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Another ransomware operation known as ‘Black Kingdom’ is exploiting the Microsoft Exchange Server ProxyLogon vulnerabilities to encrypt servers. Over the weekend, security researcher Marcus Hutchins, aka MalwareTechBlog, tweeted that a threat actor was compromising Microsoft Exchange servers via the ProxyLogon Read More …
This Alert announces the CISA Hunt and Incident Response Program (CHIRP) tool. CHIRP is a forensics collection tool that CISA developed to help network defenders find indicators of compromise (IOCs) associated with activity detailed in the following CISA Alerts: AA20-352A: Read More …
Cyberattackers involved in worldwide hacking campaigns are using the compromised systems of high-profile victims as playgrounds to test out malicious tool detection rates. On Thursday, Swiss cybersecurity firm Prodaft said that SilverFish (.PDF), an “extremely skilled” threat group, has been Read More …
A possible link to China has been noted by researchers examining the exploit of SolarWinds servers to deploy malware. On Monday, Secureworks’ counter threat unit (CTU) said that during late 2020, a compromised Internet-facing SolarWinds server was used as a Read More …
Threat actors downloaded some Microsoft Exchange and Azure code repositories during the sprawling SolarWinds supply-chain attack but did not use the company’s internal systems or products to attack other victims. That’s the final verdict this week by the tech giant Read More …
The FBI has discovered that the National Finance Center (NFC), a U.S. Department of Agriculture (USDA) federal payroll agency, was compromised by exploiting a SolarWinds Orion software flaw, according to a Reuters report. NFC provides human resources and payroll services Read More …
The Russian government has issued a security warning to organizations in Russia about possible retaliatory cyberattacks by the USA for the SolarWinds breach. Last month, the SolarWinds network management company disclosed that they suffered a sophisticated cyberattack that led to Read More …
In our previous blog we described how the attackers controlled the Sunburst malware, and detailed a variety of commands that will result in data being sent to the threat actors. The next technique to discuss is how Sunburst sends this Read More …
The Cybersecurity and Infrastructure Security Agency (CISA) recently issued an alert regarding an advanced persistent threat (APT) compromising government agencies, critical infrastructures, and private sector organizations. According to CISA, the APT actor is accountable for the compromise of the SolarWinds Read More …
Symantec, a division of Broadcom, has uncovered an additional piece of malware used in the SolarWinds attacks which was used against a select number of victims that were of interest to the attackers. Raindrop (Backdoor.Raindrop) is a loader which delivers Read More …