Detections
Explore public detection logic contributed by the community across SIEM and rule languages.
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This rule monitors for indicators of compromise (IOCs) associated with the threat actor SideCopy and their associated malware, such as ReverseRAT. It hunts for specific malicious SHA256 file/process hashes, connections to known malicious C2 infrastructure (IPs and domains), requests to known malicious URLs, and user interaction with these URLs via email clicks.
Detects the use of a malicious 'borlndmm.dll' file intended for DLL side-loading to deploy the OnyxC2 stealer payload. The rule identifies files masquerading as NVIDIA graphics libraries or Borland memory managers that contain embedded encrypted payloads, matching known indicators for OnyxC2 activity.
Detects OnyxC2 RunPE injection behavior where a process drops or loads a suspicious sideloaded DLL (specifically borlndmm.dll) and immediately initiates a secondary process instance, indicative of process hollowing or memory unpacking of a malicious payload.
Detects the use of WinRAR to open or extract password-protected ZIP archives containing 'Setup_File' in the filename, immediately followed by the execution of a file extracted into a WinRAR temporary directory. This behavior is associated with the OnyxC2 delivery chain, where attackers use password-protected archives to bypass security scanning.
This rule detects suspicious activity involving macOS LaunchAgents and files within the 'Application Support/System' directory, often associated with persistence or malicious background execution. The detection looks for the creation or modification of specific plist files (e.g., com.apple.finder.agent.plist) or git-related files in Application Support, correlated with process execution of commands like 'sysnotif-repair', 'launchctl' manipulating agents, or git operations involving custom hooks paths.
Detects malicious Android application installation or launch behavior consistent with the 'Corp MDM' implant. This rule specifically identifies instances where a package named 'com.corp.mdm' is installed or launched and rapidly requests a combination of high-risk permissions including SMS and telephony access (RECEIVE_SMS, READ_SMS, CALL_PHONE) alongside notification permissions, which is characteristic of the implant's initial setup phase.
This rule monitors for the creation of known Neo-reGeorg web shell files ('tunnel.jsp', 'tunnel.jspx') within common web server directory paths, such as 'webapps', 'applications', 'wlserver', 'PSHTTP', 'PORTAL', or 'webserv'. Neo-reGeorg is a popular tunneling web shell used by adversaries to facilitate persistent access and proxy traffic into a compromised environment.
Detects anomalous AI-assisted activity where multiple processes (specifically AI developer tools) appear to be chaining operations by writing to and reading from shared local directories (e.g., 'handoff', 'artifacts') followed by network requests to known AI service APIs. This pattern may indicate automated task chaining or unauthorized exfiltration of context/code to AI platforms.
Detects anomalous AI-assisted activity where multiple processes (specifically AI developer tools) appear to be chaining operations by writing to and reading from shared local directories (e.g., 'handoff', 'artifacts') followed by network requests to known AI service APIs. This pattern may indicate automated task chaining or unauthorized exfiltration of context/code to AI platforms.
Detects anomalous AI-assisted activity where multiple processes (specifically AI developer tools) appear to be chaining operations by writing to and reading from shared local directories (e.g., 'handoff', 'artifacts') followed by network requests to known AI service APIs. This pattern may indicate automated task chaining or unauthorized exfiltration of context/code to AI platforms.
Detects the loading of a known malicious 7z.dll file within the 'Traiolx Custom Utils' directory. This behavior is indicative of DLL sideloading used by LegionLoader to achieve code execution under the guise of a legitimate application.
Detects the loading of a known malicious 7z.dll file within the 'Traiolx Custom Utils' directory. This behavior is indicative of DLL sideloading used by LegionLoader to achieve code execution under the guise of a legitimate application.
Detects the presence of a suspicious or known malicious 'Normaliz.dll' file located within the 'Traiolx Custom Utils' directory, indicative of a DLL sideloading attempt.
Detects the creation of files with the .ent extension within the Microsoft Internet Explorer directory. This behavior is associated with the NarwhalRAT malware, which uses this specific file extension and location to store AES-encrypted configuration files, likely for persistence or subsequent execution by the malware.
This rule monitors for execution of suspicious files or processes and network communication associated with known malicious indicators (hashes, domains, and IP addresses) typically used by specific threat actors for command and control (C2) and payload delivery.
This rule detects malicious .lnk files typically delivered as email attachments (spearphishing). It identifies shortcuts that execute cmd.exe with the /k switch, combined with environment variable substring expansion techniques designed to obfuscate multi-stage command execution chains.
This rule detects activity involving known malicious indicators of compromise (IOCs), including specific IP addresses, domains, and file hashes. It monitors network connections, file system activity, process execution, and email attachments, filtering out common security tools to reduce noise.
This rule detects activity involving known malicious indicators of compromise (IOCs), including specific IP addresses, domains, and file hashes. It monitors network connections, file system activity, process execution, and email attachments, filtering out common security tools to reduce noise.
This rule detects activity involving known malicious indicators of compromise (IOCs), including specific IP addresses, domains, and file hashes. It monitors network connections, file system activity, process execution, and email attachments, filtering out common security tools to reduce noise.
This rule detects activities associated with the Star Blizzard (also known as APT28 or Callisto) group's CosmicPulse malware, specifically the downloader and Python-based backdoor. It monitors for suspicious CPL file execution via UNC paths by rundll32.exe or control.exe, unauthorized modifications to the HKCU\Software\Classes\.mollis registry key used for COM hijacking, and anomalous spawning of Python executables from control host processes in user-writable directories.
Detects execution of potentially malicious or dual-use tools (such as credential dumpers or security-bypass utilities) from within ScreenConnect temporary directories via the 'RunFile' command. This is indicative of an attacker leveraging legitimate remote support software to deploy secondary payloads.
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