Detectors

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

431 detectors match the current filters.

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Type Name Severity Module Data source / event ATT&CK
Analytics BIOC Possible data obfuscation A command that can be used for file obfuscation was executed with an uncommon command line. Informational Platform Analytics XDR Agent Defense Evasion
Analytics BIOC Possible DLL Hijack into a Microsoft process An unsigned DLL was loaded into a Microsoft signed process. This DLL name is usually signed by Microsoft, which might indicate an attacker performing DLL Hijacking. Informational Platform Analytics XDR Agent Persistence, Privilege Escalation, Defense Evasion
Analytics BIOC Possible DLL Search Order Hijacking An attacker might abuse the Windows DLL search order to trigger known, signed processes to load the attacker's malicious module. Low Platform Analytics XDR Agent Persistence, Privilege Escalation, Defense Evasion
Analytics BIOC Possible Email collection using Outlook RPC Outlook was executed using RPC by an uncommon parent process, this may be an indication of email collection activities. Informational Platform Analytics XDR Agent Collection
Analytics Possible external RDP Brute-Force Multiple failed remote logins originated from an external IP with at least one successful login. This may indicate a successful brute-force attack. Low Identity Analytics XDR Agent Credential Access
Analytics Possible Insider Threat Activity A user was observed performing suspicious activity that might indicate an attempt to use their access to organizational resources for personal gain. Low Identity Threat Detection (ITDR) AzureAD Audit Log, Microsoft Graph Logs, Office 365 Audit, Okta, Palo Alto Networks Global Protect, Third-Party VPNs, XDR Agent, XDR Agent with eXtended Threat Hunting (XTH) Impact
Analytics BIOC Possible IPFS traffic was detected The host attempted to access other nodes in an IPFS manner. Informational Platform Analytics Palo Alto Networks Firewall traffic Logs, XDR Agent Exfiltration, Initial Access
Analytics Possible Kerberoasting attack A user enumerated all service principals in the organization and specifically requested weak and deprecated encryption in a ticket request. This is typically a sign of a Kerberoasting attack. Medium Identity Analytics XDR Agent, XDR Agent with eXtended Threat Hunting (XTH) Credential Access
Analytics BIOC Possible Kerberoasting without SPNs A user specifically requested weak and deprecated encryption in a Kerberos TGS request. This provides easy-to-crack hashes, and is typically a sign of a Kerberoasting attack. The requested service was specified by using a suspicious SPN type, which is often used by Kerberoasting tools to request by SAN instead of SPN. Low Platform Analytics Palo Alto Networks Firewall traffic Logs, XDR Agent Credential Access
Analytics BIOC Possible Kerberos relay attack A suspicious local network login was observed, which might indicate on Kerberos relay attack. This attack can lead to privilege escalation by obtaining system privileges on the target. Low Platform Analytics Windows Event Collector, XDR Agent Privilege Escalation
Analytics BIOC Possible malicious .NET compilation started by a commonly abused process Attackers may use csc.exe to compile payloads on a compromised machine. Medium Platform Analytics XDR Agent Defense Evasion
Analytics BIOC Possible network service discovery via command-line tool An attacker may use command-line utilities to discover open ports and services on a remote host. Low Platform Analytics XDR Agent Discovery
Analytics BIOC Possible network sniffing attempt via tcpdump or tshark Attackers may monitor network traffic for cleartext credentials or to learn the network's configuration. Low Platform Analytics XDR Agent Credential Access, Discovery
Analytics BIOC Possible new DHCP server A DHCP response was sent from an unknown DHCP server. Attackers may send a DHCP response to a host in his LAN to inject a DNS server, route or WPAD server. Medium Platform Analytics XDR Agent Credential Access
Analytics BIOC Possible Pass-the-Hash An account was successfully logged on to with new credentials. This login type is rare and may be an attacker's attempt to pass-the-hash and move laterally within a network. Low Identity Analytics XDR Agent Lateral Movement
Analytics BIOC Possible path traversal via HTTP request The endpoint received a suspicious URI via an HTTP request that resembles a path traversal attempt. Low Platform Analytics Palo Alto Networks Firewall EAL Logs, XDR Agent Discovery
