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Arnold Chan

@slaz
Trusted contributorCompletionist
2 followers2,100 downloads4,386 copies51 likes26,185 views

7,555 detections

Detects the use of PowerShell to add Microsoft Defender exclusions (paths or extensions) where the process was initiated by or involves LockAppHost.exe. This behavior is indicative of an attempt to bypass security protections by excluding malicious artifacts from scanning.
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Arnold Chan@slaz
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Hunters
2 months ago
005
This rule detects the addition of specific suspicious executables to Windows Registry run keys. Adversaries use these keys to achieve persistence, ensuring that malicious programs execute automatically upon user logon.
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Arnold Chan@slaz
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Hunters
2 months ago
105
Detects Node.js or Electron processes executing a command to list installed applications while originating from or residing within suspicious, writable directories such as Temp, AppData, or Public folders, which is a common pattern for reconnaissance by malicious software or droppers.
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Arnold Chan@slaz
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Hunters
2 months ago
205
Detects attempts to access or create copies of the Active Directory 'ntds.dit' database or the Windows Security Account Manager (SAM) registry hive using unauthorized processes. Attackers often target these files to extract credential hashes from Domain Controllers or local systems.
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Arnold Chan@slaz
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Hunters
2 months ago
205
Detects unauthenticated requests to the WordPress admin-ajax.php endpoint utilizing the 'super_create_nonce' action. This action allows an unauthenticated user to generate a valid session nonce, which is a critical bypass mechanism often required for the exploitation of vulnerabilities within the Super Forms plugin, such as CVE-2026-14894.
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Arnold Chan@slaz
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Hunters
2 months ago
005
Detects the creation or renaming of files with an 'ELAM' (Early Launch Anti-Malware) naming convention pattern outside of standard system driver directories, performed by processes that are not verified Microsoft-signed binaries. This may indicate an attempt to install or masquerade as a boot-start driver for persistence or subverting security controls.
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Arnold Chan@slaz
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Hunters
2 months ago
105
Detects anomalous credential retrieval activity occurring within 30 minutes of a GitLab Duo Chat GraphQL subscription request. This pattern is indicative of potential exploitation of CVE-2026-87719, which involves insecure deserialization within the GitLab EE GraphQL subscription serializer to facilitate unauthorized credential access.
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Arnold Chan@slaz
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Hunters
2 months ago
005
Detects automated directory fuzzing attempts against Azure Storage blobs targeting sensitive files like .env, .pem, or configuration files. The rule identifies suspicious activity by aggregating requests from Anonymous or SAS-authenticated sources that exhibit high request volumes and access to multiple distinct sensitive paths, while excluding known legitimate bulk-transfer and synchronization tools.
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Arnold Chan@slaz
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Hunters
2 months ago
005
Detects attempts by non-privileged (non-PROXY_ADMIN) API keys to modify pass-through routes in LiteLLM via configuration update endpoints. This activity is indicative of exploitation of CVE-2026-35029, which allows unauthenticated or low-privilege users to bypass configuration restrictions.
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Arnold Chan@slaz
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Hunters
2 months ago
005
Detects repeated authentication attempts over PPTP (port 1723) or L2TP (port 1701) protocols originating from an external network, indicative of potential brute-force activity against remote access services.
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Arnold Chan@slaz
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Detection & Hunting Community
2 months ago
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