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Arnold Chan

@slaz
Trusted contributorCompletionist
2 followers2,100 downloads4,383 copies51 likes26,140 views

7,555 detections

Detects a GitLab personal access token used from multiple distinct source IPs or from IPs associated with the leaked gitlab-triage token, inconsistent with expected CI runner infrastructure.
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Arnold Chan@slaz
Defender - KQL
2 months ago
003
Detects unreviewed commits to .gitlab-ci.yml that alter how the gitlab-triage tool invokes the sensitive API_TOKEN variable, with no associated merge request.
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Arnold Chan@slaz
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Detections.ai Community
2 months ago
003
Detects a single GitLab token/account holding Owner-level access across an unusually large number of projects (50+), the standing-privilege condition that turned one leaked token into a 55-project supply-chain exposure.
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Arnold Chan@slaz
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Detection & Hunting Community
2 months ago
003
Detects anomalous sign-in behavior where a device code authentication flow is initiated from one location, but the resulting session is replayed from a different IP address in a different country within a one-hour window. This behavior is indicative of an adversary capturing an authentication token via a device code phishing or relay attack and attempting to use it from their own infrastructure to bypass conditional access policies and MFA.
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Arnold Chan@slaz
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Midnight Slayer
2 months ago
704
Detects network activity associated with the Mantax/Otax Android malware family, specifically identifying C2 communication to the domain apimantax.otax.fun via TLS SNI and HTTP host headers, as well as potential dynamic C2 configuration retrieval via GitHub using the OkHttp client.
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Arnold Chan@slaz
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Midnight Slayer
2 months ago
003
Detects high-value wire transfers (>= €600,000) directed to beneficiaries in Hong Kong that contain suspicious memo or description fields related to confidential acquisitions or professional service retainers, potentially indicating business email compromise (BEC) or fraudulent financial activity.
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Arnold Chan@slaz
Defender - KQL
2 months ago
003
Detects high-value wire transfers (>= €600,000) directed to beneficiaries in Hong Kong that contain suspicious memo or description fields related to confidential acquisitions or professional service retainers, potentially indicating business email compromise (BEC) or fraudulent financial activity.
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Arnold Chan@slaz
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Detections.ai Community
2 months ago
003
Detects forged Citibank payment confirmation/account statement PDFs used in Phantom Deal BPC fraud to falsely demonstrate wire transfer progress; requires combination of bank branding with fraud-specific SWIFT/routing/CTA artifacts
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Arnold Chan@slaz
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Detection & Hunting Community
2 months ago
003
This rule detects potential execution of malicious files from removable media (e.g., USB drives). It monitors for a sequence of events where a removable drive is mounted, a file is subsequently created on that drive, and then that same file is executed within a short time window.
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Arnold Chan@slaz
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Detections.ai Community
2 months ago
002
This rule detects potential execution of malicious files from removable media (e.g., USB drives). It monitors for a sequence of events where a removable drive is mounted, a file is subsequently created on that drive, and then that same file is executed within a short time window.
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Arnold Chan@slaz
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Detection & Hunting Community
2 months ago
002
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