Analytics Possible phishing attack via Microsoft Teams An external tenant is possibly attempting a phishing attack via Microsoft Teams. Low Identity Threat Detection (ITDR) AzureAD Audit Log, Microsoft Graph Logs, Office 365 Audit, Okta, Palo Alto Networks Global Protect, Third-Party VPNs, XDR Agent, XDR Agent with eXtended Threat Hunting (XTH) Initial Access
Analytics BIOC Possible RDP session hijacking using tscon.exe The executable tscon.exe can be used to hijack other sessions on the same computer. The attacker may use another user's credentials to proceed with the lateral movement or disguise the activity. Medium Platform Analytics XDR Agent Lateral Movement
Analytics BIOC Possible Search For Password Files Attackers often search for files that have passwords in them. Medium Platform Analytics XDR Agent Credential Access
Analytics Possible TGT reuse from different hosts (pass the ticket) We observed two different hosts sending TGS using the same TGT. This may indicate a TGT was stolen and passed to another host. Informational Identity Analytics XDR Agent Lateral Movement
Analytics BIOC Possible use of IPFS was detected The host produced traffic consistent with IPFS. Informational Platform Analytics Palo Alto Networks Firewall traffic Logs, XDR Agent Exfiltration, Initial Access
Analytics Potential extraction of NAA Account Credentials in Microsoft Configuration Manager Possible user attempt to deobfuscate Network Access Account (NAA) credentials in Microsoft Configuration Manager. This may indicate a compromised account. Low Identity Analytics AzureAD Audit Log, Microsoft Graph Logs, Office 365 Audit, Okta, Palo Alto Networks Global Protect, Third-Party VPNs, XDR Agent, XDR Agent with eXtended Threat Hunting (XTH) Credential Access, Defense Evasion
Analytics Potential NTLM Relay Attack Multiple NTLM authentications were made to the same workstation and user from different IPs. This might indicate a potential NTLM Relay attack. Informational Identity Analytics XDR Agent Credential Access, Lateral Movement
Analytics Potential NTLM Relay Attack against a Microsoft Configuration Manager Site Server Multiple NTLM authentications were made to the same Microsoft Configuration Manager site server and user from different IPs in a short period of time. This might indicate a potential NTLM Relay attack. Informational Identity Analytics XDR Agent Credential Access, Lateral Movement
Analytics BIOC PowerShell runs suspicious base64-encoded commands Running PowerShell with a base64-encoded payload in the command line is often used by attackers to evade detection. Low Platform Analytics XDR Agent Execution
Analytics BIOC PowerShell suspicious flags Abbreviated flags in PowerShell indicate malicious intent. Medium Platform Analytics XDR Agent Execution
Analytics BIOC Procdump executed from an atypical directory Procdump.exe is a SysInternals tool used to dump process memory; it can be used to dump lsass.exe memory to extract credentials. Medium Platform Analytics XDR Agent Defense Evasion, Credential Access
Analytics BIOC PsExec was executed with a suspicious command line PsExec.exe was executed. Informational Platform Analytics XDR Agent Execution, Privilege Escalation
Analytics BIOC Python HTTP server started Python HTTP server started - possible exfiltration over HTTP. Informational Platform Analytics XDR Agent Exfiltration
Analytics Random-Looking Domain Names The endpoint performed DNS lookups to an excessively large number of apparently random root domain names. This alert might be symptomatic of malware that is trying to connect to its command and control (C2) servers. The attacker's C2 server runs on one or more domains that can eventually be identified and blacklisted. To avoid this, malware will sometimes use Domain Generation Algorithms (DGA) that produce many unique, random-looking domain names every day. Because only a few of these domains are ever registered, the installed malware must blindly try to access each generated domain name in an effort to locate an active one, which may also trigger the Failed DNS alert. Medium Platform Analytics Palo Alto Networks Firewall EAL Logs, XDR Agent Command and Control
Analytics Rare access to known advertising domains The endpoint performed many connections to unpopular advertising domains. This could indicate the presence of adware on the endpoint. Informational Platform Analytics Palo Alto Networks Firewall EAL Logs, XDR Agent Command and Control, Persistence
