Detections
Explore public detection logic contributed by the community across SIEM and rule languages.
522 detections
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Detects the initial PowerShell download cradle associated with ClickFix/CORNFLAKE.V3 campaigns. This activity is often the result of a user being tricked into pasting and running a command from a malicious website.
Detects potential exploitation of FortiWeb CVE-2025-25257, a pre-authentication SQL injection vulnerability. This rule identifies an SQL injection attempt against the '/api/fabric/device/status' endpoint, followed by either a suspicious Python file drop in a library directory or a request to a specific CGI script used to trigger the payload.
Detects the use of the 'mdimport' command to index sensitive user directories. This is a key step in the Sploitlight TCC bypass technique (CVE-2025-31199), where a malicious Spotlight importer is triggered to run within the 'mdworker' process and exfiltrate data from TCC-protected locations by writing it to the system log.
Detects suspicious Windows Shortcut (LNK) files that exhibit characteristics of malicious activity, including execution of system binaries with suspicious arguments, in-argument script execution, or overlay content execution.
This rule detects the execution of common command-line utilities (wget, curl, nc, bash, python, perl, php, sh) within web server directories. This activity is highly suspicious as it could indicate an attacker attempting to download malicious files, execute web shells, or perform other post-exploitation activities on a compromised web server.
KQL Query
KQL Query from file: NauthNRPC Detection
KQL Query from file: Golden Chickens TerraStealerV2 Malware Detection
KQL Query from file: Detect CVE-2025-27607 (CVSS 8.8)
Detects the Emotet Epoch4 loader as reported by @malware_traffic in 2022. This specific detection focuses on the execution chain involving a .LNK file delivered via a phishing campaign, which then uses `cmd.exe` or `powershell.exe` to execute commands containing `findstr`, `.vbs`, and `.lnk` in the command line. This indicates an attempt to locate and execute a VBScript from within the LNK file context, a common technique for malware like Emotet to achieve initial execution.
This rule detects the execution of inline Python code that uses the `os.system()` function to spawn a shell. Specifically, it looks for Python interpreter executables being run with the `-c` argument (for inline code execution) and the command line containing both `os.system(` and common shell paths like `/bin/bash`, `/bin/sh`, etc. This technique is often used by adversaries to gain interactive shell access or execute arbitrary commands on a compromised system.
Detects the Emotet Epoch4 loader as reported by @malware_traffic back in 2022.
The ".lnk" file was delivered via phishing campaign.
The ".lnk" file was delivered via phishing campaign.
Detects the Emotet Epoch4 loader as reported by @malware_traffic back in 2022.
The ".lnk" file was delivered via phishing campaign.
The ".lnk" file was delivered via phishing campaign.
Process executed from binary hidden in Base64 encoded file. Encoding malicious software is a.
Technique to obfuscate files from detection.
The first and second ProcessCommandLine component is looking for Python decoding base64.
The third ProcesssCommandLine component is looking for the Bash/sh commandline base64 decoding tool.
The fourth one is looking for Ruby decoding base64.
Technique to obfuscate files from detection.
The first and second ProcessCommandLine component is looking for Python decoding base64.
The third ProcesssCommandLine component is looking for the Bash/sh commandline base64 decoding tool.
The fourth one is looking for Ruby decoding base64.
'Identifies a match for SQL Injection attack in the Application gateway WAF logs. The Threshold value in the query can be changed as per your infrastructure's requirement.
References: https://owasp.org/Top10/A03_2021-Injection/'
References: https://owasp.org/Top10/A03_2021-Injection/'
This query was originally published in the threat analytics report, EvilQuest signals the rise of Mac ransomware.
As of the time of this writing (October 2020), ransomware designed to target macOS is relatively rare. EvilQuest is one of the few examples of this kind of malware on the platform.
The query below can help locate an attempt to run Python in service of malicious activity by a remote operator. The command the query searches for is associated with, but not definitely indicative of, EvilQuest infections.
Other queries related to EvilQuest ransomware can be found under the See also section below.
As of the time of this writing (October 2020), ransomware designed to target macOS is relatively rare. EvilQuest is one of the few examples of this kind of malware on the platform.
The query below can help locate an attempt to run Python in service of malicious activity by a remote operator. The command the query searches for is associated with, but not definitely indicative of, EvilQuest infections.
Other queries related to EvilQuest ransomware can be found under the See also section below.
Detects post exploitation execution technique of the Serpent backdoor.
According to Proofpoint, one of the commands that the backdoor ran was via creating a temporary scheduled task using an unusual method.
It creates a fictitious windows event and a trigger in which once the event is created, it executes the payload.
According to Proofpoint, one of the commands that the backdoor ran was via creating a temporary scheduled task using an unusual method.
It creates a fictitious windows event and a trigger in which once the event is created, it executes the payload.
Detects potential exploitation attempt of CVE-2022-22954, a remote code execution vulnerability in VMware Workspace ONE Access and Identity Manager.
As reported by Morphisec, part of the attack chain, threat actors used PowerShell commands that executed as a child processes of the legitimate Tomcat "prunsrv.exe" process application.
As reported by Morphisec, part of the attack chain, threat actors used PowerShell commands that executed as a child processes of the legitimate Tomcat "prunsrv.exe" process application.
Detects post exploitation execution technique of the Serpent backdoor.
According to Proofpoint, one of the commands that the backdoor ran was via creating a temporary scheduled task using an unusual method.
It creates a fictitious windows event and a trigger in which once the event is created, it executes the payload.
According to Proofpoint, one of the commands that the backdoor ran was via creating a temporary scheduled task using an unusual method.
It creates a fictitious windows event and a trigger in which once the event is created, it executes the payload.
Detects creation of a Python path configuration file (.pth) in Python library folders, which can be maliciously abused for code execution and persistence.
Modules referenced by these files are run at every Python startup (v3.5+), regardless of whether the module is imported by the calling script.
Default paths are '\lib\site-packages\*.pth' (Windows) and '/lib/pythonX.Y/site-packages/*.pth' (Unix and macOS).
Modules referenced by these files are run at every Python startup (v3.5+), regardless of whether the module is imported by the calling script.
Default paths are '\lib\site-packages\*.pth' (Windows) and '/lib/pythonX.Y/site-packages/*.pth' (Unix and macOS).
Backdoor processes associated with OceanLotus Mac malware backdoor dropper.
References:.
Https://blog.trendmicro.com/trendlabs-security-intelligence/new-macos-backdoor-linked-to-oceanlotus-found/.
OS Platforms: Macintosh.
References:.
Https://blog.trendmicro.com/trendlabs-security-intelligence/new-macos-backdoor-linked-to-oceanlotus-found/.
OS Platforms: Macintosh.
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