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Arnold Chan

@slaz
Trusted contributorCompletionist
2 followers2,100 downloads4,386 copies51 likes26,184 views

7,555 detections

Identifies Debian systems running vulnerable versions of the libheif package (versions 1.10.x through 1.21.x) that are susceptible to CVE-2026-32882. This rule uses software inventory data to detect installations requiring an upgrade to version 1.22.0 or higher.
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Arnold Chan@slaz
Defender - KQL
2 months ago
002
Identifies Debian systems running vulnerable versions of the libheif package (versions 1.10.x through 1.21.x) that are susceptible to CVE-2026-32882. This rule uses software inventory data to detect installations requiring an upgrade to version 1.22.0 or higher.
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Arnold Chan@slaz
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Detections.ai Community
2 months ago
002
Detects instances where a user grants OAuth application permissions to GitHub or Slack shortly (within 30 minutes) after signing into a low-trust application (Discourse or OpenAI Community), suggesting a potential session hijacking or trusted-relationship abuse scenario where an attacker leverages an existing SSO session to authorize malicious applications.
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Arnold Chan@slaz
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Detection & Hunting Community
2 months ago
102
Detects network traffic matching a list of known malicious domains and IP addresses observed in CommonSecurityLog events.
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Arnold Chan@slaz
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Detection & Hunting Community
2 months ago
807
Detects successful POST requests to the WordPress admin-ajax.php endpoint utilizing the 'wwlc_file_upload_handler' action with an empty referrer header. This pattern is characteristic of attackers attempting to upload malicious files via vulnerable WordPress plugins to establish web shell persistence.
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Arnold Chan@slaz
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Midnight Slayer
2 months ago
005
Detects successful POST requests to the WordPress admin-ajax.php endpoint utilizing the 'wwlc_file_upload_handler' action with an empty referrer header. This pattern is characteristic of attackers attempting to upload malicious files via vulnerable WordPress plugins to establish web shell persistence.
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Arnold Chan@slaz
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Hunters
2 months ago
005
Detects PHP web shells dropped into wp-content/uploads or plugin directories following WordPress plugin exploitation, characterized by host detail reporting and a browser-based file upload form
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Arnold Chan@slaz
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Detections.ai Community
2 months ago
105
Detects high-frequency outbound TCP connection attempts from a WSO2 API Gateway or Traffic Manager host to multiple sensitive internal management and administrative ports (22, 445, 3389, 5985, 5986). This behavior is indicative of a compromised gateway being used for lateral movement across the network.
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Arnold Chan@slaz
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Detections.ai Community
2 months ago
005
Detects the installation or modification of a browser extension (manifest.json file creation) followed by network activity from the browser to trusted AI assistant domains within a five-minute window. This behavior is indicative of potentially malicious browser extensions or content scripts being introduced to intercept or manipulate user interaction with AI services.
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Arnold Chan@slaz
Defender - KQL
2 months ago
204
Detects instances where a browser process (chrome.exe) accesses the microphone or camera within a 2-minute temporal window of communicating with 'gemini.google.com'. This rule is intended to identify potential unauthorized use of system peripherals in the context of an AI-agent session.
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Arnold Chan@slaz
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Detections.ai Community
2 months ago
004
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