Detections
Explore public detection logic contributed by the community across SIEM and rule languages.
956 detections
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Detects instances where processes other than the legitimate Telegram Desktop application or its updater attempt to access files within the Telegram Desktop 'tdata' directory. This directory contains session information, which can be harvested by malicious actors to hijack user sessions or access sensitive information.
Detects instances where processes other than the legitimate Telegram Desktop application or its updater attempt to access files within the Telegram Desktop 'tdata' directory. This directory contains session information, which can be harvested by malicious actors to hijack user sessions or access sensitive information.
Detects the use of database or archiving command-line utilities to export data related to RADIUS services. The rule filters out known backup service accounts and authorized backup processes, flagging activity that occurs outside of standard business hours or is performed by accounts not explicitly designated for administrative or database maintenance tasks.
Detects unauthorized processes attempting to access sensitive application data files such as browser cookies, local state, or data stored by applications like Discord, Telegram, and Steam, which are frequent targets for credential-stealing malware.
Detects automated searching (via grep, findstr, or select-string) for sensitive strings (e.g., API keys, private keys, wallet data) across multiple occurrences on a single host, or the creation of suspicious sensitive files (e.g., .env, credentials, wallet.dat) on devices where such automated sweeping activity has been observed. This pattern indicates an adversary staging data for exfiltration.
Detects automated searching (via grep, findstr, or select-string) for sensitive strings (e.g., API keys, private keys, wallet data) across multiple occurrences on a single host, or the creation of suspicious sensitive files (e.g., .env, credentials, wallet.dat) on devices where such automated sweeping activity has been observed. This pattern indicates an adversary staging data for exfiltration.
Detects unauthorized access and data retrieval attempts from a MinIO object storage instance using default administration credentials (minioadmin:minioadmin). The rule monitors both command-line execution of MinIO client (mc) operations and network connections to MinIO service ports (9000/9001) that involve the use of the default credential pair.
Detects unauthorized access and data retrieval attempts from a MinIO object storage instance using default administration credentials (minioadmin:minioadmin). The rule monitors both command-line execution of MinIO client (mc) operations and network connections to MinIO service ports (9000/9001) that involve the use of the default credential pair.
This rule detects processes accessing or files being interacted with that are known to contain sensitive information, including API keys, credential files, database configurations, and cryptocurrency wallets. It monitors command-line activity for utilities like python, bash, and grep interacting with sensitive strings, and tracks file system access to sensitive paths.
This rule detects the creation or modification of a file named 'ClipBoard.txt' within the directory 'AppData\Roaming\ConfigsEx\', as well as the creation of the 'ConfigsEx' directory using command-line tools. This behavior is indicative of an adversary staging sensitive information, such as harvested clipboard data, for potential exfiltration.
Detects specific malicious processes (smdqservice.exe, winappx.exe) or suspicious paths associated with the CHOSEN BRICK malware suite writing image files (png, jpg, jpeg, bmp) to sensitive system directories. This activity typically precedes the exfiltration of sensitive desktop capture data to C2 infrastructure.
Detects high-volume filesystem activity (exceeding 300 operations in 5 minutes) initiated by 'claude-code' or 'claude' processes. This behavior may indicate an autonomous, patched, or jailbroken AI coding assistant performing mass file operations or reconnaissance without user confirmation.
Detects high-volume filesystem activity (exceeding 300 operations in 5 minutes) initiated by 'claude-code' or 'claude' processes. This behavior may indicate an autonomous, patched, or jailbroken AI coding assistant performing mass file operations or reconnaissance without user confirmation.
This rule detects potentially malicious file access patterns by the executable 'comet.exe'. It alerts when this process accesses sensitive files or directories associated with credentials, configuration files, or sensitive browser data, while explicitly excluding benign locations such as Chrome data folders and temporary directories.
Detects instances where a process named 'comet.exe' (or 'comet') accesses sensitive file system locations such as Documents, Desktop, Pictures, or system directories like /etc/ or C:\Windows\. This rule excludes known-legitimate installation and application directories associated with Comet software to reduce noise.
Detects instances of the Comet AI agent (comet.exe) accessing files on the local filesystem outside of expected directories such as the browser's download directory, application profile, or temporary folder. This behavior is indicative of a compromised or malicious agent attempting to exfiltrate or interact with arbitrary local files.
Detects unauthorized processes (non-browser applications) creating, modifying, or renaming sensitive browser data files such as Login Data, Cookies, or local state files within standard browser profile directories. This activity is indicative of credential harvesting or session hijacking attempts by malicious software.
Detects unauthorized processes (non-browser applications) creating, modifying, or renaming sensitive browser data files such as Login Data, Cookies, or local state files within standard browser profile directories. This activity is indicative of credential harvesting or session hijacking attempts by malicious software.
Detects unauthorized processes (non-browser applications) creating, modifying, or renaming sensitive browser data files such as Login Data, Cookies, or local state files within standard browser profile directories. This activity is indicative of credential harvesting or session hijacking attempts by malicious software.
Detects unauthorized processes (non-browser applications) creating, modifying, or renaming sensitive browser data files such as Login Data, Cookies, or local state files within standard browser profile directories. This activity is indicative of credential harvesting or session hijacking attempts by malicious software.
Detects the 'Comet.exe' process, associated with the Perplexity Comet AI agent, accessing sensitive system files or configuration directories outside its expected scope. This pattern of file interaction is characteristic of unauthorized data collection or exfiltration attempts, specifically linked to the BragJack threat activity.
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