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SigmaHQ Detections

@sigmaHQ
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6,797 detections

Detects connections from routable IPs to an RDP listener. Which is indicative of a publicly-accessible RDP service.
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SigmaHQ Detections@sigmaHQ
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SigmaHQ
1 year ago
002
Detects the use of reg.exe to export registry paths associated with third-party credentials. Credential stealers have been known to use this technique to extract sensitive information from the registry.
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SigmaHQ Detections@sigmaHQ
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SigmaHQ
1 year ago
0024
This rule detects processes that query known third-party application registry keys that are known to store credentials. The detection specifically looks for command-line arguments containing paths to registry keys associated with applications like Foxmail, DownloadManager, CoreFTP, IncrediMail, WinSCP, MobaXterm, OpenSSH, OpenVPN, Radmin, Eudora, RealVNC, B2, PuTTY, and TightVNC. This activity often indicates an adversary attempting to discover or extract credentials stored by these applications.
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SigmaHQ Detections@sigmaHQ
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SigmaHQ
1 year ago
0024
Detects DNS queries to domains associated with Katz Stealer malware. Katz Stealer is a malware variant that is known to be used for stealing sensitive information from compromised systems. In Enterprise environments, DNS queries to these domains may indicate potential malicious activity or compromise.
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SigmaHQ Detections@sigmaHQ
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SigmaHQ
1 year ago
0021
Detects the loading of specific DLLs associated with Katz Stealer malware, particularly variants from 2025. The presence and loading of these DLLs strongly indicate malicious activity on the system, as Katz Stealer is known for stealing sensitive information.
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SigmaHQ Detections@sigmaHQ
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SigmaHQ
1 year ago
0018
Detects DNS queries to domains associated with Katz Stealer malware. Katz Stealer is a malware variant known for stealing sensitive information. In enterprise environments, such DNS queries may indicate potential malicious activity or compromise.
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SigmaHQ Detections@sigmaHQ
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SigmaHQ
1 year ago
0018
Detects attempts to execute remote commands, within a Pod's container using e.g. the "kubectl exec" command.
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SigmaHQ Detections@sigmaHQ
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SigmaHQ
1 year ago
001
Detects enumeration of Kubernetes secrets.
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SigmaHQ Detections@sigmaHQ
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SigmaHQ
1 year ago
001
Detects attempts to inject a sidecar container into a running deployment.
A sidecar container is an additional container within a pod, that resides alongside the main container.
One way to add containers to running resources like Deployments/DeamonSets/StatefulSets, is via a "kubectl patch" operation.
By injecting a new container within a legitimate pod, an attacker can run their code and hide their activity, instead of running their own separated pod in the cluster.
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SigmaHQ Detections@sigmaHQ
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SigmaHQ
1 year ago
001
Detects instances where an FTP service on an OpenCanary node has had a login attempt.
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SigmaHQ Detections@sigmaHQ
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SigmaHQ
1 year ago
001
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