Detectors

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

247 detectors match the current filters. tactic: TA0005 ✕

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Type Name Severity Module Data source / event ATT&CK
Analytics BIOC Email containing a redirected link An email with a redirected link has been detected. Informational Email Security Microsoft 365 Emails Defense Evasion, Execution
Analytics BIOC Email with URL shortener detected A URL shortener was detected in the email body. Informational Email Security Microsoft 365 Emails Defense Evasion
BIOC Evasion using time-based properties Attackers may check Event Log to evade virtualized environments. Informational Platform Analytics Process execution Defense Evasion, Discovery
Analytics BIOC Exchange email-hiding inbox rule A user configured an Exchange inbox rule that may be used to hide emails. Informational Identity Threat Detection (ITDR), SaaS Threat Detection, Email Security Office 365 Audit Defense Evasion
Analytics BIOC Exchange email-hiding transport rule A user configured an Exchange transport rule that may be used to hide emails in the organization. Informational Identity Threat Detection (ITDR), SaaS Threat Detection, Email Security Office 365 Audit Defense Evasion
Analytics BIOC Executable moved to Windows system folder An attacker may be trying to avoid detection by moving an executable to a Windows system folder. Informational Platform Analytics XDR Agent Defense Evasion
BIOC Execution of commonly abused AutoIT script AutoIT scripts have legitimate uses, but are often abused by malware to execute in a signed process context. Informational Platform Analytics Process execution Defense Evasion
Analytics BIOC Execution of masqueraded third-party utility An attacker may be trying to avoid detection of third-party utility execution by renaming it. Informational Platform Analytics XDR Agent Defense Evasion
BIOC Execution of regsvcs/regasm with uncommon paths The regasm.exe/regsvcs.exe commands are used to register .NET COM assemblies, which are typically located in specific paths. Uncommon paths may indicate malicious code is being registered. Informational Platform Analytics Process execution Defense Evasion
Analytics BIOC Execution of renamed lolbin An attacker may be trying to avoid detection of lolbin's execution using a renamed lolbin. Informational Platform Analytics XDR Agent Defense Evasion
BIOC Execution of WSL Distro Detecting a new instance execution of Windows Subsystem for Linux distro. Informational Platform Analytics File Defense Evasion
Analytics BIOC External email display name impersonation of internal personnel Potential email attempting to impersonate an internal user has been detected. The sender's email address appears unusual in relation to the provided display name, suggesting a possible impersonation attempt targeting an internal user. Informational Email Security Microsoft 365 Emails Defense Evasion
Analytics BIOC Failed Login For Locked-Out Account A locked-out user account (event ID 4725 or 4740) was used in a Kerberos TGT pre-authentication attempt. Informational Platform Analytics Palo Alto Networks Firewall traffic Logs, XDR Agent Defense Evasion
BIOC File renamed to have a script extension Adversaries may create 'benign-looking' files, which are later used as malicious scripts by changing their extension. Informational Platform Analytics File Defense Evasion
BIOC File timestamp tampering An attacker may modify file timestamps by running the touch command to hide their activities. Informational Platform Analytics Process execution Defense Evasion
BIOC Fltmc.exe used to unload filter driver Attackers can abuse the Filter Manager Control Program (fltMC.exe) to unload MiniFilter drivers, some of which may be used for activity monitoring. Informational Platform Analytics Process execution Defense Evasion
Analytics BIOC GCP Firewall Rule creation A GCP VPN firewall rule was created. An attacker might use this technique to block or open access to/from restricted areas. Informational Cortex Cloud Gcp Audit Log Defense Evasion
Analytics BIOC GCP Firewall Rule Modification A GCP firewall rule was modified. An attacker might use this technique to access restricted resources. Informational Cortex Cloud Gcp Audit Log Defense Evasion
Analytics BIOC GCP Logging Bucket Deletion A GCP logging bucket was deleted. An attacker might delete the bucket to evade detection. Informational Cortex Cloud Gcp Audit Log Defense Evasion
Analytics BIOC GCP logging sink deletion A GCP logging sink entity was deleted. Logs that match the logging sink rule will not arrive at their destination. An attacker might use this technique to evade detection. Informational Cortex Cloud Gcp Audit Log Defense Evasion
Analytics BIOC GCP logging sink modification A GCP logging sink entity was modified. Logs that match the logging sink rule will not arrive at their destination. An attacker might use this technique to evade detection. Informational Cortex Cloud Gcp Audit Log Defense Evasion
