiple zero-day exploits being used to attack on-premises versions of Microsoft Exchange Server in limited and targeted attacks. Seeing how this disclosure came with a patch being available, under normal circumstances you would see some companies update...

PT-2021-7092

Name of the Vulnerable Software and Affected Versions Atlassian Confluence Server and Data Center versions prior to 7.4.17 Atlassian Confluence Server and Data Center versions 7.13.0 through 7.13.6 Atlassian Confluence Server and Data Center versions 7.14.0 through 7.14.2 Atlassian Confluence...

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...

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...

Detection and Response to Exploitation of Microsoft Exchange Zero-Day Vulnerabilities

Beginning in January 2021, Mandiant Managed Defense observed multiple instances of abuse of Microsoft Exchange Server within at least one client environment. The observed activity included creation of web shells for persistent access, remote code execution, and reconnaissance for endpoint securit...

Microsoft: Chinese Cyberspies Used 4 Exchange Server Flaws to Plunder Emails

Microsoft Corp. today released software updates to plug four security holes that attackers have been using to plunder email communications at companies that use its Exchange Server products. The company says all four flaws are being actively exploited as part of a complex attack chain deployed by...

Unrestricted file upload

OpenClinic version 0.8.2 is affected by a medical/testnew.php insecure file upload vulnerability. This vulnerability allows authenticated users with substantial privileges to upload malicious files, such as PHP web shells, which can lead to arbitrary code execution on the application server...

CVE-2020-28939

OpenClinic version 0.8.2 is affected by a medical/testnew.php insecure file upload vulnerability. This vulnerability allows authenticated users with substantial privileges to upload malicious files, such as PHP web shells, which can lead to arbitrary code execution on the application server...

Heightened Awareness for Iranian Cyber Activity

Iranian cyber threat actors have been continuously improving their offensive cyber capabilities. They continue to engage in more conventional offensive cyber activities ranging from website defacement, distributed denial of service DDoS attacks, and theft of personally identifiable information PI...