Detections

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

18,128 detections

Detects COR_PROFILER environment variable abuse for .NET DLL hijacking
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Darshan Thummar@Mighty
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Detections.ai Community
5 months ago
003
Detects modification of PATH environment variable for binary hijacking
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Darshan Thummar@Mighty
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Detections.ai Community
5 months ago
003
Detects executables signed with invalid or self-signed certificates for masquerading
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Darshan Thummar@Mighty
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Detections.ai Community
5 months ago
003
Detects bcdedit modification to boot in safe mode to bypass security tools
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Darshan Thummar@Mighty
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Detections.ai Community
5 months ago
003
Detects KernelCallbackTable manipulation for process injection via kernel callback
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Darshan Thummar@Mighty
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Detections.ai Community
5 months ago
003
Detects reflective DLL loading technique that avoids writing files to disk
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Darshan Thummar@Mighty
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Detections.ai Community
5 months ago
003
Detects commands used to disable or impair security defenses
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Darshan Thummar@Mighty
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Detections.ai Community
5 months ago
003
Detects exploitation of unquoted service paths via SMB file placement
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Darshan Thummar@Mighty
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Detections.ai Community
5 months ago
003
Detects fileless malware storing payloads in registry keys for evasion
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Darshan Thummar@Mighty
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Detections.ai Community
5 months ago
003
Detects legitimate system binaries renamed to evade detection
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Darshan Thummar@Mighty
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Detections.ai Community
5 months ago
003
Detects raw disk volume access used to bypass file system security controls
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Darshan Thummar@Mighty
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Detections.ai Community
5 months ago
003
Detects modification of cloud compute infrastructure to evade detection or remove evidence
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Darshan Thummar@Mighty
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Detections.ai Community
5 months ago
003
Detects commands used to reflash component firmware for deep persistence
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Darshan Thummar@Mighty
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Detections.ai Community
5 months ago
003
Detects PowerShell command obfuscation techniques used to evade detection
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Darshan Thummar@Mighty
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Detections.ai Community
5 months ago
003
Detects LD_PRELOAD environment variable set to load malicious shared libraries
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Darshan Thummar@Mighty
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Detections.ai Community
5 months ago
003
Detects base64 encoded payloads in HTTP request bodies indicating obfuscation
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Darshan Thummar@Mighty
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Detections.ai Community
5 months ago
003
Detects creation of Intune device management scripts, a potential privilege abuse vector.
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Ankit Mehta@Secvyn
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Detections.ai Community
5 months ago
2010
This rule detects potential sandbox evasion techniques by identifying HTTP traffic containing specific API calls often used by malware to determine if it's running in a sandboxed environment. Specifically, it looks for the 'GetForegroundWindow' function, which retrieves a handle to the foreground window, and the 'Sleep' function, which can be used to delay execution and bypass time-based sandbox analysis. The combination of these two indicates an attempt to check for user interaction and evade detection.
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Darshan Thummar@Mighty
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Detections.ai Community
5 months ago
005
This rule detects attempts to perform raw disk access via SSH, specifically looking for the 'dd if=/dev/sd' command within SSH traffic. This activity could indicate an attacker trying to bypass volume-based security controls or exfiltrate data directly from disk partitions.
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Darshan Thummar@Mighty
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Detections.ai Community
5 months ago
105
This rule detects HTTP responses (flow:to_client) that contain specific strings indicative of an environment-keyed payload checking the domain before execution. Specifically, it looks for the case-insensitive strings "GetComputerNameEx" and "NetworkDomain" within the file data of the HTTP response. This behavior is often associated with malware attempting to determine its execution environment to evade analysis or target specific systems.
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Darshan Thummar@Mighty
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Detections.ai Community
5 months ago
005
This rule detects HTTP requests where the URI contains the string "%comspec%" (case-insensitive). This pattern is often used by attackers to obfuscate command execution, specifically by referencing the command interpreter (cmd.exe) via an environment variable, as part of defense evasion tactics. The rule is specifically looking for this string within the URI of an HTTP request flowing from the internal network to an external server.
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Darshan Thummar@Mighty
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Detections.ai Community
5 months ago
005
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