Analytics BIOC GCP Storage Bucket Permissions Modification A GCP storage bucket's IAM permissions were modified. An attacker might use this technique to expose sensitive data or cause data loss. Informational Cortex Cloud Gcp Audit Log Defense Evasion
Analytics BIOC GCP VPC Firewall Rule Deletion A GCP VPC firewall rule was deleted. An attacker might use this technique to access restricted resources. Informational Cortex Cloud Gcp Audit Log Defense Evasion
Analytics BIOC Globally uncommon high entropy module was loaded A module with high entropy and a globally uncommon hash was loaded. Informational Platform Analytics XDR Agent Defense Evasion
Analytics BIOC Globally uncommon high entropy process was executed A process with high entropy and a globally uncommon hash was executed. Informational Platform Analytics XDR Agent Defense Evasion
Analytics BIOC Globally uncommon image load from a signed process A signed process loaded a DLL that, on a global level, it usually doesn't load. Informational Platform Analytics XDR Agent Defense Evasion
Analytics BIOC Globally uncommon injection from a signed process A signed process injected into another process that it does not normally target at a global level. Informational Platform Analytics XDR Agent Defense Evasion, Persistence
Analytics BIOC Globally uncommon IP address connection from a signed process A signed process connected to an external IP address that, on a global level, it usually doesn't connect to. Informational Platform Analytics XDR Agent Defense Evasion, Command and Control
Analytics BIOC Hidden Attribute was added to a file using attrib.exe Hidden attribute was added to a file using attrib.exe, adversaries may set files to be hidden to evade detection mechanisms. Informational Platform Analytics XDR Agent Defense Evasion
BIOC Hidden directory creation Attackers may create hidden directories to hide malware or staged files. Informational Platform Analytics Process execution Defense Evasion
BIOC Hidden file and directory creation Creation of a hidden file inside a hidden directory. Informational Platform Analytics File Defense Evasion
Analytics BIOC Indicator blocking Auditing or logging configuration changes on Linux host. Informational Platform Analytics XDR Agent Defense Evasion
BIOC Injection into ping.exe A process injected into an instance of ping.exe. Informational Platform Analytics Remote code Defense Evasion
Analytics BIOC Injection into rundll32.exe A process injected into an instance of rundll32.exe. Informational Platform Analytics XDR Agent Defense Evasion
BIOC Internet Explorer security settings modification The Security Settings Check feature, which checks Internet Explorer security settings to determine risk, was disabled. Informational Platform Analytics Registry Defense Evasion
Analytics BIOC Iptables configuration command was executed The iptables process was executed with a command to add or delete rules on the host. Informational Platform Analytics XDR Agent Defense Evasion
BIOC ISO mounted manually A user manually mounted an ISO file. Informational Platform Analytics File Defense Evasion
Analytics BIOC Kubernetes cluster events deletion Kubernetes cluster events deletion. Informational Cortex Cloud AWS Audit Log, Azure Audit Log, Gcp Audit Log, Kubernetes Audit Logs Defense Evasion
BIOC Log deletion in known log file directories Deletion of log files in known log directories. Informational Platform Analytics File Defense Evasion
BIOC Log deletion using the truncate command Usage of the truncate utility using "-s 0" argument to clear log files. Informational Platform Analytics Process execution Defense Evasion
BIOC Log deletion via command-line tool An attacker may use the rm command to remove traces of their activities. Informational Platform Analytics Process execution Defense Evasion
Analytics BIOC Login by a dormant user A dormant user logged on after having been unused for a month or longer. This may indicate the account is misused by an attacker. Informational Identity Analytics XDR Agent Defense Evasion
Analytics BIOC LOLBAS executable injects into another process A signed binary, which can be abused to run code, injected code to another process. Informational Platform Analytics XDR Agent Defense Evasion
BIOC MacOS firewall manipulation An attacker may modify a firewall via command line to bypass network controls. Informational Platform Analytics Process execution Defense Evasion
BIOC Manipulation of Crypto Subject Interface Package (SIP) Provider Malicious modification of crypto subject interface package (SIP) provider Registry keys can be leveraged to trick the OS into incorrectly validating invalid signing certificates. May have legitimate uses, but check for malicious activity. Informational Platform Analytics Registry Defense Evasion
BIOC Manipulation of Windows Defender configuration Commands used to bypass, disable or harm Windows Defender. Informational Platform Analytics Process execution Defense Evasion
BIOC Manipulation of Windows Event Log auto-backup via Registry This key enables/disables the automatic backups of event logs when they are full. Informational Platform Analytics Registry Defense Evasion