Analytics BIOC Rare AppID usage to a rare destination Rare AppID with port usage to rare destination. Informational Platform Analytics Palo Alto Networks Firewall traffic Logs, XDR Agent, Third-Party Firewalls Command and Control
Analytics BIOC Rare binary connected to a rare cloud resource Rare binary connected to a rare cloud resource. Low Platform Analytics XDR Agent Command and Control
Analytics BIOC Rare binary connected to a rare external host Rare binary connected to a rare external host. Low Platform Analytics XDR Agent Command and Control
Analytics BIOC Rare communication over email ports to external email server by unsigned process These methods are used by malware and attackers to leak data and remain undetected. Low Platform Analytics XDR Agent Command and Control
Analytics BIOC Rare file transfer over SMB protocol The endpoint performed an abnormal file transfer over SMB to a remote host. Low Platform Analytics XDR Agent Lateral Movement
Analytics BIOC Rare LOLBIN Process Execution by User A user executed a living-off-the-land binary (LOLBIN) process that is unusual for this user. This may be indicative of a compromised account. Informational Identity Analytics XDR Agent Execution
Analytics BIOC Rare MS-Update traffic over HTTP The endpoint requested an MS-Update operation with abnormal HTTP traffic characteristics. Informational Platform Analytics Palo Alto Networks Firewall EAL Logs, XDR Agent Lateral Movement
Analytics BIOC Rare NTLM Access By User To Host An unusual NTLM authentication attempt by a user to a host. This may indicate the use of stolen credentials or access tokens to access restricted hosts. Informational Identity Analytics Palo Alto Networks Firewall traffic Logs, XDR Agent Lateral Movement
Analytics BIOC Rare NTLM Usage by User Rare authentication by user account to host via NTLM. The user has not authenticated with NTLM in the past 30 days. This may be indicative of downgrade attacks from Kerberos to NTLM. Informational Identity Analytics Palo Alto Networks Firewall EAL Logs, XDR Agent Lateral Movement
Analytics BIOC Rare process created an SSH session to an uncommon cloud resource A rare process created an SSH session to an uncommon cloud resource. Low Platform Analytics Palo Alto Networks Firewall traffic Logs, XDR Agent, Third-Party Firewalls Command and Control
Analytics BIOC Rare process created an SSH session to an uncommon external host Rare process created an SSH session to an uncommon external host. Low Platform Analytics Palo Alto Networks Firewall traffic Logs, XDR Agent, Third-Party Firewalls Command and Control
Analytics BIOC Rare process executed by an AppleScript An uncommon process has been executed by the AppleScript interpreter process. Low Platform Analytics XDR Agent Execution
Analytics BIOC Rare process execution by user An unusual process was executed by a user. This may be indicative of a compromised account. Informational Identity Analytics XDR Agent Execution
Analytics BIOC Rare process execution in organization An unusual process was executed in the organization. This may be indicative of a compromised account. Informational Identity Analytics XDR Agent Execution
Analytics BIOC Rare process spawned by srvany.exe Unusual process spawned by srvany.exe, which allows applications to run as services with system privileges, this might be an indication of malicious local or remote code execution. Informational Platform Analytics XDR Agent Execution
Analytics BIOC Rare process with VNC server capabilities started A rare process with VNC server capabilities was started. Low Platform Analytics XDR Agent Command and Control, Lateral Movement
Analytics BIOC Rare RDP session to a remote host The endpoint performed a rare RDP session to a remote host. Low Platform Analytics Palo Alto Networks Firewall traffic Logs, XDR Agent, Third-Party Firewalls Lateral Movement
Analytics BIOC Rare security product signed executable executed in the network Attackers may attempt to install a security product with a known vulnerability to bypass security features. Low Platform Analytics XDR Agent Defense Evasion
Analytics BIOC Rare signature signed executable executed in the network Attackers may use signed executables by less known vendors to bypass security features. Informational Platform Analytics XDR Agent Defense Evasion
