Detections
Explore public detection logic contributed by the community across SIEM and rule languages.
51 detections
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Detects command-line attempts to access or dump macOS Keychain data using native utilities or direct file access.
This includes credential dumping via the `security` utility (e.g. `dump-keychain -d`), bulk certificate export using `security find-certificate`, and direct file copying of Keychain database files using utilities such as `cat`.
Keychain files are located in `~/Library/Keychains/`, `/Library/Keychains/`, and `/Network/Library/Keychains/`.
This technique is commonly associated with post-exploitation credential harvesting, where an attacker with local access seeks to escalate privileges or move laterally by obtaining stored credentials for applications, Wi-Fi networks, system services, and certificates.
This includes credential dumping via the `security` utility (e.g. `dump-keychain -d`), bulk certificate export using `security find-certificate`, and direct file copying of Keychain database files using utilities such as `cat`.
Keychain files are located in `~/Library/Keychains/`, `/Library/Keychains/`, and `/Network/Library/Keychains/`.
This technique is commonly associated with post-exploitation credential harvesting, where an attacker with local access seeks to escalate privileges or move laterally by obtaining stored credentials for applications, Wi-Fi networks, system services, and certificates.
This rule detects the use of the macOS 'security' utility to unlock the login keychain and modify its access-control list, a technique observed in PamStealer malware to facilitate subsequent unauthorized access to the keychain database.
This rule detects the use of the macOS 'security' utility to unlock the login keychain and modify its access-control list, a technique observed in PamStealer malware to facilitate subsequent unauthorized access to the keychain database.
This rule detects the use of the macOS 'security' utility to unlock the login keychain and modify its access-control list, a technique observed in PamStealer malware to facilitate subsequent unauthorized access to the keychain database.
This rule detects the use of the macOS 'security' utility to unlock the login keychain and modify its access-control list, a technique observed in PamStealer malware to facilitate subsequent unauthorized access to the keychain database.
This rule detects the use of the macOS 'security' utility to unlock the login keychain and modify its access-control list, a technique observed in PamStealer malware to facilitate subsequent unauthorized access to the keychain database.
Detects the removal of the com.apple.quarantine extended attribute from a file followed by the execution of the macOS 'security' utility to dump or retrieve passwords from the Keychain within a 5-minute window. This sequence is indicative of an adversary attempting to bypass Gatekeeper-related restrictions on a potentially malicious tool, followed by unauthorized access to sensitive credentials stored in the Keychain.
This rule detects the use of the 'security' command-line utility on macOS to access or dump contents from the login keychain, specifically targeting the 'login.keychain-db' file or attempting to retrieve generic passwords. This behavior is indicative of credential access attempts where an adversary is trying to extract sensitive information, such as passwords or keys, stored within the macOS Keychain.
This rule detects the use of the 'security' command-line utility on macOS to access or dump contents from the login keychain, specifically targeting the 'login.keychain-db' file or attempting to retrieve generic passwords. This behavior is indicative of credential access attempts where an adversary is trying to extract sensitive information, such as passwords or keys, stored within the macOS Keychain.
MacSync Stealer (formerly known as Mac.c) is a macOS information stealer offered as a Malware-as-a-Service (MaaS). On May 5, 2026, researchers identified a new C2 domain (jacksonvillemma[.]com) delivering the malware's Stage 2 loader. Notably, this new infrastructure was active just days after the operator's previous C2 domain was publicly exposed, highlighting the threat actor's agility in rotating their delivery architecture.
Detects abuse of the macOS `security` CLI to unlock the login keychain and suppress interactive prompts, or to delete/recreate the 'Chrome Safe Storage' keychain entry with an attacker-chosen password, matching AmnesiaStealer's keychain and cookie-decryption technique.
Detects an embedded AppleScript using Finder's 'duplicate' command to copy Safari cookies, Notes attachments, and the Keychains folder to a randomly named staging directory, avoiding direct TCC prompts as used by AmnesiaStealer.
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.
Detects the macOS security CLI dumping the Claude Code OAuth credential item from Keychain (find-generic-password -w targeting 'Claude Code-credentials') by a process other than Claude Code itself, indicating credential theft targeting the coding agent's stored token.
Detects a decrypted Keychain dump (security dump-keychain -d) spawned from a Cursor/coding-agent process with output filtered for Linear, MCP, or OAuth-related strings, indicating targeted credential theft of MCP/Linear integration tokens.
Detects potential credential theft attempts targeting macOS Keychain. It identifies the use of the 'security' utility with commands like 'dump-keychain' or 'find-generic-password' and monitors for unauthorized processes accessing files within the 'Library/Keychains' directory.
No description available.
This rule detects macOS infostealer activity, such as AMOS, MacSync, or SHub, by identifying suspicious, correlated access to sensitive credential stores including the macOS Keychain, web browser credential databases (Chrome), SSH keys, and cryptocurrency wallet configuration files. It uses a combination of path/command-line strings and generic indicators of credential harvesting behavior.
Detects a decrypted Keychain dump (security dump-keychain -d) spawned from a Cursor/coding-agent process with output filtered for Linear, MCP, or OAuth-related strings, indicating targeted credential theft of MCP/Linear integration tokens.
Detects the macOS security CLI dumping the Claude Code OAuth credential item from Keychain (find-generic-password -w targeting 'Claude Code-credentials') by a process other than Claude Code itself, indicating credential theft targeting the coding agent's stored token.
Detects execution or file drop of the GHOSTBLADE keychain-dumping module (keychain_copier.js) or its parent implant (ghostblade.js) on a device following DarkSword iOS exploit-chain compromise.
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