Detections
Explore public detection logic contributed by the community across SIEM and rule languages.
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KQL Query
This query looks for signs of impacket wmipersist usage and should work for other wmi based persistence methods. Requires analysis.
Author: Jouni Mikkola
More info: https://threathunt.blog/impacket-part-2/
Author: Jouni Mikkola
More info: https://threathunt.blog/impacket-part-2/
This query was originally published in the threat analytics report, Python abuse on macOS
The Python programming language comes bundled with macOS. In threat intelligence gathered from macOS endpoints, we have observed numerous attacks run with EmPyre, a Python-based post-exploitation framework similar to PowerShell Empire for Windows.
The following query checks for Microsoft Office documents that run Python scripts.
Reference - https://www.powershellempire.com/
The Python programming language comes bundled with macOS. In threat intelligence gathered from macOS endpoints, we have observed numerous attacks run with EmPyre, a Python-based post-exploitation framework similar to PowerShell Empire for Windows.
The following query checks for Microsoft Office documents that run Python scripts.
Reference - https://www.powershellempire.com/
'This query looks for messages related to file downloads of suspicious file types. This query uses the Exchange HttpProxy AOBGeneratorLog, you will need to onboard this log as a custom log under the table http_proxy_oab_CL before using this query.
Reference: https://www.microsoft.com/security/blog/2021/03/02/hafnium-targeting-exchange-servers/'
Reference: https://www.microsoft.com/security/blog/2021/03/02/hafnium-targeting-exchange-servers/'
This query was originally published in the threat analytics report, Qakbot blight lingers, seeds ransomware
Qakbot is malware that steals login credentials from banking and financial services. It has been deployed against small businesses as well as major corporations. Some outbreaks have involved targeted ransomware campaigns that use a similar set of techniques. Links to related queries are listed under See also.
The following query detects possible attempts by Qakbot to execute malicious Javascript code.
Reference - https://www.microsoft.com/security/blog/2017/11/06/mitigating-and-eliminating-info-stealing-qakbot-and-emotet-in-corporate-networks/
Qakbot is malware that steals login credentials from banking and financial services. It has been deployed against small businesses as well as major corporations. Some outbreaks have involved targeted ransomware campaigns that use a similar set of techniques. Links to related queries are listed under See also.
The following query detects possible attempts by Qakbot to execute malicious Javascript code.
Reference - https://www.microsoft.com/security/blog/2017/11/06/mitigating-and-eliminating-info-stealing-qakbot-and-emotet-in-corporate-networks/
This query was originally published in the threat analytics report, CVE-2018-8653 scripting engine vulnerability.
CVE-2018-8653 is a remote code execution vulnerability found in the scripting engine for several releases of Internet Explorer. An attacker exploiting this CVE could use a malicious webpage to gain the same access rights as the currently logged-in user -- which is particularly problematic if the user is an administrator.
Microsoft has since addressed this vulnerability.
The following queries detect possible exploitation of this CVE.
References:
https://nvd.nist.gov/vuln/detail/CVE-2018-8653
https://portal.msrc.microsoft.com/security-guidance/advisory/CVE-2018-8653
CVE-2018-8653 is a remote code execution vulnerability found in the scripting engine for several releases of Internet Explorer. An attacker exploiting this CVE could use a malicious webpage to gain the same access rights as the currently logged-in user -- which is particularly problematic if the user is an administrator.
Microsoft has since addressed this vulnerability.
The following queries detect possible exploitation of this CVE.
References:
https://nvd.nist.gov/vuln/detail/CVE-2018-8653
https://portal.msrc.microsoft.com/security-guidance/advisory/CVE-2018-8653