Detectors

Every Cortex detection rule the toolbox knows about — analytics alerts, BIOCs and correlation rules — in one filterable set.

1677 detectors match the current filters.

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Type Name Severity Module Data source / event ATT&CK
Analytics Suspicious access to cloud credential files A process accessed multiple cloud credential files, which may indicate a credential theft activity. Informational Cortex Cloud XDR Agent with eXtended Threat Hunting (XTH) Credential Access
Analytics Suspicious access to Kubernetes API with kubelet credentials A combination of signals has been detected indicating that kubelet credentials were used inside a pod to access the Kubernetes API. This activity suggests an attempt to escalate privileges or move laterally within the cluster. Low Cortex Cloud XDR Agent with eXtended Threat Hunting (XTH) Exfiltration, Collection
Analytics BIOC Suspicious access to shadow file An unpopular process accessed the shadow file. Informational Platform Analytics XDR Agent with eXtended Threat Hunting (XTH) Credential Access
Analytics BIOC Suspicious account attribute modification that matches that of another account Suspicious account attribute modification that matches that of another account. Low Identity Analytics Windows Event Collector, XDR Agent with eXtended Threat Hunting (XTH) Privilege Escalation, Persistence
Analytics BIOC Suspicious active setup registered The endpoint registered a new active setup, which may be used to gain persistence on the host by loading libraries into the time management service. Informational Platform Analytics XDR Agent with eXtended Threat Hunting (XTH) Persistence
Analytics Suspicious activity indicating a potential abuse of a cloud-native email service A cloud identity performed a sequence of activities which might indicate an intent to abuse the email service to send phishing or spam. Low Cortex Cloud AWS Audit Log, Azure Audit Log Execution
Analytics BIOC Suspicious activity on logging bucket An identity performed a suspicious activity on bucket used to store logs. Informational Cortex Cloud AWS Audit Log Defense Evasion
Analytics BIOC Suspicious AI Dataset Download A model dataset was accessed by an identity that typically doesn't interact with dataset files. MITRE ATLAS Technique: AML.T0035 - ML Artifact Collection. Low Cortex Cloud AWS Audit Log, Azure Audit Log, Gcp Audit Log Impact
Analytics BIOC Suspicious AI Dataset Label Modification AI Dataset labels were modified by an identity that typically doesn't interact with labels. MITRE ATLAS Technique: AML.T0020 - Poison Training Data. OWASP Top 10 LLM Technique: LLM04 - Data and Model Poisoning. Low Cortex Cloud AWS Audit Log, Azure Audit Log, Gcp Audit Log Impact
Analytics BIOC Suspicious AI model usage from a Tor exit node A cloud identity invoked an AI model from a Tor exit node. High Cortex Cloud AWS Audit Log, Gcp Audit Log Command and Control
Analytics BIOC Suspicious AMSI decode attempt A script has executed commands that can be used to decode commands or files. Informational Platform Analytics XDR Agent with eXtended Threat Hunting (XTH) Defense Evasion
BIOC Suspicious AMSI DLL load location An attacker may attempt to load a malicious copy of amsi.dll to bypass Microsoft's Antimalware Scan Interface (AMSI). Low Platform Analytics Module Defense Evasion
Analytics BIOC Suspicious API call from a Tor exit node A cloud API was called from a Tor exit node. High Cortex Cloud AWS Audit Log, Azure Audit Log, Gcp Audit Log, Kubernetes Audit Logs Command and Control, Initial Access
Analytics BIOC Suspicious authentication package registered The endpoint registered a suspicious authentication package, which may be used to gain persistence on the host by loading libraries into the time management service. Medium Platform Analytics XDR Agent Persistence
Analytics BIOC Suspicious authentication with Azure Password Hash Sync user Authentication to an unusual authentication target was performed by the Azure AD Password Hash Sync user. Medium Identity Analytics AzureAD Initial Access, Defense Evasion
Analytics Suspicious AWS SSM parameters retrieval activity An identity dumped multiple AWS SSM parameters from the project. This may indicate an attacker's attempt to dump sensitive information from the cloud environment. Informational Cortex Cloud AWS Audit Log Credential Access, Collection
