Detections
Explore public detection logic contributed by the community across SIEM and rule languages.
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The following analytic detects a modification to the Windows registry setting "LongPathsEnabled," which allows file paths longer than 260 characters. This detection leverages data from the Endpoint.Registry datamodel, focusing on changes to the specific registry path and value. This activity is significant because adversaries, including malware like BlackByte, exploit this setting to bypass file path limitations, potentially aiding in evasion techniques. If confirmed malicious, this modification could facilitate the execution of long-path payloads, aiding in persistence and further system compromise.
The following analytic detects suspicious modifications to the Windows registry keys related to file compression color and information tips. It leverages data from the Endpoint.Registry data model, specifically monitoring changes to the "ShowCompColor" and "ShowInfoTip" values under the "Microsoft\\Windows\\CurrentVersion\\Explorer\\Advanced" path. This activity is significant as it was observed in the Hermetic Wiper malware, indicating potential malicious intent to alter file attributes and user interface elements. If confirmed malicious, this could signify an attempt to manipulate file visibility and deceive users, potentially aiding in further malicious activities.
Adversaries may acquire credentials from web browsers by reading files specific to the target browser.
Web browsers commonly save credentials such as website usernames and passwords so that they do not need to be entered manually in the future.
Web browsers typically store the credentials in an encrypted format within a credential store.
Web browsers commonly save credentials such as website usernames and passwords so that they do not need to be entered manually in the future.
Web browsers typically store the credentials in an encrypted format within a credential store.
Detects the installation of suspicious applications by monitoring the Windows Shell-Core event log for EventID 28115, which indicates a shortcut being added to the app resolver cache. The rule specifically looks for known suspicious application names like Zenmap, AnyDesk, Wireshark, and OpenVPN in the 'Name' or 'AppID' fields.
Detects the creation of a new Outlook form which can contain malicious code
Detects creation of local users via the net.exe command with the option "never expire"
Detects the stopping of a Windows service via the PowerShell Cmdlet "Stop-Service"
Detects a suspicious RDP session redirect using tscon.exe
Detects suspicious application installed by looking at the added shortcut to the app resolver cache
Detects usage of the "Add-WindowsCapability" cmdlet to add Windows capabilities. Notable capabilities could be "OpenSSH" and others.
Detects deletion of Windows Volume Shadow Copies with PowerShell code and Get-WMIObject. This technique is used by numerous ransomware families such as Sodinokibi/REvil
PowerShell SAM Copy
Sigma
Detects suspicious PowerShell scripts accessing SAM hives
Shadow Copies creation using operating systems utilities, possible credential access
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