Analytics BIOC Rare SMB session to a remote host The endpoint performed a rare SMB activity to a remote host. Low Platform Analytics Palo Alto Networks Firewall traffic Logs, XDR Agent, Third-Party Firewalls Lateral Movement
Analytics BIOC Rare SMTP/S Session The Simple Mail Transfer Protocol (SMTP) and its SSL-secured variant SMTPS are used to send email. Attackers can use SMTP/S to exfiltrate data from your network. Informational Platform Analytics Palo Alto Networks Firewall traffic Logs, XDR Agent, Third-Party Firewalls Exfiltration
Analytics BIOC Rare SSH Session Secure Shell (SSH) provides a secure means of remote administration. Attackers can use valid SSH credentials and keys to remotely connect to endpoints running the SSH service. Low Platform Analytics XDR Agent Lateral Movement
Analytics BIOC Rare Unix process divided files by size A file was divided into sub-files by size limit by a rare process. Informational Platform Analytics XDR Agent Exfiltration
Analytics BIOC Rare unsigned process execution by scheduled task Rare and unsigned process was executed by a scheduled task. Low Platform Analytics XDR Agent Persistence
Analytics BIOC Rare Unsigned Process Spawned by Office Process Under Suspicious Directory Microsoft Office executed an unsigned process in a suspicious directory. This behavior is common with malicious macros. Low Platform Analytics XDR Agent Execution
Analytics BIOC Rare Windows Remote Management (WinRM) HTTP Activity The endpoint performed unfamiliar WinRM HTTP activity to a remote host. Low Platform Analytics Palo Alto Networks Firewall EAL Logs, XDR Agent Lateral Movement
Analytics BIOC Rare WinRM Session Windows Remote Management (WinRM) enables users to interact with remote systems in different ways, including running executables on the remote system. WinRM sessions can be established using WinRM/WinRS commands or programs such as PowerShell. Attackers can use WinRM to execute code and move laterally within a compromised network. Informational Platform Analytics XDR Agent Lateral Movement
Analytics BIOC RDP Connection to localhost An RDP connection to localhost can be used for privilege escalation by leveraging Windows accessibility features. Medium Platform Analytics XDR Agent Lateral Movement
Analytics BIOC RDP from an unmanaged endpoint in a typically managed subnet An RDP connection was established from an unmanaged endpoint in a typically managed subnet, indicating a possible lateral movement. Low Platform Analytics Palo Alto Networks Firewall traffic Logs, XDR Agent Lateral Movement
Analytics BIOC Reading bash command history file Attackers may access the bash history file to glean cleartext usernames and passwords that were entered on the command line. Low Platform Analytics XDR Agent Credential Access
Analytics BIOC Recurring access to rare domain The endpoint is periodically connecting to an external domain (categorized as malware) that it and its peers rarely use. Access to this domain has occurred repeatedly over multiple days. This connection pattern is consistent with malware connecting to its command and control server for updates and operating instructions. Low Platform Analytics Palo Alto Networks Firewall EAL Logs, Palo Alto Networks Firewall threat Logs, XDR Agent, Third-Party Firewalls Command and Control
Analytics BIOC Recurring access to rare IP The endpoint is periodically accessing an external fixed-IP address that its peers rarely use. Access to this external IP address has occurred repeatedly over many days. This connection pattern is consistent with malware connecting to its command and control server for updates and operating instructions. Low Platform Analytics Palo Alto Networks Firewall traffic Logs, XDR Agent, Third-Party Firewalls Command and Control
Analytics BIOC Recurring rare domain access from an unsigned process An unsigned process is periodically connecting to an external domain that it and its peers rarely use. Access to this domain has occurred repeatedly over multiple days. This connection pattern is consistent with malware connecting to its command and control server for updates and operating instructions. Low Platform Analytics XDR Agent Command and Control
Analytics BIOC Recurring rare domain access to dynamic DNS domain The endpoint is periodically connecting to an external domain that it and its peers rarely use. Access to this domain has occurred repeatedly over multiple days. This connection pattern is consistent with malware connecting to its command and control server for updates and operating instructions. Low Platform Analytics Palo Alto Networks Firewall traffic Logs, XDR Agent, Third-Party Firewalls Command and Control