Analytics BIOC Suspicious Azure AD interactive sign-in using PowerShell A user interactively logged in to Azure AD via PowerShell. Informational Identity Analytics AzureAD Initial Access
Analytics Suspicious Azure enumeration activity An Azure identity performed resource enumeration across multiple services using Microsoft Graph. Medium Cortex Cloud Azure Audit Log, Microsoft Graph Logs Discovery
Analytics BIOC Suspicious brand affiliation detected The sender's name or address suggests association with a recognized brand, but the email address doesn't match established patterns for that brand. Informational Email Security Microsoft 365 Emails Defense Evasion
Analytics BIOC Suspicious certificate template modification A certificate template was updated with a possible misconfiguration. This may indicate the exploitation of misconfigured certificate template access control (ESC4). Informational Identity Analytics Windows Event Collector, XDR Agent with eXtended Threat Hunting (XTH) Credential Access
Analytics BIOC Suspicious Certutil AD CS contact A suspicious occurrence of Certutil attempted to contact the AD CS Request Interface. Low Platform Analytics XDR Agent Discovery, Credential Access
Analytics BIOC Suspicious certutil command line An attacker may use certutil to download malware. Medium Platform Analytics XDR Agent Command and Control, Defense Evasion
Analytics BIOC Suspicious cloud compute instance SSH keys modification attempt An identity attempted to modify the SSH keys of a single compute instance. This may indicate an attacker's attempt to maintain persistence on the cloud instance. Informational Cortex Cloud AWS Audit Log, Azure Audit Log, Gcp Audit Log Persistence, Lateral Movement
Analytics Suspicious cloud user data modification attempt followed by VM restart Suspicious user data modification followed by VM restart, possibly an attempt to run altered startup scripts at boot. Low Cortex Cloud AWS Audit Log, Gcp Audit Log Execution
Analytics BIOC Suspicious container orchestration job A suspicious orchestration job ran with a rare command line. Low Platform Analytics XDR Agent Execution, Persistence, Privilege Escalation
Analytics Suspicious container reconnaissance activity in a Kubernetes pod A process performed multiple consecutive container discovery commands from within a Kubernetes Pod. Informational Platform Analytics XDR Agent Discovery
Analytics BIOC Suspicious container runtime connection from within a Kubernetes Pod A process from within a Kubernetes Pod communicated with the container runtime daemon using the runtime socket. This may indicate an adversary attempting to escape from the Kubernetes Pod to the host. Informational Platform Analytics XDR Agent Execution
Analytics BIOC Suspicious curl user agent Suspicious user agent provided to curl command. Informational Platform Analytics XDR Agent Command and Control
Analytics BIOC Suspicious data encryption Known applications were used to encrypt data within a machine's local file system. Low Platform Analytics XDR Agent Impact, Defense Evasion
BIOC Suspicious debug file created in a temporary folder SharpDump and SafetyKatz are credential dumping tools that create minidumps for the process ID (PID) specified (LSASS by default) in C:\Windows\Temp\debug<PID>.bin. High Platform Analytics File Credential Access
Analytics BIOC Suspicious disablement of the Windows Firewall The Windows Firewall has been disabled. Malware may turn it off to exfiltrate data and communicate with C2 servers. Low Platform Analytics XDR Agent Defense Evasion
Analytics BIOC Suspicious disablement of the Windows Firewall using PowerShell commands The Windows Firewall has been disabled using PowerShell. Malware may turn it off to exfiltrate data and communicate with C2 servers. Medium Platform Analytics XDR Agent with eXtended Threat Hunting (XTH) Defense Evasion
Analytics BIOC Suspicious DKIM Result The email contains a suspicious DKIM entry, showing either an unexpected verification result (none, fail, or policy) or a mismatched signing domain, which may indicate potential tampering or spoofing activity. Informational Email Security Microsoft 365 Emails Defense Evasion
BIOC Suspicious DLL load using Control.exe This execution mechanism is known to be used by malware to load malicious DLLs. Medium Platform Analytics Process execution Defense Evasion
Analytics BIOC Suspicious DMARC result The email has a suspicious DMARC result of either fail or none, which may indicate a potential domain misconfiguration or spoofing. Informational Email Security Microsoft 365 Emails Defense Evasion