Analytics BIOC MFA device was removed/deactivated from an IAM user Deactivate an MFA device and disassociate it from an IAM user. Informational Cortex Cloud AWS Audit Log Defense Evasion
Analytics BIOC MFA was disabled for a Google Workspace user Multi-Factor Authentication (MFA) has been disabled for a Google Workspace user. Informational Identity Threat Detection (ITDR), SaaS Threat Detection Google Workspace Audit Logs Defense Evasion
Analytics BIOC Microsoft 365 DLP policy disabled or removed A user disabled or removed a Microsoft 365 data loss prevention (DLP) policy, which may indicate DLP monitoring evasion. Informational Identity Threat Detection (ITDR), SaaS Threat Detection, Email Security Office 365 Audit Defense Evasion
BIOC Microsoft HTML Application Host spawns from CMD or PowerShell Microsoft HTML Application Host is a program whose source code consists of HTML, Dynamic HTML and a few scripting languages compatible with Internet Explorer such as VBScript or JScript. It does not typically spawn from PowerShell or CMD. Informational Platform Analytics Process execution Defense Evasion
BIOC Microsoft HTML Application Host spawns from Explorer.exe Mshta allows execution of .hta files, an attacker can use mshta to execute malicious hta files on the victim's host. Informational Platform Analytics Process execution Defense Evasion
Analytics BIOC Microsoft Teams application setup policy was modified Microsoft Teams the application setup policy, which is responsible for application management, was modified. Informational Identity Threat Detection (ITDR), SaaS Threat Detection Office 365 Audit Defense Evasion, Persistence
Analytics BIOC Microsoft Teams external communication policy was modified Microsoft Teams external communication policy was modified. Informational Identity Threat Detection (ITDR), SaaS Threat Detection Office 365 Audit Defense Evasion, Exfiltration
Analytics BIOC Modification of PAM Modification of PAM configuration files. Informational Platform Analytics XDR Agent Persistence, Defense Evasion, Credential Access
Analytics BIOC Modification of the AD FS IdentityServer configuration file The AD FS service configuration file was modified. Informational Identity Analytics XDR Agent with eXtended Threat Hunting (XTH) Persistence, Defense Evasion
BIOC Modification of Windows boot configuration using bcdedit.exe BCDEdit is a Microsoft Windows utility that can modify boot parameters. It is usually used as part of an attack to prevent repair of the affected system by disabling booting in recovery mode. It can also be used to stop Windows' Patchguard from objecting to the unsigned and insecure nature of a driver being loaded. Informational Platform Analytics Process execution Defense Evasion, Impact
BIOC MSBuild execution Attackers may use MSBuild.exe to proxy execution of code through a trusted Windows utility. Informational Platform Analytics Process execution Defense Evasion
Analytics BIOC MSI accessed a web page running a server-side script The Microsoft installer command line included a URL to a web page running a server-side script, which is suspicious. Informational Platform Analytics XDR Agent Defense Evasion
Analytics BIOC Msiexec execution of an executable from an uncommon remote location Msiexec is the command-line utility for the Windows Installer. Adversaries may abuse msiexec.exe to proxy execution of malicious payloads from remote locations. Informational Platform Analytics XDR Agent Defense Evasion
Analytics Multi region enumeration activity An internal identity performed an operation on multiple regions, considerably more than usual. This may indicate an attacker's attempt to identify all available resources in the cloud environment. Informational Cortex Cloud AWS Audit Log, Azure Audit Log, Gcp Audit Log Discovery, Defense Evasion
BIOC Netsh.exe modifies allowed firewall port/program lists Malware will often modify local firewall settings to permit untrusted software to communicate with the Internet for C2. Check for malicious use. Informational Platform Analytics Process execution Defense Evasion
BIOC New certificate added to the trusted root store Untrusted certificates could be used to install untrusted drivers and malicious code. Informational Platform Analytics Process execution Defense Evasion
BIOC Permissive file privileges were granted Setting readable, writable, and executable permissions for all users may pose a major security risk. Informational Platform Analytics Process execution Defense Evasion
BIOC Ping executed with loopback address This seemingly strange "wait" mechanism is often used by malware to stall command execution. Informational Platform Analytics Process execution Defense Evasion
BIOC Ping to a known external IP address Pinging a known external IP address is often used by malware to check internet connectivity. Informational Platform Analytics Process execution Defense Evasion
Analytics BIOC Ping to localhost from an uncommon, unsigned parent process Ping is often used by malware and attackers to delay the execution of suspicious commands in sandbox environments. Informational Platform Analytics XDR Agent Defense Evasion
