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Arnold Chan

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

7,555 detections

Detects indicators of compromise related to the TraderTraitor (KelpDAO) threat actor, including specific file hashes, malicious process paths, C2 network infrastructure (IPs and domains), and malicious TLS certificates. The rule uses filename-path matching to reduce noise from legitimate macOS binaries.
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Arnold Chan@slaz
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Midnight Slayer
1 month ago
201
Detects indicators of compromise related to the TraderTraitor (KelpDAO) threat actor, including specific file hashes, malicious process paths, C2 network infrastructure (IPs and domains), and malicious TLS certificates. The rule uses filename-path matching to reduce noise from legitimate macOS binaries.
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Arnold Chan@slaz
Defender - KQL
1 month ago
001
Detects indicators of compromise related to the TraderTraitor (KelpDAO) threat actor, including specific file hashes, malicious process paths, C2 network infrastructure (IPs and domains), and malicious TLS certificates. The rule uses filename-path matching to reduce noise from legitimate macOS binaries.
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Arnold Chan@slaz
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Detections.ai Community
1 month ago
001
Detects high-volume authentication attempts against Fortinet network appliances where multiple distinct source IPs successfully authenticate against multiple distinct accounts matching specific administrative naming patterns. This pattern is indicative of potential credential stuffing or brute-force campaigns targeting edge infrastructure.
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Arnold Chan@slaz
Defender - KQL
2 months ago
706
Detects rapid mass-cloning or downloading of private GitHub repositories shortly after an OAuth token authorization, originating from IP addresses or countries not previously associated with the user account. This behavior is indicative of unauthorized bulk data extraction using compromised credentials, consistent with threat actor activity (e.g., TeamPCP/UNC6780).
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Arnold Chan@slaz
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Detections.ai Community
2 months ago
002
Detects the creation and immediate deletion of a GitHub OAuth token that is used to clone or fetch a large volume of private repositories within a short lifespan. This behavior is indicative of an adversary using a temporary, ephemeral token to perform rapid data exfiltration or mass reconnaissance on source code repositories.
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Arnold Chan@slaz
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Midnight Slayer
2 months ago
002
This rule detects high-volume, burst-pattern email distribution associated with a 'New VM Received' subject line, originating from non-authorized or non-corporate domains. This behavior is indicative of potential mass phishing or spam campaigns mimicking automated voicemail notifications.
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Arnold Chan@slaz
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Hunters
2 months ago
002
Detects creation of a token.cmd file in AppData followed by its execution via cmd.exe within a 5-minute window.
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Arnold Chan@slaz
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Detection & Hunting Community
2 months ago
001
Detects a process that deletes its own executable or script file within a short time window after launch, which is a technique used by some implants.
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Arnold Chan@slaz
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Detection & Hunting Community
2 months ago
001
Detects suspicious PowerShell commands involving node.js, hidden window styles, and file downloads or transfers.
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Arnold Chan@slaz
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Detection & Hunting Community
2 months ago
001
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