Analytics Suspicious DNS traffic 10 KB or more were sent encoded in subdomain names during a 10-minute window. All subdomains queried were under a single suspicious domain. DNS tunneling encodes data in DNS queries and responses, allowing an attacker to bypass firewalls and proxies to reach his or her command and control server, even when HTTP/S traffic is blocked. Informational Platform Analytics Palo Alto Networks Firewall traffic Logs, XDR Agent Command and Control, Exfiltration
Analytics BIOC Suspicious dNSHostName attribute change to DC name The dNSHostName attribute of a machine account was changed to a Domain Controller server name. Medium Identity Analytics Windows Event Collector, XDR Agent with eXtended Threat Hunting (XTH) Privilege Escalation, Persistence
Analytics BIOC Suspicious docker image download from an unusual repository The agent has pulled a docker image from a repository for the first time. Informational Platform Analytics XDR Agent Execution
Analytics BIOC Suspicious domain user account creation A user was observed creating a rare domain account. Informational Identity Analytics Windows Event Collector, XDR Agent with eXtended Threat Hunting (XTH) Persistence
Analytics BIOC Suspicious DotNet log file created Payloads that use the DotNet framework may generate suspicious Microsoft DotNet log files. Low Platform Analytics XDR Agent with eXtended Threat Hunting (XTH) Defense Evasion
Analytics BIOC Suspicious dump of ntds.dit using Shadow Copy with ntdsutil/vssadmin Attackers may attempt to dump the ntds.dit file, which stores all Active Directory account information, to later extract passwords and hashes from it. High Platform Analytics XDR Agent Credential Access
Analytics Suspicious EBS snapshots deletion An identity deleted multiple EBS snapshots from the project, considerably more than usual. Low Cortex Cloud AWS Audit Log Impact
Analytics BIOC Suspicious Encrypting File System Remote call (EFSRPC) to domain controller An Encrypting File System Remote call (EFSRPC) was made to a domain controller. Medium Platform Analytics Palo Alto Networks Firewall EAL Logs, XDR Agent with eXtended Threat Hunting (XTH) Lateral Movement
BIOC Suspicious executable created in a .NET directory Cmd.exe created an executable file in the Microsoft .NET directory. This behavior is exhibited in the PowerLessShell tool to disguise MSBuild.exe. High Platform Analytics File Defense Evasion
Analytics BIOC Suspicious External RDP Login An unusual successful RDP connection by a user from an external IP. This may be indicative of using stolen credentials or malicious activity. Informational Identity Analytics XDR Agent Initial Access
Analytics BIOC Suspicious failed HTTP request - potential Spring4Shell exploit A potentially malicious failed HTTP request was received, possibly as part of a Spring4Shell exploitation attempt. Low Platform Analytics Palo Alto Networks Firewall EAL Logs, XDR Agent Initial Access
BIOC Suspicious file created in AppData directory A suspicious executable file was created in the AppData directory. Informational Platform Analytics File Execution
Analytics BIOC Suspicious heavy allocation of compute resources - possible mining activity An identity allocated an unusual heavy compute resource, suspected as mining activity. Heavy machines normally have a high amount of CPU cores or attached with GPU, which are targeted by adversaries to mine Cryptocurrency. Medium Cortex Cloud AWS Audit Log, Azure Audit Log, Gcp Audit Log Impact, Initial Access
Analytics BIOC Suspicious hidden user created A user account was created with a name that mimics a machine account. Medium Identity Analytics Windows Event Collector, XDR Agent with eXtended Threat Hunting (XTH) Persistence, Defense Evasion
Analytics BIOC Suspicious HTTP parameters detected The endpoint received suspicious HTTP parameters via an HTTP request, which may indicate attempts to exploit server components or web shell activity. Medium Platform Analytics Palo Alto Networks Firewall EAL Logs, XDR Agent Initial Access, Persistence
Analytics BIOC Suspicious ICMP packet An ICMP router advertisement was sent by a host. Low Platform Analytics Palo Alto Networks Firewall EAL Logs, XDR Agent Command and Control
Analytics Suspicious ICMP traffic that resembles smurf attack ICMP smurf attack was used. Low Platform Analytics XDR Agent Impact
