Detections
Explore public detection logic contributed by the community across SIEM and rule languages.
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Detects access to the FileZilla RecentServers.xml file, which contains historical server connection information. Attackers frequently target this file to extract stored FTP credentials, hostnames, and usernames for lateral movement or data exfiltration.
Detects ten or more Microsoft Entra sign-in failures for the same user from the same source IP within a five-minute window, identifying potential password guessing (brute force) activity against a single account.
The following analytic detects non-Chrome processes attempting to access the Chrome extensions file.
It leverages Windows Security Event logs, specifically event code 4663, to identify this behavior.
This activity is significant because adversaries may exploit this file to extract sensitive information from the Chrome browser, posing a security risk.
If confirmed malicious, this could lead to unauthorized access to stored credentials and other sensitive data, potentially compromising the security of the affected system and broader network.
It leverages Windows Security Event logs, specifically event code 4663, to identify this behavior.
This activity is significant because adversaries may exploit this file to extract sensitive information from the Chrome browser, posing a security risk.
If confirmed malicious, this could lead to unauthorized access to stored credentials and other sensitive data, potentially compromising the security of the affected system and broader network.
The following analytic identifies non-Chrome processes accessing the Chrome user data file "login data."
This file is an SQLite database containing sensitive information, including saved passwords.
The detection leverages Windows Security Event logs, specifically event code 4663, to monitor access attempts.
This activity is significant as it may indicate attempts by threat actors to extract and decrypt stored passwords, posing a risk to user credentials.
If confirmed malicious, attackers could gain unauthorized access to sensitive accounts and escalate their privileges within the environment.
This file is an SQLite database containing sensitive information, including saved passwords.
The detection leverages Windows Security Event logs, specifically event code 4663, to monitor access attempts.
This activity is significant as it may indicate attempts by threat actors to extract and decrypt stored passwords, posing a risk to user credentials.
If confirmed malicious, attackers could gain unauthorized access to sensitive accounts and escalate their privileges within the environment.
Windows PowerShell Password Input Window
Cortex XDR
Detects a user-session window titled 'Password Input' associated with PowerShell, PowerShell Core, or PowerShell ISE processes. This technique may be used for GUI-based credential capture or social engineering.
Detects the presence of API strings and function names in EDR telemetry associated with the LxBaseRAT keylogging module. The rule monitors for the usage of low-level keyboard hooks (WH_KEYBOARD_LL) and state polling functions (GetAsyncKeyState, GetKeyboardState) commonly used by malicious software to capture user input.
This rule detects suspicious outbound network connections from common container runtime processes (e.g., containerd.exe, dockerd.exe) to well-known cloud instance metadata services (169.254.169.254, 100.100.100.200) or suspicious attempts to access container image manifests, which are indicative of SSRF attacks, credential theft from the metadata API, or potential container escape attempts.
Detects the use of the built-in Windows tool 'wbadmin.exe' to perform a system backup that specifically includes the Active Directory database (ntds.dit) along with SYSTEM and SECURITY registry hives. This technique is often used by adversaries to perform offline credential theft by creating an accessible copy of sensitive domain files.
Detects anomalous, non-browser process activity interacting with Microsoft Teams APIs associated with the TWINLOOT threat campaign. The rules identify suspicious token retrieval requests and unauthorized authentication headers from processes that do not identify as legitimate browser or Teams application agents, indicating potential abuse of application access tokens and authentication flows.
This rule detects suspicious outbound network connections from common container runtime processes (e.g., containerd.exe, dockerd.exe) to well-known cloud instance metadata services (169.254.169.254, 100.100.100.200) or suspicious attempts to access container image manifests, which are indicative of SSRF attacks, credential theft from the metadata API, or potential container escape attempts.
This analytic detects uncommon processes reading or requesting read access to sensitive files from cloud providers on Windows endpoints.
It monitors Windows Security Event 4663 for ReadData (AccessMask 0x1) operations against sensitive files from cloud providers such as Azure.
Access by any process outside the known toolchain may indicate credential theft or cloud identity reconnaissance activity, including infostealer behavior such as one observed in Vidar Stealer variants.
This detection currently only supports Azure sensitive files, but will be extended to support other cloud providers in the future.
