Azure Sentinel
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'This query uses the Azure Defender Security Nested Recommendations data to find machines vulnerable to OMIGOD CVE-2021-38647.
OMI is the Linux equivalent of Windows WMI and helps users manage configurations across remote and local environments. The query aims to find machines that have this OMI vulnerability (CVE-2021-38647).
Security Nested Recommendations data is sent to Microsoft Sentinel using the continuous export feature of Azure Defender(refrence link below).
Reference: https://www.wiz.io/blog/omigod-critical-vulnerabilities-in-omi-azure
Reference: https://docs.microsoft.com/azure/security-center/continuous-export?tabs=azure-portal'
OMI is the Linux equivalent of Windows WMI and helps users manage configurations across remote and local environments. The query aims to find machines that have this OMI vulnerability (CVE-2021-38647).
Security Nested Recommendations data is sent to Microsoft Sentinel using the continuous export feature of Azure Defender(refrence link below).
Reference: https://www.wiz.io/blog/omigod-critical-vulnerabilities-in-omi-azure
Reference: https://docs.microsoft.com/azure/security-center/continuous-export?tabs=azure-portal'
'Malware can use IP address to communicate with C2.'
This query was originally published in the threat analytics report, ALPC local privilege elevation.
Windows ALPC Elevation of Privilege Vulnerability, CVE-2018-8440, could be exploited to run arbitrary code or to gain access to protected directories and areas of the operating system.
This vulnerability was patched in the September 2018 Security Update.
The following query checks for potential activity related to this vulnerability over the past 7 days. If you wish to check another time period, update the EventTime value.
References:
https://nvd.nist.gov/vuln/detail/CVE-2018-8440
https://support.microsoft.com/help/4457143/windows-81-update-kb4457143
Windows ALPC Elevation of Privilege Vulnerability, CVE-2018-8440, could be exploited to run arbitrary code or to gain access to protected directories and areas of the operating system.
This vulnerability was patched in the September 2018 Security Update.
The following query checks for potential activity related to this vulnerability over the past 7 days. If you wish to check another time period, update the EventTime value.
References:
https://nvd.nist.gov/vuln/detail/CVE-2018-8440
https://support.microsoft.com/help/4457143/windows-81-update-kb4457143
Prior to deploying Macaw ransomware in an organization, adversaries will change the password for hundreds or thousands of accounts in order to lock users out of the network and impeded recovery efforts.
LemonDuck is an actively updated and robust malware primarily known for its botnet and cryptocurrency mining objectives. First discovered in 2019, LemonDuck has since adopted more sophisticated behavior and escalated its operations in 2021. Today, beyond using resources for its traditional bot and mining activities, LemonDuck steals credentials, removes security controls, spreads via emails, moves laterally, and ultimately drops more tools for human-operated activity.
Jupyter, otherwise known as SolarMarker, is a malware family and cluster of components known for its info-stealing and backdoor capabilities that mainly proliferates through search engine optimization manipulation and malicious advertising in order to successfully encourage users to download malicious templates and documents. This malware has been popular since 2020 and currently is still active as of 2021.
ZLoader was delivered in a campaign in summer 2021 via malvertising. This campaign was tweeted about by @MsftSecIntel on twitter.
Qakbot operators have been abusing the Craigslist messaging system to send malicious emails. These emails contain non-clickable links to malicious domains impersonating Craigslist, which the user is instructed to manually type into the address bar to access.
Use this query to find attempts to access files in the local path containing Outlook emails.
This query was originally published in the threat analytics report, Solorigate supply chain attack. Please note that these attacks are currently known as the Nobelium campaign.
Microsoft detects the 2020 SolarWinds supply chain attack implant and its other components as part of a campaign by the Nobelium activity group. Nobelium is the threat actor behind the attack against SolarWinds, which was previously referred to as Solorigate.
Nobelium silently added malicious code to legitimate software updates for Orion, which is IT monitoring software provided by SolarWinds. In this way, malicious dynamic link libraries (DLLs) were distributed to SolarWinds customers.
The following query detects events when SolarWinds processes launched PowerShell commands that were possibly encoded in Base64. Attackers may encode PowerShell commands in Base64 to obfuscate malicious activity.
More Nobelium-related queries can be found listed under the See also section of this document.
References:
https://msrc-blog.microsoft.com/2020/12/13/customer-guidance-on-recent-nation-state-cyber-attacks/
https://www.microsoft.com/security/blog/2020/12/18/analyzing-solorigate-the-compromised-dll-file-that-started-a-sophisticated-cyberattack-and-how-microsoft-defender-helps-protect/
Microsoft detects the 2020 SolarWinds supply chain attack implant and its other components as part of a campaign by the Nobelium activity group. Nobelium is the threat actor behind the attack against SolarWinds, which was previously referred to as Solorigate.
Nobelium silently added malicious code to legitimate software updates for Orion, which is IT monitoring software provided by SolarWinds. In this way, malicious dynamic link libraries (DLLs) were distributed to SolarWinds customers.
The following query detects events when SolarWinds processes launched PowerShell commands that were possibly encoded in Base64. Attackers may encode PowerShell commands in Base64 to obfuscate malicious activity.
More Nobelium-related queries can be found listed under the See also section of this document.
References:
https://msrc-blog.microsoft.com/2020/12/13/customer-guidance-on-recent-nation-state-cyber-attacks/
https://www.microsoft.com/security/blog/2020/12/18/analyzing-solorigate-the-compromised-dll-file-that-started-a-sophisticated-cyberattack-and-how-microsoft-defender-helps-protect/
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