Detectors

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

367 detectors match the current filters.

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Type Name Severity Module Data source / event ATT&CK
BIOC 64-bit PowerShell spawning a 32-bit PowerShell Malware typically spawns 32-bit processes to work on as many hosts as possible. This case is therefore suspicious when it happens on a 64-bit host. Low Platform Analytics Process execution Execution
BIOC 7z.exe execution with password protection parameters 7z.exe was executed with parameters indicating password protection of the output file. Informational Platform Analytics Process execution Collection
BIOC A scripting engine was called to run in command line Scripting engines that are called to run in command line are used by attackers to run a script payload without a UI. Informational Platform Analytics Process execution Execution
BIOC Accessing bash history file Clearing bash history file is a known procedure of attackers to delete traces. Low Platform Analytics Process execution Defense Evasion
BIOC Accessing bash history file using bash commands Clearing bash history files is a known attacker procedure for covering their tracks. Low Platform Analytics Process execution Defense Evasion
BIOC Account creation via command-line tool The useradd/adduser command could be used to create user accounts or to add users to existing groups. Informational Platform Analytics Process execution Persistence
BIOC Active directory enumeration using built-in nltest.exe Nltest.exe is a command-line tool used for network administrative tasks, and can be used to gather information about domain controllers and users. Informational Platform Analytics Process execution Discovery
BIOC Active Setup Registry Autostart Suspicious modification of the active setup registry for persistence and privilege escalation. Low Platform Analytics Registry Persistence
BIOC ADFind queries Active Directory for Exchange groups A process executed with ADFind parameters and used to extract data on built-in groups for the Exchange server (e.g. "Organization Management"). Informational Platform Analytics Process execution Discovery
BIOC Administrator obtains access rights to a file using icacls.exe Grant an administrator file access privileges. Informational Platform Analytics Process execution Defense Evasion
BIOC Adobe Acrobat Reader drops an executable file to disk The Acrobat Reader process dropped a new executable file to the disk. Unusual activity, possibly indicative of exploitation or social engineering attempt. Informational Platform Analytics File Initial Access
BIOC Adobe reader spawns a browser If a user clicks a URL link contained in a PDF document, it will cause the Adobe Reader process to spawn a browser process. It has legitimate uses, but check for possible phishing attempts. Informational Platform Analytics Process execution Initial Access
BIOC AMSI Bypass AMSI (Antimalware Scan Interface) provides enhanced malware protection on Windows 10 machines. Attackers may try to bypass this mechanism and run malicious code. Medium Platform Analytics Process execution Defense Evasion
BIOC An executable compiled with a py2exe-like program was executed A py2exe-like program DLL file dropped to disk. Informational Platform Analytics File Execution
BIOC Base64 decoding using the base64 utility Base64 decoding using the base64 utility with the -d argument provided. Informational Platform Analytics Process execution Defense Evasion
BIOC Base64 encoding used Attackers may use the base64 built-in binary to encode data into base64. Informational Platform Analytics Process execution Command and Control
BIOC Bitsadmin.exe used to download data Some attacks were known for abusing BITSAdmin in the past to hide how data was downloaded using legitimate Windows tools. Informational Platform Analytics Process execution Persistence
BIOC Bitsadmin.exe used to upload data Some attacks are known to abuse BITSAdmin to hide how data upload using legitimate Windows tools. High Platform Analytics Process execution Exfiltration, Defense Evasion
BIOC BitTorrent P2P file sharing The host used BitTorrent for P2P file sharing (according to the App-ID), which is typically not allowed in corporate networks and may be used to exfiltrate information. Informational Platform Analytics Dml connection Exfiltration
BIOC Browser downloads an .hta or .application file .hta and .application files are Windows applications that may serve as an attack vector by executing code maliciously using trusted Windows applications. Informational Platform Analytics File Defense Evasion
BIOC Built-in SoundRecorder tool capturing audio SoundRecorder is a built-in voice recording tool. Besides benign usage, it may be used to discreetly record a user. Informational Platform Analytics Process execution Collection
BIOC Bypass UAC using the control.exe Registry key Control.exe is a Registry key known to be altered by attackers to allow themselves to run their malware with elevated privileges. Medium Platform Analytics Registry Privilege Escalation
BIOC Bypass UAC using the IsolatedCommand Registry value IsolatedCommand is a Registry value known to be altered by attackers to allow themselves to run their malware with elevated privileges. Medium Platform Analytics Registry Privilege Escalation