It monitors Windows Security Event 4663 for ReadData (AccessMask 0x1) operations against sensitive files from cloud providers such as Azure.
Access by any process outside the known toolchain may indicate credential theft or cloud identity reconnaissance activity, including infostealer behavior such as one observed in Vidar Stealer variants.
This detection currently only supports Azure sensitive files, but will be extended to support other cloud providers in the future.
Detects more than ten failed Password Safe authentication attempts for the same user within a ten-minute window, specifically when the failure reason is due to an invalid username or password. This pattern is indicative of potential brute-force or password-guessing activity.
This rule detects the suspicious execution of the psql.exe command-line client interacting with the Veeam Backup database. It specifically monitors for attempts to query database tables containing sensitive user_name and password information, often correlated with WMI or encoded PowerShell execution, which suggests an attempt to extract credentials from backup software.
This rule detects the use of 'osascript' on macOS to generate a fake credential prompt dialog. It specifically looks for AppleScript commands containing keywords such as 'display dialog', 'password', and either 'with hidden answer' or 'Enter your password'. This behavior is characteristic of an adversary attempting to phish user credentials by presenting a legitimate-looking prompt.
This rule monitors Azure Key Vault operations, specifically focusing on unauthorized or excessive retrieval of secrets, keys, or certificates. It triggers when a specific user or service principal makes 10 or more requests for unique assets within a 10-minute window, which may indicate automated discovery, mass exfiltration, or a brute-force attempt to harvest credentials stored within the vault.
Detects command-line activity indicating an attempt to extract generic passwords from Google Chrome or Brave browser credential storage, often associated with tools that access the 'Safe Storage' or similar password databases.
Detects suspicious Active Directory Replication Service (ADRS) requests originating from
a machine account (SubjectUserName ending in '$') rather than a legitimate Domain Controller.
Under normal operation, only Domain Controllers initiate replication requests carrying the
DS-Replication-Get-Changes-All right. If a threat actor obtains valid machine account
credentials — for example by abusing certificate-based authentication (PKINIT) to
impersonate a DC after exploiting a CA vulnerability such as CVE-2026-54121 (Certighost),
where a temporary machine account is created to request a DC certificate and then used to
perform DCSync — they can dump all domain credential material including the krbtgt hash.
a machine account (SubjectUserName ending in '$') rather than a legitimate Domain Controller.
Under normal operation, only Domain Controllers initiate replication requests carrying the
DS-Replication-Get-Changes-All right. If a threat actor obtains valid machine account
credentials — for example by abusing certificate-based authentication (PKINIT) to
impersonate a DC after exploiting a CA vulnerability such as CVE-2026-54121 (Certighost),
where a temporary machine account is created to request a DC certificate and then used to
perform DCSync — they can dump all domain credential material including the krbtgt hash.
This rule detects potential credential stuffing or brute force attacks against a SonicWall VPN device. It identifies scenarios where a single source IP experiences multiple failed authentication attempts within a 15-minute window, followed by at least one successful authentication on the same destination host.
A GitHub maintainer account related to the keyv/cacheable npm package ecosystem was compromised. The attacker published malicious versions of these packages, which affected more than 400 npm packages. The malware is designed to steal cloud credentials, developer secrets, CI/CD secrets, AI tool configuration files, and cryptocurrency wallet data. It also creates persistence using Claude Code hooks and VS Code tasks.json files, and sends stolen data to attacker-controlled GitHub repositories and C2 domains.
Reference article: https://www.wiz.io/blog/keyv-and-cacheable-npm-supply-chain-attack
Reference article: https://www.wiz.io/blog/keyv-and-cacheable-npm-supply-chain-attack
This rule detects unauthorized or unexpected processes accessing sensitive browser data files, specifically 'Login Data' (password databases) and 'Cookies' files, located in standard macOS browser paths for Google Chrome and Firefox. By excluding legitimate browser and system update processes, the rule identifies potential credential dumping or session hijacking attempts.
User All Event Log Activity
Cortex XDR
This rule monitors Windows event logs for activity involving the SAM account name, which may indicate account enumeration, credential access attempts, or malicious modifications to account security settings.
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