Analytics BIOC Possible binary padding using dd A suspicious dd command ran and added data to a binary. This may indicate binary padding to change the hash of a file. Informational Platform Analytics XDR Agent Defense Evasion
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
BIOC Possible log destruction using the dd command Possible destruction of system log files using the dd command. Informational Platform Analytics File Defense Evasion
Analytics BIOC Potential DCSync by an unusual user Attackers may leverage the domain replication process to extract sensitive information (DCSync). Informational Identity Analytics Windows Event Collector, XDR Agent with eXtended Threat Hunting (XTH) Defense Evasion, Credential Access
Analytics BIOC Potential spoofing of internal domain spotted An external sender is possibly impersonating an employee by spoofing the company's internal address. Informational Email Security Microsoft 365 Emails Initial Access, Defense Evasion
BIOC PowerShell is used to execute a CPL file Attackers may use PowerShell.exe to execute a CPL file to achieve Control Panel proxy execution. Informational Platform Analytics Process execution Defense Evasion
BIOC PowerShell is used to modify a timestamp Attackers may use PowerShell.exe to modify the timestamp of a file. Informational Platform Analytics Process execution Defense Evasion
Analytics BIOC Punycode characters detected in URL(s) Punycode character(s) detected within URL(s) in email content. Informational Email Security Microsoft 365 Emails Defense Evasion, Execution
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 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 BIOC Removal of an Azure Owner from an Application or Service Principal An Azure Owner was removed from an application or service principal. This may indicate malicious activity or unauthorized access to the application or service. Informational Cortex Cloud Azure Audit Log Defense Evasion
BIOC Root certificate installed Installation of a root certificate on a compromised system would give an adversary a way to degrade the security of that system. Informational Platform Analytics Registry Defense Evasion
BIOC Root certificate installed Installation of a root certificate on a compromised system would give an adversary a way to degrade the security of that system. Informational Platform Analytics Process execution Defense Evasion
BIOC Rundll32 loads a known abused DLL Rundll32.exe is called to execute an arbitrary binary, this execution may also bypass whitelisting defenses as a signed Microsoft application. Informational Platform Analytics Process execution Defense Evasion
BIOC Scripting engine creates an Alternate Data Stream (ADS) Malware may hide data inside alternate data streams instead of inside a file. Informational Platform Analytics File Defense Evasion
Analytics BIOC Security object deletion in Google Workspace Admin Console A security object was deleted in Google Workspace Admin Console. Informational Identity Threat Detection (ITDR), SaaS Threat Detection Google Workspace Audit Logs Defense Evasion
BIOC Security services stopped Attackers may stop security critical services to avoid possible detection of their activities. Informational Platform Analytics Process execution Defense Evasion
Analytics BIOC Security tools detection attempt A script has executed commands that can be used to detect security tools. Informational Platform Analytics XDR Agent with eXtended Threat Hunting (XTH) Defense Evasion, Discovery
BIOC SELinux was set to permissive mode SELinux was set to permissive mode using the "setenforce 0" command. Informational Platform Analytics Process execution Defense Evasion
BIOC Shell binary copied to another location Attackers may try to evade detection by copying the shell binary to an innocent-looking name. Informational Platform Analytics Process execution Defense Evasion
Analytics Short-lived Azure AD user account An Azure AD user was created and deleted within a short period of time. Informational Identity Threat Detection (ITDR), SaaS Threat Detection AzureAD Audit Log Defense Evasion
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
BIOC SmartScreen disabled via Registry These Registry keys control the SmartScreen. Malware may turn it off to evade SmartScreen functionality. Informational Platform Analytics Registry Defense Evasion
Analytics BIOC Space after filename A file was created or renamed to have a space at the end of its name. Informational Platform Analytics XDR Agent with eXtended Threat Hunting (XTH) Defense Evasion
BIOC Space after filename creation An attacker may append a space to the end of a filename to change how it's processed by the operating system. Informational Platform Analytics File Defense Evasion
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 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
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 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
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 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