BIOC Bypassing Windows UAC using sysprep Attackers may use the sysprep.exe built-in Windows tools to bypass Windows UAC. Informational Platform Analytics Process execution Privilege Escalation
BIOC Changing permissions or ownership of a file or folder Changing the permissions or ownership of a file or folder can be done to get access to sensitive data. Informational Platform Analytics Process execution Defense Evasion
BIOC Chrome launched in Incognito mode May be used to cover up malware or malicious insider activity. Informational Platform Analytics Process execution Defense Evasion
BIOC Chrome runs with key security features disabled This chrome process ran with command line arguments that disabled key security features disabled. It can have legitimate uses, but this technique is often used by malware to load malicious or untrusted browser extensions. Low Platform Analytics Process execution Persistence
BIOC Clear event logging policy using auditpol.exe Attackers may clear Windows Event Logging policies using auditpol.exe. Informational Platform Analytics Process execution Defense Evasion
BIOC Clear logs - using dd and /dev/null Usage of the dd utility to clear the contents of a file using /dev/null. Medium Platform Analytics Process execution Defense Evasion
BIOC Clearing logs by copying /dev/null to a log file Usage of the cp command to copy /dev/null to a file and clear its content. Informational Platform Analytics Process execution Defense Evasion
BIOC Clearing logs by executing cat /dev/null Usage of cat /dev/null to clear the contents of a log file. Informational Platform Analytics Process execution Defense Evasion
BIOC Cleartext password harvesting using find tools On Windows, the find and findstr tools can be used to find content in files on disk. This rule is looking for cases where the find command is looking for the string 'password', which indicates an attempt to find passwords. Informational Platform Analytics Process execution Credential Access
BIOC Collecting audio via PowerShell command An attacker may collect audio from the microphone using PowerShell. Low Platform Analytics Process execution Collection
BIOC Command enumeration via sudo The 'sudo -l' command was executed to enumerate commands that can be executed by a user. Informational Platform Analytics Process execution Privilege Escalation
BIOC Command-line arguments match Mimikatz execution These command-line arguments are often used by Mimikatz to dump credentials. High Platform Analytics Process execution Credential Access
BIOC Command-line creation of a RAR archive Compression of data into a RAR archive using the rar.exe utility. Informational Platform Analytics Process execution Collection
BIOC Common Apple process name missing Apple digital signature These common Apple process names should normally be signed with the Apple Inc. digital signature. Naming processes with common names is a common way attackers obfuscate their activities. Informational Platform Analytics Process execution Defense Evasion
BIOC Common Mozilla process name missing Mozilla digital certificate These common Mozilla process names should normally be signed with the Mozilla Corporation digital signature. Naming processes with common names is a common way attackers obfuscate their activities. Informational Platform Analytics Process execution Defense Evasion
BIOC Commonly abused AutoIT script connects to a remote host AutoIT scripts have legitimate uses, but are often abused by malware to execute in a signed process context. Low Platform Analytics Network Exfiltration
BIOC Commonly abused host process modifies the Windows shim cache Has legitimate usage for Microsoft patches, but check for malicious execution for persistence. Known FIN7/Carbanak technique. Informational Platform Analytics Process execution Persistence
BIOC Commonly abused process executed with obfuscated characters Commonly abused process executed with obfuscated characters. Informational Platform Analytics Process execution Defense Evasion
BIOC Commonly abused process executes by a remote host using PsExec This commonly abused shell/host process was spawned by psexesvc.exe, indicating it was called by a remote host via PsExec. Informational Platform Analytics Process execution Lateral Movement, Execution
BIOC Commonly abused process launches as a system service This commonly abused host process has been launched by a services.exe parent, indicating it has been installed as a system service. This behavior can have legitimate uses, but often used by malware as a persistence mechanism. Informational Platform Analytics Process execution Execution
BIOC Commonly abused process spawns from Scripted Diagnostics Host This Scripted Diagnostics Host (sdiagnhost.exe) process has been observed launching a commonly abused host process. This behavior is known to be associated with an exploitation technique designed to deliver a malicious payload, often via a weaponized document. https://www.proofpoint.com/us/threat-insight/post/windows-troubleshooting-platform-leveraged-deliver-malware. Informational Platform Analytics Process execution Execution