Analytics BIOC Registration of Uncommon .NET Services and/or Assemblies Regasm.exe and regsvcs.exe are used to register .NET COM assemblies, which are typically located in specific paths, attackers might leverage that to execute code within a Microsoft signed binary. Informational Platform Analytics XDR Agent Defense Evasion
Analytics Remote account enumeration Multiple non-existing accounts failed to remotely log in to a host in a short period of time. This may indicate an attacker is trying to remotely enumerate accounts. Informational Identity Analytics XDR Agent Discovery, Credential Access
Analytics BIOC Remote code execution into Kubernetes Pod A container administration service was used to execute commands within a Kubernetes Pod. Informational Platform Analytics XDR Agent Execution
Analytics BIOC Remote command execution via wmic.exe Remote command execution using the Windows Management Instrumentation command-line tool. Low Platform Analytics XDR Agent Execution
Analytics BIOC Remote DCOM command execution A remotely triggered DCOM initiated a command execution by a host that rarely executes processes using DCOM to other remote hosts. Low Platform Analytics XDR Agent Lateral Movement
Analytics BIOC Remote PsExec-like command execution A remotely triggered service initiated a command execution in a PsExec-like manner by a host that rarely triggers services to other remote hosts. Informational Platform Analytics XDR Agent Lateral Movement, Execution
Analytics BIOC Remote service command execution from an uncommon source A remotely triggered service initiated a command execution by a host that rarely triggers services to other remote hosts. High Platform Analytics XDR Agent Lateral Movement, Execution
Analytics BIOC Remote service start from an uncommon source A remotely triggered service initiated by a host that rarely triggers services to other remote hosts. Low Platform Analytics XDR Agent Lateral Movement, Execution
Analytics BIOC Remote WMI process execution A host that rarely initiates WMI to other remote hosts triggered a remote process execution by using WMI RPC. Medium Platform Analytics XDR Agent Lateral Movement
Analytics BIOC Retrieval of kubelet credentials A process retrieved kubelet credentials. Informational Platform Analytics XDR Agent Credential Access
Analytics BIOC Run downloaded script using pipe Downloading a script using wget or curl and executing it using a pipe to a shell. Informational Platform Analytics XDR Agent Execution
Analytics BIOC Rundll32.exe executes a rare unsigned module Rundll32.exe executes a rare unsigned module, which can indicate an attacker's malicious execution. Low Platform Analytics XDR Agent Defense Evasion
Analytics BIOC Rundll32.exe running with no command-line arguments Rundll32.exe is meant to run with parameters, so the absence of them is extremely suspicious; this behavior is used in the default configuration of Cobalt Strike. Medium Platform Analytics XDR Agent Defense Evasion
Analytics BIOC Rundll32.exe spawns conhost.exe This unusual parent-child process relationship may indicate that an attacker has abused rundll32.exe to run a console-based application such as PowerShell. Medium Platform Analytics XDR Agent Defense Evasion
Analytics BIOC Scrcons.exe Rare Child Process The Windows Management Instrumentation (WMI) standard event consumer scrcons.exe executed a rare VBScript or PowerShell script. Executing a rare script can be an indication of local or remote code execution abuse by an attacker. Informational Platform Analytics XDR Agent Execution, Persistence
Analytics BIOC Screensaver process executed from Users or temporary folder An executable file with a screensaver extension was executed from the Users or temp folder. This is not a common behavior for screensavers and may indicate a malicious file disguised as a screensaver in the Users or temp folder. It is recommended to further investigate the execution flow for malicious indicators. Low Platform Analytics XDR Agent Persistence
Analytics BIOC Script file added to startup-related Registry keys An attacker may add a script file to the Registry "Run Keys" or the "Winlogon\Userinit" key to cause it to be executed as the user logs in. Medium Platform Analytics XDR Agent Persistence
