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Merge pull request #245998 from berlihie/patch-8
Update alerts-reference.md
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‎articles/defender-for-cloud/alerts-reference.md‎

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@@ -424,18 +424,18 @@ Microsoft Defender for Containers provides security alerts on the cluster level
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| Alert (alert type) | Description | MITRE tactics<br>([Learn more](#intentions)) | Severity |
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|-------------------------------------------------------------------------------------------------------------------|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|:--------------------------------------------:|----------|
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| **Anomalous network protocol usage**<br>(AzureDNS_ProtocolAnomaly) | Analysis of DNS transactions from %{CompromisedEntity} detected anomalous protocol usage. Such traffic, while possibly benign, may indicate abuse of this common protocol to bypass network traffic filtering. Typical related attacker activity includes copying remote administration tools to a compromised host and exfiltrating user data from it. | Exfiltration | - |
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| **Anonymity network activity**<br>(AzureDNS_DarkWeb) | Analysis of DNS transactions from %{CompromisedEntity} detected anonymity network activity. Such activity, while possibly legitimate user behavior, is frequently employed by attackers to evade tracking and fingerprinting of network communications. Typical related attacker activity is likely to include the download and execution of malicious software or remote administration tools. | Exfiltration | - |
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| **Anonymity network activity using web proxy**<br>(AzureDNS_DarkWebProxy) | Analysis of DNS transactions from %{CompromisedEntity} detected anonymity network activity. Such activity, while possibly legitimate user behavior, is frequently employed by attackers to evade tracking and fingerprinting of network communications. Typical related attacker activity is likely to include the download and execution of malicious software or remote administration tools. | Exfiltration | - |
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| **Attempted communication with suspicious sinkholed domain**<br>(AzureDNS_SinkholedDomain) | Analysis of DNS transactions from %{CompromisedEntity} detected request for sinkholed domain. Such activity, while possibly legitimate user behavior, is frequently an indication of the download or execution of malicious software. Typical related attacker activity is likely to include the download and execution of further malicious software or remote administration tools. | Exfiltration | - |
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| **Communication with possible phishing domain**<br>(AzureDNS_PhishingDomain) | Analysis of DNS transactions from %{CompromisedEntity} detected a request for a possible phishing domain. Such activity, while possibly benign, is frequently performed by attackers to harvest credentials to remote services. Typical related attacker activity is likely to include the exploitation of any credentials on the legitimate service. | Exfiltration | - |
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| **Communication with suspicious algorithmically generated domain**<br>(AzureDNS_DomainGenerationAlgorithm) | Analysis of DNS transactions from %{CompromisedEntity} detected possible usage of a domain generation algorithm. Such activity, while possibly benign, is frequently performed by attackers to evade network monitoring and filtering. Typical related attacker activity is likely to include the download and execution of malicious software or remote administration tools. | Exfiltration | - |
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| **Anonymity network activity**<br>(AzureDNS_DarkWeb) | Analysis of DNS transactions from %{CompromisedEntity} detected anonymity network activity. Such activity, while possibly legitimate user behavior, is frequently employed by attackers to evade tracking and fingerprinting of network communications. Typical related attacker activity is likely to include the download and execution of malicious software or remote administration tools. | Exfiltration | Low |
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| **Anonymity network activity using web proxy**<br>(AzureDNS_DarkWebProxy) | Analysis of DNS transactions from %{CompromisedEntity} detected anonymity network activity. Such activity, while possibly legitimate user behavior, is frequently employed by attackers to evade tracking and fingerprinting of network communications. Typical related attacker activity is likely to include the download and execution of malicious software or remote administration tools. | Exfiltration | Low |
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| **Attempted communication with suspicious sinkholed domain**<br>(AzureDNS_SinkholedDomain) | Analysis of DNS transactions from %{CompromisedEntity} detected request for sinkholed domain. Such activity, while possibly legitimate user behavior, is frequently an indication of the download or execution of malicious software. Typical related attacker activity is likely to include the download and execution of further malicious software or remote administration tools. | Exfiltration | Medium |
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| **Communication with possible phishing domain**<br>(AzureDNS_PhishingDomain) | Analysis of DNS transactions from %{CompromisedEntity} detected a request for a possible phishing domain. Such activity, while possibly benign, is frequently performed by attackers to harvest credentials to remote services. Typical related attacker activity is likely to include the exploitation of any credentials on the legitimate service. | Exfiltration | Low |
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| **Communication with suspicious algorithmically generated domain**<br>(AzureDNS_DomainGenerationAlgorithm) | Analysis of DNS transactions from %{CompromisedEntity} detected possible usage of a domain generation algorithm. Such activity, while possibly benign, is frequently performed by attackers to evade network monitoring and filtering. Typical related attacker activity is likely to include the download and execution of malicious software or remote administration tools. | Exfiltration | Low |
