Detections

Explore public detection logic contributed by the community across SIEM and rule languages.

3,613 detections

Alert when a user has performed an export to a search using 'New-ComplianceSearchAction' with the '-Export' flag. This detection will detect PST export even if the 'eDiscovery search or exported' alert is disabled in the O365.This rule will apply to ExchangePowerShell usage and from the cloud.
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SigmaHQ Detections@sigmaHQ
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SigmaHQ
2 years ago
001
Detects attempts to use screencapture to collect macOS screenshots
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SigmaHQ Detections@sigmaHQ
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SigmaHQ
2 years ago
001
Collect pertinent data from the configuration files
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SigmaHQ Detections@sigmaHQ
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SigmaHQ
2 years ago
001
Detects usage of the 'Get-Clipboard' cmdlet via CLI
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SigmaHQ Detections@sigmaHQ
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SigmaHQ
2 years ago
001
Detects adding and using Exchange PowerShell snap-ins to export mailbox data. As seen used by HAFNIUM and APT27
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SigmaHQ Detections@sigmaHQ
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SigmaHQ
2 years ago
101
Detects dump of credentials in VeeamBackup dbo
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SigmaHQ Detections@sigmaHQ
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SigmaHQ
2 years ago
001
Detects Processes accessing the camera and microphone from suspicious folder
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SigmaHQ Detections@sigmaHQ
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SigmaHQ
2 years ago
001
Identifies potential full network packet capture in gcp. This feature can potentially be abused to read sensitive data from unencrypted internal traffic.
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SigmaHQ Detections@sigmaHQ
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SigmaHQ
2 years ago
000
Detects attempts to collect data stored in the clipboard from users with the usage of xclip tool. Xclip has to be installed.
Highly recommended using rule on servers, due to high usage of clipboard utilities on user workstations.
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SigmaHQ Detections@sigmaHQ
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SigmaHQ
2 years ago
000
Potential adversaries accessing the microphone and webcam in an endpoint.
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SigmaHQ Detections@sigmaHQ
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SigmaHQ
2 years ago
000
Detects suspicious local connections via a named pipe to the AD FS configuration database (Windows Internal Database).
Used to access information such as the AD FS configuration settings which contains sensitive information used to sign SAML tokens.
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SigmaHQ Detections@sigmaHQ
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SigmaHQ
2 years ago
000
Detects PowerShell scripts that make use of the "Compress-Archive" Cmdlet in order to compress folders and files where the output is stored in a potentially suspicious location that is used often by malware for exfiltration.
An adversary might compress data (e.g., sensitive documents) that is collected prior to exfiltration in order to make it portable and minimize the amount of data sent over the network.
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SigmaHQ Detections@sigmaHQ
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SigmaHQ
2 years ago
000
A General detection for the Get-Clipboard commands in PowerShell logs. This could be an adversary capturing clipboard contents.
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SigmaHQ Detections@sigmaHQ
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SigmaHQ
2 years ago
000
Detects PowerShell scripts that make use of the "Compress-Archive" Cmdlet in order to compress folders and files where the output is stored in a potentially suspicious location that is used often by malware for exfiltration.
An adversary might compress data (e.g., sensitive documents) that is collected prior to exfiltration in order to make it portable and minimize the amount of data sent over the network.
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SigmaHQ Detections@sigmaHQ
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SigmaHQ
2 years ago
000
Detects PowerShell scripts that contains reference to keystroke capturing functions
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SigmaHQ Detections@sigmaHQ
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SigmaHQ
2 years ago
000
Detects audio capture via PowerShell Cmdlet.
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SigmaHQ Detections@sigmaHQ
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SigmaHQ
2 years ago
000
Detects execution of Windows Problem Steps Recorder (psr.exe), a utility used to record the user screen and clicks.
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SigmaHQ Detections@sigmaHQ
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SigmaHQ
2 years ago
000
Detects the use of rar.exe, on the command line, to create an archive with password protection or with a specific compression level. This is pretty indicative of malicious actions.
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SigmaHQ Detections@sigmaHQ
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SigmaHQ
2 years ago
000
Detect attacker collecting audio via SoundRecorder application.
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SigmaHQ Detections@sigmaHQ
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SigmaHQ
2 years ago
000
Detects potentially suspicious SQL queries using SQLCmd targeting the Veeam backup databases in order to steal information.
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SigmaHQ Detections@sigmaHQ
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SigmaHQ
2 years ago
000
Detects execution of WinRAR in order to compress a file with a ".dmp"/".dump" extension, which could be a step in a process of dump file exfiltration.
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SigmaHQ Detections@sigmaHQ
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SigmaHQ
2 years ago
000
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