An increasing number of threats have begun to leverage the Microsoft Graph API, usually to facilitate communications with command-and-control (C&C) infrastructure hosted on Microsoft cloud services.
The technique was most recently used in an attack against an organization in Ukraine, where a previously undocumented piece of malware used the Graph API to leverage Microsoft OneDrive for C&C purposes.
Read more…
Source: Symantec
Related:
- Microsoft Recall snapshots can be easily grabbed with TotalRecall tool
June 6, 2024
Microsoft’s Recall feature has been criticized heavily by pretty much everyone since it was announced last month. Now, researchers have demonstrated the risks by creating a tool that can find, extract, and display everything Recall has stored on a device. For those unaware, Recall is a feature within what Microsoft is calling its “Copilot+ PCs,” a ...
- CVE-2024-30043: Abusing URL Parsing Confusion To Exploit XXE On Sharepoint Server And Cloud
May 30, 2024
Yes, the title is right. This blog covers an XML eXternal Entity (XXE) injection vulnerability that the author found in SharePoint. The bug was recently patched by Microsoft. In general, XXE vulnerabilities are not very exciting in terms of discovery and related technical aspects. They may sometimes be fun to exploit and exfiltrate data (or do ...
- A Microsoft under attack from government and tech rivals after ‘preventable’ hack ties executive pay to cyberthreats
May 22, 2024
Microsoft has come under fire recently from both the U.S. government and rival companies for its failure to stop a Chinese hack of its systems last summer. One change the tech giant is making in response: linking executive compensation more closely to cybersecurity. In April, a government review board described a hack of Microsoft last summer attributed ...
- Why Microsoft’s New AI Feature Has Prompted Privacy Concerns
May 22, 2024
Microsoft introduced a new series of products, named Copilot+ PCs, that are designed to be integrated with artificial intelligence technology in mind. The company has reportedly struggled with the laptop market in recent months, with sales of the flagship surface pro laptops declining significantly in 2023. But the new AI device features have raised privacy concerns. ...
- Payload Trends in Malicious OneNote Samples
May 16, 2024
In this post, Unt 42 researchers look at the types of embedded payloads that attackers leverage to abuse Microsoft OneNote files. Our analysis of roughly 6,000 malicious OneNote samples from WildFire reveals that these samples have a phishing-like theme where attackers use one or more images to lure people into clicking or interacting with OneNote ...
- Graph: Growing number of threats leveraging Microsoft API
May 2, 2024
An increasing number of threats have begun to leverage the Microsoft Graph API, usually to facilitate communications with command-and-control (C&C) infrastructure hosted on Microsoft cloud services. The technique was most recently used in an attack against an organization in Ukraine, where a previously undocumented piece of malware used the Graph API to leverage Microsoft OneDrive for ...