Analytics Suspicious identity downloaded multiple objects from a bucket An identity downloaded multiple objects from a bucket, considerably more than usual. This may indicate an attacker's attempt to download sensitive data from a bucket in the cloud environment. Low Cortex Cloud AWS Audit Log, Azure Audit Log, Gcp Audit Log Collection, Exfiltration
Analytics Suspicious Kerberos Pre-Auth Failures by Host An endpoint failed unusual number of Kerberos pre-authentications (TGT requests) which may indicate a password-spraying attack. Low Identity Analytics XDR Agent with eXtended Threat Hunting (XTH) Credential Access
Analytics BIOC Suspicious Kubernetes pod token access A Kubernetes pod has accessed the access token of another pod. This could indicate potential unauthorized access or a security breach within the cluster. Medium Platform Analytics XDR Agent with eXtended Threat Hunting (XTH) Credential Access
Analytics Suspicious LDAP queries followed by shared folder access The user executed suspicious LDAP queries shortly before accessing a shared folder. This behavior may be indicative of Rubeus activity involving Kerberos ticket forgery, such as Golden Ticket or Silver Ticket attacks. Low Platform Analytics XDR Agent with eXtended Threat Hunting (XTH) Credential Access
Analytics BIOC Suspicious LDAP search query executed A suspicious and unpopular LDAP search query was executed. This may be indicative of Active Directory domain enumeration, which may be used during attacks against the organization. Low Platform Analytics XDR Agent with eXtended Threat Hunting (XTH) Discovery
BIOC Suspicious lock screen image file written to disk Desktopimgdownldr.exe is a built-in Windows tool used to set a lock screen or desktop background image as part of Personalization CSP. Adversaries may use it maliciously to download malware. Low Platform Analytics File Command and Control
Analytics BIOC Suspicious MFA request reported by user in Entra ID A user has flagged an MFA request as suspicious in Microsoft Entra ID. This could indicate a potential compromised user account or unauthorized access attempt. Informational Identity Threat Detection (ITDR), SaaS Threat Detection AzureAD Audit Log Persistence, Initial Access
Analytics BIOC Suspicious ML Model Download A model artifact was accessed from cloud storage by an identity that typically doesn't interact with model files. MITRE ATLAS Technique: AML.T0035 - ML Artifact Collection. Informational Cortex Cloud AWS Audit Log, Azure Audit Log, Gcp Audit Log Collection
Analytics BIOC Suspicious modification of the AdminSDHolder's ACL A user modified the AdminSDHolder ACL, which may be an indication of a privilege escalation attack. Low Identity Analytics Windows Event Collector, XDR Agent with eXtended Threat Hunting (XTH) Persistence
Analytics BIOC Suspicious module load using direct syscall A module was loaded to a process using a direct syscall. Low Platform Analytics XDR Agent Execution
Analytics BIOC Suspicious Network Connection Originating from AWS SSM Agent A process spawned by the AWS SSM agent connected to an anonymous tunnel or TOR IP outside AWS. This may indicate the SSM agent was abused for command and control or data exfiltration. Medium Cortex Cloud XDR Agent Command and Control, Exfiltration
Analytics BIOC Suspicious NTLM authentication with machine account A suspicious NTLM authentication attempt was made by a machine account. Informational Identity Analytics Palo Alto Networks Firewall EAL Logs, XDR Agent Credential Access
Analytics Suspicious objects encryption in an AWS bucket An AWS KMS key from a non-organization account was used to encrypt multiple objects in a bucket for the first time. This may indicate an attacker attempting to perform a ransomware attack against the organization's cloud environment. High Cortex Cloud AWS Audit Log Impact
Analytics BIOC Suspicious PowerShell Command Line Attackers often leverage PowerShell one-liners, in which PowerShell is executed with suspicious options on the command line. Low Platform Analytics XDR Agent Execution
Analytics BIOC Suspicious PowerShell Enumeration of Running Processes Attackers often enumerate running processes to find and disable security tools. Informational Platform Analytics XDR Agent Discovery
Analytics BIOC Suspicious PowerSploit's recon module (PowerView) net function was executed An attacker may use PowerSploit to reconnaissance the network. Medium Platform Analytics XDR Agent with eXtended Threat Hunting (XTH) Discovery
