Miscreants fling booby-trapped Office files at victims, no patch yet, says Microsoft

In an advisory issued on Tuesday, Microsoft said some of its users were targeted by poisoned Office documents that exploit an unpatched flaw to hijack their Windows machines. The vulnerability, CVE-2021-40444, is described as a hole in MSHTML, Internet Explorer’s Read More …

Analyzing SSL/TLS Certificates Used by Malware

Malware has increasingly been making use of encryption to help hide their network traffic in recent years. This makes sense especially when one realizes that ordinary network traffic is increasingly encrypted as well. Google’s own Transparency Report notes that HTTPS Read More …

Conti ransomware now hacking Exchange servers with ProxyShell exploits

The Conti ransomware gang is hacking into Microsoft Exchange servers and breaching corporate networks using recently disclosed ProxyShell vulnerability exploits. ProxyShell is the name of an exploit utilizing three chained Microsoft Exchange vulnerabilities (CVE-2021-34473, CVE-2021-34523, CVE-2021-31207) that allow unauthenticated, remote Read More …