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Bleeping Computer
A previously undocumented, fully undetectable PowerShell backdoor is being actively used by a threat actor who has targeted at least 69 entities. [...]
The Hacker News
Details have emerged about a previously undocumented and fully undetectable (FUD) PowerShell backdoor that gains its stealth by disguising itself as part of a Windows update process. "The covert self-developed tool and the associated C2 commands seem to be the work of a sophisticated, unknown threat actor who has targeted approximately 100 victims," Tomer Bar, director of security research at
The Register
And for bonus points, there's a Windows flaw under active exploit Microsoft fixed more than 80 security flaws in its products for October's Patch Tuesday. But let's start off with what Redmond didn't fix: two Exchange Server bugs dubbed ProxyNotShell that have been exploited by snoops as far back as August.… Patch Tuesday
Bleeping Computer
Microsoft has updated the mitigation for the latest Exchange zero-day vulnerabilities tracked as CVE-2022-41040 and CVE-2022-41082, also referred to ProxyNotShell. [...]
The Hacker News
Nicknamed ProxyNotShell, a new exploit used in the wild takes advantage of the recently published Microsoft Server-Side Request Forgery (SSRF) vulnerability CVE-2022-41040 and a second vulnerability, CVE-2022-41082 that allows Remote Code Execution (RCE) when PowerShell is available to unidentified attackers. Based on ProxyShell, this new zero-day abuse risk leverage a chained attack similar to
Bleeping Computer
Scammers are impersonating security researchers to sell fake proof-of-concept ProxyNotShell exploits for newly discovered Microsoft Exchange zero-day vulnerabilities. [...]
The Hacker News
Organizations and security teams work to protect themselves from any vulnerability, and often don't realize that risk is also brought on by configurations in their SaaS apps that have not been hardened. The newly published GIFShell attack method, which occurs through Microsoft Teams, is a perfect example of how threat actors can exploit legitimate features and configurations that haven't been
Krebs on Secuity
A number of financial institutions in and around New York City are dealing with a rash of super-thin "deep insert" card skimming devices designed to fit inside the mouth of an ATM's card acceptance slot. The card skimmers are paired with tiny pinhole cameras that are cleverly disguised as part of the cash machine. Here's a look at some of the more sophisticated deep insert skimmer technology that fraud investigators have recently found in the wild.