Detections
Explore public detection logic contributed by the community across SIEM and rule languages.
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Detects potential Linux privilege escalation and persistence activities by monitoring for the creation of persistence scripts in post_boot.d, modifications to the sudoers.template file appending NOPASSWD, or system configuration rebuilds shortly after sudoers template changes.
Detects the execution of reverse engineering and decompilation tools such as JADX or Blutter against Android APK files or Flutter application binaries (libapp.so), as well as the creation of their typical output artifacts and staging folders.
Detects the execution of reverse engineering and decompilation tools such as JADX or Blutter against Android APK files or Flutter application binaries (libapp.so), as well as the creation of their typical output artifacts and staging folders.
Detects potential web shell activity where a web or application server process (such as IIS, Apache, Nginx, or Tomcat) writes a script file (e.g., .aspx, .jsp, .php) into a web-accessible directory, followed shortly by spawning a command-line shell or utility process.
Detects potential web shell activity where a web or application server process (such as IIS, Apache, Nginx, or Tomcat) writes a script file (e.g., .aspx, .jsp, .php) into a web-accessible directory, followed shortly by spawning a command-line shell or utility process.
Detects the Cisco AsyncOS content scanner / AMP service writing files into
sensitive system directories such as /etc, /root or /boot. CVE-2026-76519 uses a relative
path traversal in AMP attachment handling so a crafted email makes the root-running scanner
write attacker-chosen files wherever it likes. Writes outside the expected spool and
Content Scanner Tools directories are the core exploitation artifact.
sensitive system directories such as /etc, /root or /boot. CVE-2026-76519 uses a relative
path traversal in AMP attachment handling so a crafted email makes the root-running scanner
write attacker-chosen files wherever it likes. Writes outside the expected spool and
Content Scanner Tools directories are the core exploitation artifact.
Detects network connections, process executions, file creations, and image loads associated with the UNC7017 AOMEI supply chain campaign IOC sweep, including specific malicious URLs, domains, IPs, file paths, and hashes.
Detects inbound external connections on TCP port 541 (FGFM/FMG-Access protocol) correlated with the creation of .tm archives on the same device, or connections from known malicious IP addresses communicating over TCP 541.
Detects inbound external connections on TCP port 541 (FGFM/FMG-Access protocol) correlated with the creation of .tm archives on the same device, or connections from known malicious IP addresses communicating over TCP 541.
Detects inbound external connections on TCP port 541 (FGFM/FMG-Access protocol) correlated with the creation of .tm archives on the same device, or connections from known malicious IP addresses communicating over TCP 541.
Detects inbound external connections on TCP port 541 (FGFM/FMG-Access protocol) correlated with the creation of .tm archives on the same device, or connections from known malicious IP addresses communicating over TCP 541.
Detects the creation or modification of web script files (.aspx, .jsp) within common web application directories by unusual processes (such as command shells or download utilities) or by non-standard user accounts, indicating potential web shell deployment.
Detects potential Linux privilege escalation and persistence activities by monitoring for the creation of persistence scripts in post_boot.d, modifications to the sudoers.template file appending NOPASSWD, or system configuration rebuilds shortly after sudoers template changes.
Detects the execution of reverse engineering and decompilation tools such as JADX or Blutter against Android APK files or Flutter application binaries (libapp.so), as well as the creation of their typical output artifacts and staging folders.
Detects the execution of reverse engineering and decompilation tools such as JADX or Blutter against Android APK files or Flutter application binaries (libapp.so), as well as the creation of their typical output artifacts and staging folders.
Detects the creation of cook.pth or cook.py in Python site-packages or dist-packages directories by package managers or interpreters, followed by a Python interpreter execution on the same device within one hour. This pattern matches the malicious supply chain behavior observed in compromised LiteLLM versions (e.g., 1.107.0) utilizing .pth auto-import chains for persistence and execution.
The following analytic detects the creation of files associated with the NirSoft tool bundles on Windows endpoints.
NirSoft is a well-known provider of free, portable utilities that can be used for various system and network tasks. However, threat actors often leverage these tools for malicious purposes, such as credential harvesting, network reconnaissance, and data exfiltration.
The detection focuses on the creation of specific NirSoft tool bundle files, which may indicate that an attacker is preparing to use these utilities on a compromised system.
Security teams should investigate any instances of these files being created, especially if they are found in unexpected locations or on systems that should not be using such tools.
NirSoft is a well-known provider of free, portable utilities that can be used for various system and network tasks. However, threat actors often leverage these tools for malicious purposes, such as credential harvesting, network reconnaissance, and data exfiltration.
The detection focuses on the creation of specific NirSoft tool bundle files, which may indicate that an attacker is preparing to use these utilities on a compromised system.
Security teams should investigate any instances of these files being created, especially if they are found in unexpected locations or on systems that should not be using such tools.
Detects potential Linux privilege escalation and persistence activities by monitoring for the creation of persistence scripts in post_boot.d, modifications to the sudoers.template file appending NOPASSWD, or system configuration rebuilds shortly after sudoers template changes.
Detects potential web shell activity where a web or application server process (such as IIS, Apache, Nginx, or Tomcat) writes a script file (e.g., .aspx, .jsp, .php) into a web-accessible directory, followed shortly by spawning a command-line shell or utility process.
Detects potential web shell activity where a web or application server process (such as IIS, Apache, Nginx, or Tomcat) writes a script file (e.g., .aspx, .jsp, .php) into a web-accessible directory, followed shortly by spawning a command-line shell or utility process.
Detects the execution of reverse engineering and decompilation tools such as JADX or Blutter against Android APK files or Flutter application binaries (libapp.so), as well as the creation of their typical output artifacts and staging folders.
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