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Arnold Chan

@slaz
Trusted contributorCompletionist
2 followers2,099 downloads4,337 copies51 likes25,901 views

7,555 detections

Detects a discrepancy between the SHA256 hash of a running process image (via /proc/<pid>/exe on Linux) and the hash of the corresponding binary file on disk. This behavior is indicative of process memory manipulation, such as fileless execution or binary replacement, where the code currently running in memory does not match the original file on disk.
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Arnold Chan@slaz
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Hunters
2 months ago
000
Detects high-frequency requests for 'tools/list' from a single source IP across multiple unique destination hosts. This pattern is indicative of a breadth-first scan attempting to identify reachable Model Context Protocol (MCP) servers, rather than typical legitimate client-to-server communication.
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Arnold Chan@slaz
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Hunters
2 months ago
000
Detects instances of an mcp-grafana server responding with an HTTP 200 status code to a 'tools/call' request without an Authorization header, indicating potential unauthenticated remote tool execution on a vulnerable or misconfigured server.
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Arnold Chan@slaz
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Hunters
2 months ago
000
Detects Server-Side Request Forgery (SSRF) attempts targeting vulnerable versions of Grafana MCP Server (versions < 1.1.0). The rule identifies requests attempting to access sensitive internal or cloud-metadata endpoints (e.g., 169.254.169.254, localhost, internal subnets) via the X-Grafana-URL header.
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Arnold Chan@slaz
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Hunters
2 months ago
000
KQL Query from file: grafana-mcp-grafanaapirequest-call-without-prior-bearer-auth.kql
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Arnold Chan@slaz
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Hunters
2 months ago
000
Detects instances where the Grafana MCP (Model Context Protocol) server's service account identity executes administrative tools (such as 'grafana_api_request') within a session that lacks a verified, prior authentication event (bearer token). This pattern suggests an adversary may be spoofing or hijacking a privileged service account session to perform unauthorized administrative actions.
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Arnold Chan@slaz
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Hunters
2 months ago
000
No description available.
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Arnold Chan@slaz
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Hunters
2 months ago
000
This rule detects potentially unauthorized access or attempts to copy sensitive SSH keys (e.g., id_rsa, id_ed25519) by command-line utilities (such as cat, cp, tar, scp, or curl) or when triggered by automation-related process names like 'terraform'. It monitors both process command lines and file events to identify staging or exfiltration activities.
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Arnold Chan@slaz
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Hunters
2 months ago
000
Detects execution of Coder-related processes or scripts where sensitive configuration parameters, such as database credentials or authentication tokens, are passed via command-line arguments. This behavior can lead to the exposure of credentials to other users or processes on the system through process listing.
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Arnold Chan@slaz
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Hunters
2 months ago
000
Detects anomalous actions within the Coder registry, such as template creation, version updates, or dry-run/workspace builds with module caching disabled, that occurred during a known registry compromise window on August 31, 2026.
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Arnold Chan@slaz
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Hunters
2 months ago
000
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