Analytics BIOC Suspicious PowerSploit's recon module (PowerView) used to search for exposed hosts An attacker may use PowerSploit to reconnaissance the network for exposed hosts to move laterally to. Medium Platform Analytics XDR Agent with eXtended Threat Hunting (XTH) Discovery
Analytics BIOC Suspicious print processor registered The endpoint registered a new print processor, which may be used to gain persistence on the host by loading libraries into the time management service. Medium Platform Analytics XDR Agent Persistence
Analytics BIOC Suspicious Print System Remote Protocol usage by a process A host which is trusted for unconstrained delegation initiated an SMB connection to a DC using the Print System Remote Protocol. An attacker can abuse such sessions for relay attacks. Low Identity Analytics XDR Agent with eXtended Threat Hunting (XTH) Credential Access
BIOC Suspicious printer driver installation A suspicious process installed a generic printer driver. This may be a sign of CVE-2020-1048, in which an attacker attempts to overwrite a file on the OS. Low Platform Analytics Registry Privilege Escalation, Persistence
BIOC Suspicious printer port creation via Registry An attacker may create a print job that prints to a file, overwriting any file on the OS (CVE-2020-1048). Medium Platform Analytics Registry Privilege Escalation, Persistence
Analytics BIOC Suspicious process accessed a site masquerading as Google A suspicious process accessed a site masquerading as Google. Informational Platform Analytics XDR Agent Command and Control, Defense Evasion
Analytics BIOC Suspicious process accessed certificate files A suspicious process accessed certificate files. Low Platform Analytics XDR Agent with eXtended Threat Hunting (XTH) Credential Access
Analytics BIOC Suspicious process executed with a high integrity level A suspicious process was spawned with a High or System integrity level, which is higher than its parent process. This may indicate malicious privilege escalation. Informational Platform Analytics XDR Agent Privilege Escalation
Analytics BIOC Suspicious process execution from tmp folder An unpopular process was executed from the tmp folder. Informational Platform Analytics XDR Agent Defense Evasion
Analytics BIOC Suspicious process execution in a privileged container A process was executed in a privileged Kubernetes Pod for the first time in the past 30 days. Informational Platform Analytics XDR Agent Execution, Privilege Escalation
Analytics BIOC Suspicious process loads a known PowerShell module A non-PowerShell process loaded a known PowerShell module. This image load may be an indication of PowerShell execution without directly invoking the PowerShell.exe binary. Informational Platform Analytics XDR Agent Execution
BIOC Suspicious process loads AMSI DLL Amsi.dll is expected to be loaded from a few known processes (e.g. PowerShell). An image load from an unrelated LOLBIN may indicate PowerShell execution. Informational Platform Analytics Module Execution
Analytics BIOC Suspicious process modified RC script file A suspicious process modified an RC script file. These files allow system administrators to map and start custom services at startup for different run levels. This may be done to establish persistence. Low Platform Analytics XDR Agent with eXtended Threat Hunting (XTH) Persistence, Privilege Escalation
Analytics BIOC Suspicious Process Spawned by Adobe Reader Unusual process spawned by Adobe Reader with an uncommon command line. Low Platform Analytics XDR Agent Initial Access
Analytics BIOC Suspicious Process Spawned by wininit.exe An unusual process was spawned by wininit.exe, possibly indicating malicious local or remote code execution. Medium Platform Analytics XDR Agent Defense Evasion
BIOC Suspicious process spawns MSBuild.exe The Microsoft Build Engine was started by an abnormal process. MSBuild is normally used for development purposes, so this unusual behavior may be malicious. Medium Platform Analytics Process execution Defense Evasion
Analytics BIOC Suspicious proxy environment variable setting Suspicious proxy environment variable change or definition with a rare command line. Informational Platform Analytics XDR Agent Command and Control
Analytics Suspicious reconnaissance using LDAP A process executed multiple suspicious LDAP search queries. This may be indicative of LDAP enumeration. Informational Platform Analytics XDR Agent with eXtended Threat Hunting (XTH) Discovery
