Detections
Explore public detection logic contributed by the community across SIEM and rule languages.
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This rule detects attempts to transfer tools or other files between systems in a compromised environment using common utilities like scp, rsync, wget, or curl. This rule should be used for hunting in your environment.
This rule detects the execution of PHP with command-line arguments indicative of web shells like 'aws.php' and 'file_save.php', which have been used in the exploitation of CVE-2026-1731. The detection looks for the use of eval with base64 decoding and specific, non-standard parameters used to pass commands.
Detects the presence of the unique 'ic-tracker-js' ID within script tags on web server files (.php, .html, .js), which is a high-fidelity indicator of a compromised WordPress site by the IClickFix framework. This rule looks for file creation or modification events where the initiating process command line contains the malicious string.
This rule set detects indicators of compromise associated with the RESURGE activity targeting Ivanti Connect Secure devices, as described by CISA. It looks for specific file hashes, the presence of a covert socket path (.logsrv), and modifications to key Ivanti filesystem artifacts such as LD_PRELOAD, DSUpgrade.pm, coreboot.img, and scanner.py. A match indicates potential compromise and requires further investigation to confirm the asset role, timing of file appearance, and comparison with approved maintenance windows. If hits are found, collect logs and file copies, reduce external exposure, and look for unusual activity like unexpected administrator actions or unfamiliar outbound connections.
Detects a command that downloads remote content and immediately runs it with bash. This is a common way to run attacker controlled code on a Linux host.
Detects the use of the GNU Debugger (GDB) to dump memory from a live process. This technique is used by frameworks like ShadowHS to extract credentials and other secrets directly from memory, bypassing file-based security controls.
This rule set detects various stages of activity related to the 'OpenClaw' malware family and associated campaigns. It includes detection for OpenClaw process execution, exposure of a specific administrative port, execution of shell commands via curl (ClawHavoc delivery), outbound webhook exfiltration, and infostealer access to OpenClaw configuration files.
This query identifies devices that have specific software installed, enriching this information with device details like OS, exposure level, and internet-facing status. This is useful for asset inventory and identifying potentially exposed endpoints, especially when vulnerability information might not be immediately available through other means. The current rule is configured to detect "Acronis Cyber Protect" software.
This rule detects successful SSH logins for the 'vmanage-admin' user, specifically when publickey authentication is used. This pattern is highlighted as a potential indicator of compromise, especially in the context of Cisco Catalyst SD-WAN systems and related vulnerabilities like CVE-2026-20127. The rule aims to flag highly privileged administrative access for review, prompting verification of the source IP address against authorized locations and expected maintenance windows. Unexplained access should be treated as suspicious.
Detects a pattern associated with the 'ClawHavoc' campaign where processes related to the OpenClaw AI framework download and immediately execute content from the internet. This is often seen in malicious 'prerequisite' or 'setup' scripts exploiting CVE-2026-25253.
Detects the creation of new user accounts on Linux systems using the 'useradd' command with parameters that grant root (UID 0 or GID 0) privileges, or prevent home directory creation, which can indicate a backdoor account.
Detects common shell tools accessing OpenClaw plaintext workspace secrets such as the .env file under ~/.openclaw/workspace/.
Detects the modification of the 'check_integrity.sh' script to replace 'exit 1' with 'exit 0'. This is a specific defense evasion technique used by the RESURGE malware on Ivanti Connect Secure devices to ensure the compromised system always appears healthy during integrity scans.
Detects a file with a .mp5 extension in the /tmp directory being made executable via chmod. This technique was used by a stager to deliver the Rekoobe backdoor by masquerading ELF binaries as media files to evade detection.
This rule helps identify suspicious repository files that may try to run code automatically when a developer opens a project in an editor or when a build starts. It searches for the exact wording used by the editor to auto run tasks when a folder is opened, and it also looks for a set of web addresses published in public reporting that were used to deliver additional code. A match does not always mean the repository is malicious, but it does mean the file deserves careful review before it is executed on a developer machine. If you see a hit, confirm the repository source, check for unexpected scripts or obfuscated code, and review recent network traffic for connections to the listed staging sites. If the repository is not clearly trusted, isolate the environment, remove the project from production developer workstations, and rotate any secrets that may have been available. This rule is meant to provide a clear and understandable safety check for teams that regularly clone and run new code.
This rule detects activity associated with UNC6201 exploiting Dell RecoverPoint VM (CVE-2026-22769), which involves the SLAYSTYLE/BRICKSTORM/GRIMBOLT malware. It identifies attempts to deploy WAR files via Tomcat Manager, suspicious WAR file uploads or modifications in Tomcat directories on Linux appliances, modifications to a persistence script named 'convert_hosts.sh', network communication with a GRIMBOLT C2 endpoint (149.248.11.71), and specific file hashes linked to the threat actor.
Detects the execution of a shell command that decodes a base64 string and pipes the output directly into another shell for execution. This is a common obfuscation technique used by malware, including the AMOS stealer dropper delivered via malicious OpenClaw skills, to hide the initial payload.
Detects archiving of OpenClaw workspace data which may contain plaintext conversations and secrets, consistent with collection and staging for exfiltration.
This rule detects the execution of a 'git clone' command to download the 'qwibitai/nanoclaw' repository, specifically on devices where a 'node' or 'node.exe' process associated with 'claude' is also observed. This could indicate an adversary installing tools or malicious code on a system potentially related to a 'claude' application or service.
Detects the addition of a specific threat actor SSH key to an authorized_keys file for persistence. This key was used in a campaign involving a malicious Go crypto module that delivered the Rekoobe backdoor. The rule specifically looks for command-line activity that modifies the authorized_keys file and contains the hardcoded malicious SSH key, often initiated by shell processes.
Detects the execution of 'chmod 000' against PHP files in common FreePBX/Elastix web server directories. This is a high-fidelity indicator of the EncystPHP web shell attempting to lock out administrators and prevent inspection of its malicious files.
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