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Arnold Chan

@slaz
Trusted contributorCompletionist
2 followers2,099 downloads4,316 copies51 likes25,737 views

7,544 detections

Detects anomalous reuse of an authenticated Microsoft 365 session cookie shortly after a successful MFA-satisfied sign-in. The detection identifies scenarios where the subsequent access originates from a different IP address, device, or user agent without an intervening MFA challenge, which is a pattern indicative of session hijacking techniques like Adversary-in-the-Middle (AiTM) or session token replay.
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Arnold Chan@slaz
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Detections.ai Community
2 months ago
3012
Detects Terraform processes (init or apply) executed in conjunction with suspicious post-deployment indicators, such as references to '.terraform' folders, execution of automation scripts like 'dlp.sh' or 'dlp-docker.sh', or access to sensitive telemetry data external to typical infrastructure management.
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Arnold Chan@slaz
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Detections.ai Community
2 months ago
000
This rule detects process command line arguments that include the string 'data.external.telemetry', which may indicate the use of specialized tools, telemetry collection agents, or unauthorized data exfiltration channels.
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Arnold Chan@slaz
Defender - KQL
2 months ago
000
Detects the creation of tar archives within the Coder database during a specific window associated with rogue IP activity, where the file creation was performed by a system-level process.
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Arnold Chan@slaz
Defender - KQL
2 months ago
000
Detects the creation of tar archives within the Coder database during a specific window associated with rogue IP activity, where the file creation was performed by a system-level process.
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Arnold Chan@slaz
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Detections.ai Community
2 months ago
000
Detects the presence of a specific sentinel string 'data.external.telemetry' within Terraform provisioner job logs, which indicates the execution of unauthorized data-collection logic within a compromised or backdoored Terraform module.
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Arnold Chan@slaz
Defender - KQL
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
Defender - KQL
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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Detection & Hunting Community
2 months ago
000
Detects non-interactive sign-in events involving OIDC or external authentication tokens shortly after a known Coder registry compromise. The rule flags high-risk or at-risk single-factor authentication sessions, which may indicate the replay of stolen tokens harvested during the compromise window.
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Arnold Chan@slaz
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Detection & Hunting Community
2 months ago
000
This rule detects the execution of specific DLP-related shell scripts (dlp.sh, dlp-docker.sh) being invoked by Terraform processes. This pattern may indicate suspicious automated infrastructure configuration or an attempt to bypass security controls by leveraging IaC tools to execute scripts.
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Arnold Chan@slaz
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Detection & Hunting Community
2 months ago
000
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