Attack techniques observed by Kaspersky MDR
Vulnerabilities mentioned
All| CVE | Vulnerability | CVSS | EPSS | Signals | Published |
|---|---|---|---|---|---|
| CVE-2021-1675 | Remote Code Execution in Microsoft Windows Print Spooler (PrintNightmare) | 7.8 | 85% | KEVRansomwarePoC | KEV |
| CVE-2021-34527 | PrintNightmare: Remote Code Execution in Microsoft Windows Print Spooler | 8.8 | 100% | KEVRansomwarePoC ×3 | KEV |
Indicators of compromise
auto-extracted · verify before use · export allAll| Type | Indicator | Context |
|---|---|---|
| domain | microsoft.net | utbound network connection Process command line: C:\Windows\Microsoft.NET\Framework\v4 .0.30319\MSBuild.exe C:\Share\1.xml MSBuild ne |
| ipv4 | 185.117.73.52 | cess to malicious hosts from nonbrowsers Target URL: hxxp://185[.]117[.]73[.]52:443/getTargetInfo?guid =xxx-yyy-zzz&status=1 CMD line |
| url | http://185.117.73.52:443/getTargetInfo?guid | ocol Access to malicious hosts from nonbrowsers Target URL: hxxp://185[.]117[.]73[.]52:443/getTargetInfo?guid =xxx-yyy-zzz&status=1 CMD line: “C:\Windows\System32\ |
From the original article
8 min read at securelist.com
Kaspersky Managed Detection and Response (MDR) provides advanced protection against the growing number of threats that bypass automatic security barriers. Its capabilities are backed by a high-professional team of security analysts operating all over the world.
By @Securelist · securelist.com
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