BIOC Commonly abused process spawns out of rundll32.exe This type of execution happens in .dll based attacks. Informational Platform Analytics Process execution Defense Evasion
BIOC Compiled HTML (help file) makes network connections Compiled HTML (help files) should not normally need to connect to the network. This may have limited legitimate uses, yet this behavior is often observed by malware leveraging malicious CHM files to deliver a 2nd stage payload. Informational Platform Analytics Network Defense Evasion
BIOC Compiler process started by an Office process The processes (csc.exe & vbc.exe) invoke compilers via command prompt and compile a payload on the fly. This is leveraged by attackers to create a new payload on every machine. Informational Platform Analytics Process execution Defense Evasion
BIOC Compressed archive created using tar Attackers may use the tar built-in tool to stage a file for exfiltration. Informational Platform Analytics Process execution Collection
BIOC Container enumeration An attacker may run a command to enumerate containers on a machine. Informational Platform Analytics Process execution Discovery
BIOC Creation of a new Microsoft Office default template Microsoft Office contains default templates that open whenever you start Word or Excel. Attackers may create them to establish persistence. Informational Platform Analytics File Persistence
BIOC Creation of volume shadow copy using vssadmin.exe An attacker may create volume shadow copies to gain access to protected or locked files, whereas backup is the common legitimate use. Informational Platform Analytics Process execution Credential Access
BIOC Credential dumping via fgdump.exe Attackers may use fgdump.exe to perform local credential dumping. Medium Platform Analytics Process execution Credential Access
BIOC Credential dumping via gsecdump.exe Attackers may use gsecdump to obtain password hashes and LSA secrets. Medium Platform Analytics Process execution Credential Access
BIOC Credential dumping via LaZagne LaZagne has been executed. Attackers may use this tool to gather account and password information from credential dumping. High Platform Analytics Process execution Credential Access
BIOC Credential dumping via pwdumpx.exe Attackers may use pwdumpx.exe to perform local or remote credential dumping. Medium Platform Analytics Process execution Credential Access
BIOC Credential dumping via wce.exe Attackers may use wce.exe (Windows Credential Editor) to obtain user credentials. Medium Platform Analytics Process execution Credential Access
BIOC Credential Vault command-line access The Credential Vault command line was used to enumerate a user's saved credentials. Medium Platform Analytics Process execution Credential Access
BIOC Credentials from Web Browsers Detects attempt to copy browser files to acquire credentials. Informational Platform Analytics Process execution Credential Access
BIOC Curl connects to an external network Curl is a command-line utility used to transfer data. Attackers may use curl to exfiltrate data outside your organization. Informational Platform Analytics Network Exfiltration
BIOC Data destruction using sdelete.exe Attackers may use sdelete.exe to delete files from the target host. Informational Platform Analytics Process execution Defense Evasion, Impact
BIOC Delete Volume USN Journal with fsutil This technique is used by attackers to eliminate evidence of files created during post-exploitation activities. Medium Platform Analytics Process execution Defense Evasion
BIOC Direct access to free online DNS servers Online DNS servers are often used to bypass the company's internal DNS servers and evade detection. Informational Platform Analytics Network Command and Control
BIOC Disable outlook security via Registry Attackers may try to disable outlook security features by modifying the Registry. Informational Platform Analytics Registry Defense Evasion
BIOC Disabling Windows Defender via Registry Windows Defender stores its configuration in the Registry. By modifying these values, an attacker can disable security features. Informational Platform Analytics Registry Defense Evasion
BIOC Discovery of files with setgid or setuid bits Attackers may try to locate files with setgid or setuid bits set to escalate privileges. Informational Platform Analytics Process execution Privilege Escalation
BIOC DLL sideloading attack using Xwizard Xwizard has a known DLL-sideloading vulnerability, which involves moving the legitimate Xwizard.exe file into a new directory along with a malicious Xwizard.dll file. This is a possible indicator of an attacker preparing to execute a DLL-sideloading attack. Low Platform Analytics Process execution Defense Evasion
BIOC DNS reconnaissance or enumeration via DNSRecon DNSRecon enables DNS reconnaissance and enumeration, and may be used by attackers to learn about targets' network infrastructure. Medium Platform Analytics Process execution Discovery
BIOC DNS resolution to the Palo Alto Networks sinkhole DNS resolution to the Palo Alto Networks sinkhole. Informational Platform Analytics Network Command and Control
BIOC Document discovery Attackers may use the find command to look for documents. Informational Platform Analytics Process execution Discovery
