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SigmaHQ Detections

@sigmaHQ
12 followers122,429 downloads2,481 copies16 likes159,612 views

6,797 detections

Detects execution of "certmgr" with the "add" flag in order to install a new certificate on the system.
Adversaries may install a root certificate on a compromised system to avoid warnings when connecting to adversary controlled web servers.
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SigmaHQ Detections@sigmaHQ
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SigmaHQ
6 months ago
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Detects when a user installs certificates by using CertOC.exe to loads the target DLL file.
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SigmaHQ Detections@sigmaHQ
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SigmaHQ
6 months ago
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Detects the execution of certutil with either the "decode" or "decodehex" flags to decode base64 or hex encoded files. This can be abused by attackers to decode an encoded payload before execution
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SigmaHQ Detections@sigmaHQ
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SigmaHQ
6 months ago
000
Detects the execution of certutil with certain flags that allow the utility to download files.
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SigmaHQ Detections@sigmaHQ
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SigmaHQ
6 months ago
000
Detects the execution of certutil with certain flags that allow the utility to download files from direct IPs.
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SigmaHQ Detections@sigmaHQ
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SigmaHQ
6 months ago
000
Detects the execution of certutil with the "encode" flag to encode a file to base64. This can be abused by threat actors and attackers for data exfiltration
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SigmaHQ Detections@sigmaHQ
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SigmaHQ
6 months ago
000
Detects the execution of certutil with the "encode" flag to encode a file to base64 where the extensions of the file is suspicious
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SigmaHQ Detections@sigmaHQ
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SigmaHQ
6 months ago
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Detects the execution of certutil with the "encode" flag to encode a file to base64 where the files are located in potentially suspicious locations
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SigmaHQ Detections@sigmaHQ
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SigmaHQ
6 months ago
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Detects the execution of the certutil with the "exportPFX" flag which allows the utility to export certificates.
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SigmaHQ Detections@sigmaHQ
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SigmaHQ
6 months ago
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Detects possible NTLM coercion via certutil using the 'syncwithWU' flag
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SigmaHQ Detections@sigmaHQ
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SigmaHQ
6 months ago
000
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