The exploit uses Microsoft Word as the initial vector to reach the real vulnerable component, which is not related to Microsoft Office and which is responsible for certain SOAP-rendering functionalities through. NET classes. For more information on this new campaign our partner FireEye has a good technical blog describing the infection mechanism and the details of the exploit. After the initial notification from FireEye, Windows Defender telemetry revealed very limited usage of this zero-day exploit.
Microsoft researchers believe that the adversary involved in this operation could be linked to the NEODYMIUM group , which has used similar zero-day exploits with spear-phishing attachments combined with the usage of FinFisher spyware.
Office Advanced Threat Protection defense for corporate networks against recent Office exploit attacks. Questions, concerns, or insights on this story?
Skip to main content. Block reasons for the exploit attachment as seen in Office ATP console Windows Defender ATP was also able to raise multiple alerts related to post-exploitation activities performed by this exploit using scripting engines and PowerShell.
Figure 2. The APT trends reports are based on our threat intelligence research and provide a representative snapshot of what we have discussed in greater detail in our private APT reports. This is our latest installment, focusing on activities that we observed during Q3 According to older public researches, Lyceum conducted operations against organizations in the energy and telecommunications sectors across the Middle East.
While investigating a recent rise of attacks against Exchange servers, we noticed a recurring cluster of activity that appeared in several distinct compromised networks. With a long-standing operation, high profile victims, advanced toolset and no affinity to a known threat actor, we decided to dub the cluster GhostEmperor. We discovered a campaign delivering the Tomiris backdoor that shows a number of similarities with the Sunshuttle malware distributed by DarkHalo APT and target overlaps with Kazuar.
All Rights Reserved. Registered trademarks and service marks are the property of their respective owners. Solutions for:. Content menu Close. An exploit is usually maliciously used to gain unauthorized access, or to force a vulnerable program or operating system to perform unexpected actions.
The name of the detection that identified the exploit will often indicate the vulnerability it targets, such as:. Exploits are often included in harmful programs such as trojans or worms , to facilitate their other destructive actions.
These programs are usually spread in email attachments, or as disguised files that are distributed over networks. Exploits are also used by exploit kits , which are most commonly encountered on compromised webpages. While an unsuspecting user views the webpage, the kit silently probes their computer or device for any flaws that can be exploited. Exploits allow an attacker to perform a wide range of possible actions on an affected device, from viewing data on a restricted-user database to gaining almost complete control of a compromised system.
For examples of exploits on various platfoms, see the following descriptions:. The vulnerabilities leveraged by the exploits are usually application or platform specific; in other words, a specific program or even a specific version of a particular program must be installed on the machine in order for the exploit to be effective. To prevent exploitation of such vulnerabilities, please refer to the application vendor for the latest updates and additional advice.
Javascript is disabled in your web browser For full functionality of this site it is necessary to enable JavaScript. Classification Category :. Type :. Aliases :. Summary A file or program contains an exploit that can take advantage of a known vulnerability to gain unauthorized access or control of a program, device or service.
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