BIOC Driver written to a temporary directory Drivers are highly unlikely to be written or moved to a temp directory. Check whether this driver is legitimate. Informational Platform Analytics File Defense Evasion
BIOC Dumping lsass.exe memory for credential extraction Dumping lsass.exe memory to a file allows attackers to later extract credentials from the dumped memory. Medium Platform Analytics Process execution Credential Access
BIOC Dumping Registry hives with passwords Dumping registry hives can be used to obtain stored credentials/hashes. Low Platform Analytics Process execution Credential Access
BIOC Encoded VBScript executed Attackers tend to hide their malicious behavior in many ways, one of which is obfuscating their code via encoding. High Platform Analytics Process execution Execution, Defense Evasion
BIOC Encrypted zip archive creation Attackers may stage information for exfiltration by encrypting it beforehand in a zip archive. Informational Platform Analytics Process execution Collection
BIOC Enumeration command called by commonly abused CGO Some malware uses these commands for reconnaissance. Informational Platform Analytics Process execution Discovery
BIOC Enumeration of installed AV or FW products using WMIC Attackers often check for the existence of security tools before launching an attack, and this is one of the methods that can be used. Informational Platform Analytics Process execution Discovery
BIOC Enumeration of services via WMIC Attackers may enumerate existing services using wmic.exe. Informational Platform Analytics Process execution Discovery, Execution
BIOC Enumeration of Windows services from public IP addresses Attackers may enumerate internet-facing services which use Windows protocols; as these services were not meant to be exposed to the internet, they may be attacked by enumerating users, brute-forcing passwords and through exploits. Informational Platform Analytics Dml connection Discovery
BIOC Evasion using time-based properties Attackers may check Event Log to evade virtualized environments. Informational Platform Analytics Process execution Defense Evasion, Discovery
BIOC EventLog service disabled by a Registry operation A Registry set-value operation that disables the EventLog service was executed on the machine. High Platform Analytics Registry Defense Evasion
BIOC Excel Web Query file created on disk Excel uses Excel Web Query (.iqy) files to download data from the internet. There are campaigns in which .iqy files download a PowerShell script, which is launched via Excel and kicks off a chain of malicious downloads. Informational Platform Analytics File Initial Access
BIOC Exchange process writing aspx files An exchange process is writing to .aspx files. This may be an actor dropping web shells. High Platform Analytics File Initial Access, Command and Control
BIOC Executable copied to remote host via admin share An executable file was written to a remote host's shared system folder (such as c:\ or c:\windows) from an unsigned CGO process. Informational Platform Analytics File Lateral Movement
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
BIOC Execution of Fsociety tool pack The Fsociety tool pack is an array of tools for information gathering, password attacks, exploitation, and more. Medium Platform Analytics Process execution Discovery, Credential Access
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
BIOC Execution of WSL Distro Detecting a new instance execution of Windows Subsystem for Linux distro. Informational Platform Analytics File 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
BIOC Fontdrvhost.exe makes network connections A remote code execution vulnerability(CVE-2020-1020) exists in the Windows Adobe Type Manager Library. Network activity of the vulnerable process fontdrvhost.exe can be a possible indicator of exploitation. Informational Platform Analytics Network Execution
BIOC Forensics Driver Loaded A forensics driver has been loaded. Informational Platform Analytics Module Collection, Credential Access
BIOC FTP/SSH client reads office files Seeing FTP/SSH related software accessing office files could be an indication of data exfiltration. Low Platform Analytics File Exfiltration
BIOC Gost tunneling execution Possible use of Gost (tunnel written in Golang) SSH tunnel. Medium Platform Analytics Process execution Command and Control
BIOC Grepping for passwords Attackers may look for cleartext passwords in files using the grep command. Informational Platform Analytics Process execution Credential Access
BIOC Group policy discovery using gpresult.exe Attackers may use gpresult.exe to gather information on Group Policy settings. Informational Platform Analytics Process execution Discovery
BIOC GUI Input Capture Prompt user to supply a password in response to a System Preference dialog pop up message. Informational Platform Analytics Process execution Credential Access
BIOC Hash cracking using Hashcat tool Hash cracking allows attackers to collect passwords and use them later on as part of their operation. Medium Platform Analytics Process execution Credential Access
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