Detections

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

72 detections

Indicates that a password spray attack has been successfully performed.
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SigmaHQ Detections@sigmaHQ
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SigmaHQ
2 years ago
004
Indicates the SAML token issuer for the associated SAML token is potentially compromised. The claims included in the token are unusual or match known attacker patterns
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SigmaHQ Detections@sigmaHQ
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SigmaHQ
2 years ago
002
Indicates access attempt to the PRT resource which can be used to move laterally into an organization or perform credential theft
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SigmaHQ Detections@sigmaHQ
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SigmaHQ
2 years ago
001
Detects when a Microsoft Cloud App Security reported when users were active from an IP address that has been identified as an anonymous proxy IP address.
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SigmaHQ Detections@sigmaHQ
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SigmaHQ
2 years ago
001
Indicates sign-in from a malicious IP address based on high failure rates.
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SigmaHQ Detections@sigmaHQ
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SigmaHQ
2 years ago
000
Indicates sign-in from a malicious IP address known to be malicious at time of sign-in.
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SigmaHQ Detections@sigmaHQ
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SigmaHQ
2 years ago
000
Detects when a Microsoft Cloud App Security reported users were active from an IP address identified as risky by Microsoft Threat Intelligence.
These IP addresses are involved in malicious activities, such as Botnet C&C, and may indicate compromised account.
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SigmaHQ Detections@sigmaHQ
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SigmaHQ
2 years ago
000
Detects when a Microsoft Cloud App Security reported when an activity occurs from a location that wasn't recently or never visited by any user in the organization.
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SigmaHQ Detections@sigmaHQ
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SigmaHQ
2 years ago
000
Detects when a Microsoft Cloud App Security reported when a user uploads files to the cloud that might be infected with ransomware.
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SigmaHQ Detections@sigmaHQ
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SigmaHQ
2 years ago
000
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