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| **Communication with suspicious domain identified by threat intelligence**<br>(AzureDNS_ThreatIntelSuspectDomain) | Communication with suspicious domain was detected by analyzing DNS transactions from your resource and comparing against known malicious domains identified by threat intelligence feeds. Communication to malicious domains is frequently performed by attackers and could imply that your resource is compromised. | Initial Access | Medium |
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| **Communication with suspicious random domain name**<br>(AzureDNS_RandomizedDomain) | Analysis of DNS transactions from %{CompromisedEntity} detected usage of a suspicious randomly generated domain name. Such activity, while possibly benign, is frequently performed by attackers to evade network monitoring and filtering. Typical related attacker activity is likely to include the download and execution of malicious software or remote administration tools. | Exfiltration | - |
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| **Digital currency mining activity**<br>(AzureDNS_CurrencyMining) | Analysis of DNS transactions from %{CompromisedEntity} detected digital currency mining activity. Such activity, while possibly legitimate user behavior, is frequently performed by attackers following compromise of resources. Typical related attacker activity is likely to include the download and execution of common mining tools. | Exfiltration | - |
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| **Network intrusion detection signature activation**<br>(AzureDNS_SuspiciousDomain) | Analysis of DNS transactions from %{CompromisedEntity} detected a known malicious network signature. Such activity, while possibly legitimate user behavior, is frequently an indication of the download or execution of malicious software. Typical related attacker activity is likely to include the download and execution of further malicious software or remote administration tools. | Exfiltration | - |
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| **Possible data download via DNS tunnel**<br>(AzureDNS_DataInfiltration) | Analysis of DNS transactions from %{CompromisedEntity} detected a possible DNS tunnel. Such activity, while possibly legitimate user behavior, is frequently performed by attackers to evade network monitoring and filtering. Typical related attacker activity is likely to include the download and execution of malicious software or remote administration tools. | Exfiltration | - |
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| **Possible data exfiltration via DNS tunnel**<br>(AzureDNS_DataExfiltration) | Analysis of DNS transactions from %{CompromisedEntity} detected a possible DNS tunnel. Such activity, while possibly legitimate user behavior, is frequently performed by attackers to evade network monitoring and filtering. Typical related attacker activity is likely to include the download and execution of malicious software or remote administration tools. | Exfiltration | - |
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| **Possible data transfer via DNS tunnel**<br>(AzureDNS_DataObfuscation) | Analysis of DNS transactions from %{CompromisedEntity} detected a possible DNS tunnel. Such activity, while possibly legitimate user behavior, is frequently performed by attackers to evade network monitoring and filtering. Typical related attacker activity is likely to include the download and execution of malicious software or remote administration tools. | Exfiltration | - |
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| **Communication with suspicious random domain name**<br>(AzureDNS_RandomizedDomain) | Analysis of DNS transactions from %{CompromisedEntity} detected usage of a suspicious randomly generated domain name. Such activity, while possibly benign, is frequently performed by attackers to evade network monitoring and filtering. Typical related attacker activity is likely to include the download and execution of malicious software or remote administration tools. | Exfiltration | Low |
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| **Digital currency mining activity**<br>(AzureDNS_CurrencyMining) | Analysis of DNS transactions from %{CompromisedEntity} detected digital currency mining activity. Such activity, while possibly legitimate user behavior, is frequently performed by attackers following compromise of resources. Typical related attacker activity is likely to include the download and execution of common mining tools. | Exfiltration | Low |
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| **Network intrusion detection signature activation**<br>(AzureDNS_SuspiciousDomain) | Analysis of DNS transactions from %{CompromisedEntity} detected a known malicious network signature. Such activity, while possibly legitimate user behavior, is frequently an indication of the download or execution of malicious software. Typical related attacker activity is likely to include the download and execution of further malicious software or remote administration tools. | Exfiltration | Medium |
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| **Possible data download via DNS tunnel**<br>(AzureDNS_DataInfiltration) | Analysis of DNS transactions from %{CompromisedEntity} detected a possible DNS tunnel. Such activity, while possibly legitimate user behavior, is frequently performed by attackers to evade network monitoring and filtering. Typical related attacker activity is likely to include the download and execution of malicious software or remote administration tools. | Exfiltration | Low |
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| **Possible data exfiltration via DNS tunnel**<br>(AzureDNS_DataExfiltration) | Analysis of DNS transactions from %{CompromisedEntity} detected a possible DNS tunnel. Such activity, while possibly legitimate user behavior, is frequently performed by attackers to evade network monitoring and filtering. Typical related attacker activity is likely to include the download and execution of malicious software or remote administration tools. | Exfiltration | Low |
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| **Possible data transfer via DNS tunnel**<br>(AzureDNS_DataObfuscation) | Analysis of DNS transactions from %{CompromisedEntity} detected a possible DNS tunnel. Such activity, while possibly legitimate user behavior, is frequently performed by attackers to evade network monitoring and filtering. Typical related attacker activity is likely to include the download and execution of malicious software or remote administration tools. | Exfiltration | Low |
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## <a name="alerts-azurestorage"></a>Alerts for Azure Storage

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