Detections
Explore public detection logic contributed by the community across SIEM and rule languages.
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Identifies when the default Amazon Elastic Block Store (EBS) encryption is disabled in a specific AWS region. Disabling default encryption does not affect existing volumes but means newly created volumes will not be encrypted by default, potentially impacting data confidentiality and integrity.
This rule detects attempts to export an AWS EC2 instance, specifically when the 'CreateInstanceExportTask' event is logged in AWS CloudTrail. This action can be an indicator of an adversary attempting to exfiltrate data from a compromised EC2 instance by exporting it as a virtual machine image. The rule specifically looks for successful export task creations, filtering out events that contain error messages or codes, or indicate a 'Failure' in the response elements.
This rule detects when an AWS RDS database instance is restored from a snapshot and configured to be publicly accessible. This activity could indicate an attempt to exfiltrate data by making a copy of a database publicly available.
Detects changes to the EC2 instance startup script (User Data). The shell script will be executed as root/SYSTEM every time the specific instances are booted up, allowing for persistence and execution of arbitrary commands.
This rule detects attempts to modify or delete findings and insights within AWS SecurityHub. Adversaries may do this to evade detection by removing or altering security alerts generated by SecurityHub, thereby hindering defensive mechanisms and obscuring their activities. The rule specifically looks for 'BatchUpdateFindings', 'DeleteInsight', 'UpdateFindings', and 'UpdateInsight' events originating from 'securityhub.amazonaws.com'.
This rule identifies when a device or device configuration is modified or deleted within Azure. This activity is logged in Azure Activity Logs and can indicate administrative changes, potential misconfigurations, or malicious activity aimed at impacting the availability or integrity of cloud resources.
Detects when an AWS Elastic Container Service (ECS) Task Definition is created, described, or run, and its container definition includes a command that queries the AWS container credential endpoint. This activity can indicate an adversary attempting to establish persistence or escalate privileges by backdooring task definitions to extract credentials.
Detects when a Google Cloud SQL database instance or its user accounts are created, deleted, or modified. This can indicate malicious activity such as data destruction, unauthorized access attempts, or attempts to disrupt services.
Detects when Microsoft Cloud App Security reports user activity originating from an IP address identified as an anonymous proxy. This indicates potential attempts to obscure the true source of network connections, which could be used for malicious purposes such as bypassing security controls or maintaining anonymity during an attack.
This rule identifies when a new Azure Cloud Shell instance is created within the Azure portal. Cloud Shell provides a browser-based shell experience for managing Azure resources, and its creation could indicate administrative activity, or potentially, an attacker establishing a persistent command-line environment within a compromised Azure subscription.
This rule identifies when an Amazon Elastic Kubernetes Service (EKS) cluster is either created or deleted. Monitoring these events can help detect unauthorized infrastructure changes, potential resource exhaustion, or malicious activity aimed at disrupting services or destroying data within a cloud environment.
Detects when events are deleted in Azure Kubernetes. An adversary may delete events in Azure Kubernetes in an attempt to evade detection by removing forensic evidence.
Identifies when a service principal is created in Azure. This activity can be an indicator of an adversary establishing persistence or preparing for further actions within the Azure environment.
Detects the creation, deletion, or update of AWS Glue Development Endpoints. This activity can be indicative of privilege escalation attempts or unauthorized resource manipulation within an AWS environment, as development endpoints provide an interactive environment for data processing.
This rule identifies when a DNS Zone is either modified or deleted within Google Cloud Platform. This activity is captured through specific Google Cloud DNS API calls: 'Dns.ManagedZones.Delete', 'Dns.ManagedZones.Update', and 'Dns.ManagedZones.Patch'. Such actions can indicate malicious activity aimed at disrupting services or redirecting traffic, or legitimate administrative changes.
This rule identifies activities related to Google Cloud Platform (GCP) Packet Mirroring. Packet Mirroring allows capturing full network traffic, which can be abused by adversaries to intercept and collect sensitive data from unencrypted internal network communications. The rule specifically looks for various API calls related to the creation, modification, deletion, or listing of Packet Mirroring configurations.
Detects when Microsoft Cloud App Security reports an activity originating from a country that has not been recently or ever visited by any user within the organization. This indicates potential unauthorized access or anomalous user behavior from an unusual geographic location.
Detects when an IP set is created in AWS GuardDuty. This activity could indicate an adversary attempting to whitelist their malicious IP addresses to avoid detection by GuardDuty, thereby disabling security alerts against their activities.
Detects when an Amazon Simple Email Service (SES) identity is deleted. This action could be performed by an adversary to remove traces of their activities after using the SES identity for malicious purposes, such as sending spam or phishing emails, aligning with defense evasion tactics.
Detects when an AWS EFS (Elastic File System) mount target is deleted. This action can disrupt applications or instances relying on the mounted file system, potentially leading to a denial of service or data unavailability.
Detects when an AWS ElastiCache security group has been created. This action can be used by adversaries to establish persistence or modify network access to ElastiCache resources.
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