Analytics BIOC Scripting engine connected to a rare external host Scripts connecting to external IP addresses may be sanctioned IT scripts. However, when those external IP addresses are only receiving connections from a few specific endpoints in the organization, these scripts may be an indicator of more suspicious activity. Security testers and adversaries use offensive frameworks that employ forms of scripting which result in this type of network activity. Low Platform Analytics XDR Agent Command and Control, Execution
Analytics BIOC Service execution via sc.exe Sc.exe has the ability to start services on local and remote hosts. An attacker may abuse it to execute malicious services on a host. Informational Platform Analytics XDR Agent Execution
Analytics BIOC Setuid and Setgid file bit manipulation The setuid or setgid bits were set on a file. Low Platform Analytics XDR Agent Privilege Escalation, Defense Evasion
Analytics BIOC Signed process creates a scheduled task via file access A signed process created a scheduled task via file access. Attackers may create scheduled tasks for execution and to establish persistence. Informational Platform Analytics XDR Agent Execution, Persistence
Analytics BIOC Signed process performed an unpopular DLL injection A signed process performed an unpopular DLL injection into another process. Informational Platform Analytics XDR Agent Defense Evasion
Analytics BIOC Signed process performed an unpopular injection A signed process performed an unpopular injection to another process. Informational Platform Analytics XDR Agent Defense Evasion
Analytics BIOC SMB Traffic from Non-Standard Process SMB traffic is usually performed by a standard set of privileged processes through designated ports. The endpoint had a non-standard process communicating over ports normally used by SMB. An attacker might be moving laterally by using tools that implement a custom version of the SMB protocol. Low Platform Analytics XDR Agent Discovery
Analytics Spam Bot Traffic The endpoint connected to an excessive number of external SMTP servers. A spambot may be trying to send spam email using multiple SMTP servers. Spambots can cause your domain to be blacklisted, and can contain other malicious functionality. The same mechanism can also be used for exfiltration. Some VPN clients can also tunnel data over SMTP. Note: This detection model looks for SMTP connections to external servers, but the volume of traffic is not considered. A count is performed based on the number of domains being contacted, as well as the number of unresolved IP addresses. Low Platform Analytics Palo Alto Networks Firewall traffic Logs, XDR Agent, Third-Party Firewalls Impact
Analytics SSH authentication brute force attempts A user attempted to authenticate via SSH an excessive number of times in a short period. This may indicate a brute force attack. Informational Identity Analytics XDR Agent Credential Access
Analytics BIOC Stored credentials exported using credwiz.exe Attackers may abuse the credwiz tool to export stored accounts. Low Platform Analytics XDR Agent Credential Access
Analytics Subdomain Fuzzing The root domain within the network is experiencing an unusually high number of access requests to its subdomains, significantly exceeding the typical activity levels for that domain. This anomaly could suggest that someone is attempting to enumerate subdomains or uncover additional virtual hosts associated with the domain, possibly as part of a reconnaissance effort to identify vulnerable or less-secured entry points into the network. Low Platform Analytics Palo Alto Networks Firewall EAL Logs, XDR Agent Reconnaissance
Analytics Sudoedit Brute force attempt An unusual amount of sudoedit commands executed in a short period of time. This may indicate an attempt to exploit CVE-2021-3156. Medium Platform Analytics XDR Agent Privilege Escalation
Analytics BIOC SUID/GUID permission discovery Attackers may search for potential to elevate permissions using binaries that have the SUID or GUID bit enabled. Low Platform Analytics XDR Agent Discovery
Analytics BIOC Suspicious .NET process loads an MSBuild DLL A suspicious process in the Microsoft .NET directory loaded the Microsoft Build Framework DLL. This may occur if an attacker masquerades a process like MSBuild (PowerLessShell). Medium Platform Analytics XDR Agent Defense Evasion
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 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 container orchestration job A suspicious orchestration job ran with a rare command line. Low Platform Analytics XDR Agent Execution, Persistence, Privilege Escalation