Detections
Explore public detection logic contributed by the community across SIEM and rule languages.
203 detections
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Detects the suspicious execution of a utility to convert Windows 3.x .grp files or for persistence purposes by malicious software or actors
Detects potential malicious modification of run keys by winekey or team9 backdoor
Detects creation/modification of Assistive Technology applications and persistence with usage of 'at'
Detects potential malicious modification of run keys by winekey or team9 backdoor
'This query identifies when a process execution command-line indicates that a registry value is written to allow for later execution a malicious script
References: https://www.microsoft.com/security/blog/2021/03/04/goldmax-goldfinder-sibot-analyzing-nobelium-malware/'
References: https://www.microsoft.com/security/blog/2021/03/04/goldmax-goldfinder-sibot-analyzing-nobelium-malware/'
'This query idenifies when rundll32.exe executes a specific set of inline VBScript commands
References: https://www.microsoft.com/security/blog/2021/03/04/goldmax-goldfinder-sibot-analyzing-nobelium-malware/
To use this analytics rule, make sure you have deployed the [ASIM normalization parsers](https://aka.ms/ASimProcessEvent)'
References: https://www.microsoft.com/security/blog/2021/03/04/goldmax-goldfinder-sibot-analyzing-nobelium-malware/
To use this analytics rule, make sure you have deployed the [ASIM normalization parsers](https://aka.ms/ASimProcessEvent)'
Yara rule that detects ResolverRAT backdoor.
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 registry entries that may indicate that an operator is trying to establish persistence for the Qakbot binary.
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 registry entries that may indicate that an operator is trying to establish persistence for the Qakbot binary.
Reference - https://www.microsoft.com/security/blog/2017/11/06/mitigating-and-eliminating-info-stealing-qakbot-and-emotet-in-corporate-networks/
The following analytic detects the creation of files in Linux init boot directories, which are used for automatic execution upon system startup. It leverages file system logs to identify new files in directories such as /etc/init.d/ and /etc/rc.d/. This activity is significant as it is a common persistence technique used by adversaries, malware authors, and red teamers. If confirmed malicious, this could allow an attacker to maintain persistence on the compromised host, potentially leading to further exploitation and unauthorized control over the system.
The following analytic detects suspicious modifications to the time provider registry for persistence and autostart. It leverages data from the Endpoint.Registry data model, focusing on changes to the "CurrentControlSet\\Services\\W32Time\\TimeProviders" registry path. This activity is significant because such modifications are uncommon and can indicate an attempt to establish persistence on a compromised host. If confirmed malicious, this technique allows an attacker to maintain access and execute code automatically upon system boot, potentially leading to further exploitation and control over the affected system.
This rule detects the creation, modification, copying, or moving of Windows shortcut (.lnk) files into sensitive user directories such as Desktop, Documents, and Start Menu folders. Adversaries often use .lnk files for persistence, execution, or to deliver malicious payloads, especially when placed in locations that are frequently accessed or automatically executed by the system or user.
Detects the creation of new PowerShell module files (.ps or .dll) in the first folder of the module directory structure, specifically within '\WindowsPowerShell\Modules\*\'. This pattern is considered suspicious because legitimate PowerShell modules commonly include a version folder within their directory structure, making direct creation in the module root less common for benign modules.
Yara rule that detects Linodas backdoor.
Yara rule that detects Zoldon ransomware.
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