Analytics BIOC Suspicious RunOnce Parent Process Runonce.exe executes commands under the Registry key HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce, typically on computer boot and user login events. Low Platform Analytics XDR Agent Persistence
Analytics BIOC Suspicious runonce.exe parent process Runonce.exe executes commands under the Registry key HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce, typically on computer boot and user logon events. Low Platform Analytics XDR Agent Persistence
Analytics BIOC Suspicious SaaS API call from a Tor exit node A SaaS API was called from a Tor exit node. High Identity Threat Detection (ITDR), SaaS Threat Detection Box Audit Log, DropBox, Google Workspace Audit Logs, Office 365 Audit Command and Control
Analytics BIOC Suspicious sAMAccountName change The name of a machine account was changed to a sAMAccountName with a missing trailing dollar sign. Low Identity Analytics Windows Event Collector, XDR Agent with eXtended Threat Hunting (XTH) Privilege Escalation, Persistence
BIOC Suspicious SDB file written to disk Application Shims were created to allow backward compatibility of applications, which can be abused to establish persistence or elevate privileges. The creation of SDB (Shim Database) files may be indicative of this technique. Informational Platform Analytics File Persistence
BIOC Suspicious SDB file written to disk by an unsigned process Application Shims were created to allow backward compatibility of applications, which can be abused to establish persistence or elevate privileges. The creation of SDB (Shim Database) files by an unsigned process may be indicative of this technique. Informational Platform Analytics File Persistence
Analytics BIOC Suspicious SearchProtocolHost.exe parent process SearchProtocolHost.exe has been launched from a process that is different from SearchIndexer.exe This may indicate malicious activity (such as malware later being injected to it, or it being used for phantom DLL hijacking). Medium Platform Analytics XDR Agent Execution, Defense Evasion
Analytics Suspicious secrets dump activity An identity dumped multiple secrets from the project, considerably more than usual. This may indicate an attacker's attempt to dump sensitive information from the cloud environment. Informational Cortex Cloud AWS Audit Log, Azure Audit Log, Gcp Audit Log Credential Access, Collection
Analytics Suspicious sender exhibiting automated sending patterns Multiple messages from a single sender were observed over a short period, all having the same subject and differing body content. This repetitive pattern may indicate automated or scripted behavior. Informational Email Security Microsoft 365 Emails Initial Access
Analytics Suspicious sending domain with sender address randomization Multiple messages from a single sender domain were observed over a short period, each using a unique sender address. This per-message sender randomization is uncommon for legitimate senders and suggests automated behavior. Informational Email Security Microsoft 365 Emails Initial Access
Analytics BIOC Suspicious setspn.exe execution A Service Principal Name (SPN) is a unique identifier for a service, mapped to a specific account. Setspn.exe can be used to retrieve SPN information, which may indicate an attacker's attempt to "Kerberoast". Low Platform Analytics XDR Agent Credential Access
Analytics BIOC Suspicious SMB connection from domain controller A domain controller has initiated an SMB connection to another host. The domain controllers usually communicate over SMB only with other domain controllers. An attacker can abuse such sessions for relay attacks. Low Platform Analytics Palo Alto Networks Firewall traffic Logs, XDR Agent, Third-Party Firewalls Lateral Movement
Analytics BIOC Suspicious SPF Result The email has a suspicious SPF result of fail, soft fail, or policy, which may indicate a potential domain misconfiguration or spoofing. Informational Email Security Microsoft 365 Emails Defense Evasion
Analytics BIOC Suspicious SSH Downgrade The endpoint asked for an ssh downgrade, ssh downgrade may enable attackers to perform attacks such as data decryption, man in the middle, session hijack, replay attack and more. Low Platform Analytics Palo Alto Networks Firewall EAL Logs Lateral Movement, Defense Evasion