Detections
Explore public detection logic contributed by the community across SIEM and rule languages.
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Detects the execution of the MinIO Client (mc.exe) on Windows with command-line arguments indicating the interaction with external or arbitrary bucket and endpoint locations. This behavior is indicative of an attacker staging or exfiltrating data to an external S3-compatible cloud storage provider.
Detects the execution of the MinIO Client (mc.exe) on Windows with command-line arguments indicating the interaction with external or arbitrary bucket and endpoint locations. This behavior is indicative of an attacker staging or exfiltrating data to an external S3-compatible cloud storage provider.
Detects anomalous post-authentication activity in n8n where the authentication issuer for an account changes from historical norms. This identifies potential account takeover (ATO) scenarios where a hijacked token or cross-issuer session is used to perform lateral movement, workflow manipulation, credential access, or data exfiltration, consistent with behaviors associated with vulnerabilities like CVE-2026-59208.
Detects anomalous Redis network traffic containing structures associated with GigaWiper, specifically monitoring for 'cmd.Result' fields used by the malware to exfiltrate command output from compromised systems to a C2 server.
Detects anomalous activity in Microsoft 365 calendar events where potential C2 data is exfiltrated or synchronized. This is identified by the creation or modification of calendar events containing suspicious file names (e.g., File0.txt, File1.txt) or specific command-and-control markers within the event subject.
Detects anomalous, automated data exfiltration cycles in Microsoft 365 environments consistent with the Helix threat group. The rule identifies a pattern of successful sign-ins followed within 6 hours by new MFA registration, suspicious SharePoint enumeration, and a high-frequency, non-human-paced burst of file downloads.
Detects various stages of the Armored Likho APT campaign using the BusySnake stealer, including lure archive delivery, NSIS droppers, LNK shortcut abuse, PowerShell-based staging, VBScript persistence, scheduled task creation, reverse SSH tunneling, and exfiltration of browser and communication artifacts.
Anomalously large outbound transfers over the WebRTC DataChannel from a Chrome/Edge process launched with --headless and --remote-debugging-port flags (no visible window), indicating exfiltration rather than routine interactive or automation-only browser use.
Detects anomalous activity in Microsoft 365 calendar events where potential C2 data is exfiltrated or synchronized. This is identified by the creation or modification of calendar events containing suspicious file names (e.g., File0.txt, File1.txt) or specific command-and-control markers within the event subject.
Detects outbound HTTP POST requests destined for 'webhook.site' containing the string 'secret' in the request body. This is a common pattern used by attackers to exfiltrate small amounts of sensitive data or credentials to a public web service for collection.
Detects outbound HTTP POST requests containing the word 'secret' in the request body directed to the external service 'webhook.site', which is often used by adversaries for quick data exfiltration or testing during post-exploitation activities.
Detects outbound network traffic established to an *.ngrok.io domain, which is frequently used by adversaries to create secure tunnels for command and control (C2) or unauthorized data exfiltration.
Detects periodic, repetitive TLS network connections from internal hosts to external destinations using threshold-based analysis. This pattern is indicative of potential command-and-control (C2) beaconing, which may be used for exfiltrating stolen credentials or sensitive data from build or developer environments.
This rule detects network traffic originating from the internal network directed towards a hardcoded IP address associated with the CrashStealer malware. The rule flags outbound traffic to this specific destination, which is indicative of command and control communication or data exfiltration.
Detects outbound POST requests using the grpc-web+proto content type where the X-Request-Id header contains a base64-encoded JSON blob. This pattern is associated with exfiltrating sensitive data, such as mnemonic phrases or private keys, to a malicious endpoint masquerading as an Injective testnet gRPC-web node.
Detects the execution of the 's5cmd' tool from the 'C:\ProgramData' directory. 's5cmd' is a common command-line tool used for interacting with object storage systems like Amazon S3 and is frequently leveraged by attackers for data exfiltration due to its efficiency.
Detects outbound network traffic containing the specific string 'Secret: ' using raw TCP, often indicative of data exfiltration or unauthorized command-and-control communication via tunneling tools like netcat or ngrok.
Detects network connections to Zoho WorkDrive (workdrive.zoho.com) initiated by processes other than standard web browsers. This activity may indicate the use of unauthorized or automated tools to access cloud storage, potentially for data exfiltration or staging.
Detects the execution of the MinIO Client (mc.exe) on Windows with command-line arguments indicating the interaction with external or arbitrary bucket and endpoint locations. This behavior is indicative of an attacker staging or exfiltrating data to an external S3-compatible cloud storage provider.
Detects anomalous Redis network traffic containing structures associated with GigaWiper, specifically monitoring for 'cmd.Result' fields used by the malware to exfiltrate command output from compromised systems to a C2 server.
Detects anomalous Redis network traffic containing structures associated with GigaWiper, specifically monitoring for 'cmd.Result' fields used by the malware to exfiltrate command output from compromised systems to a C2 server.
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