Detections
Explore public detection logic contributed by the community across SIEM and rule languages.
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Detects PHP exposure to CVE-2026-109618 and CVE-2026-109619 (PHP2Shell): installed packages below the fixed versions 8.2.35, 8.3.36, 8.4.27 and 8.5.12 or on branches the advisories do not cover, devices that Defender Vulnerability Management flags for either CVE, and PHP processes that ran in the last 30 days on devices with no PHP package in the inventory. Every row carries the live CISA KEV status of both CVEs and internet facing devices are listed first. A last row shows the KEV feed row count and newest entry date, so an empty result can be told apart from an empty or outdated feed. It does not show whether exploitation took place and appliances that embed PHP need their vendor advisories. The query ran without errors in a live tenant.
Inventory hunting query for the two critical PHP remote code execution vulnerabilities CVE-2026-109618 and CVE-2026-109619, known as PHP2Shell. PHP released the fixes on 21 October 2026 in versions 8.2.35, 8.3.36, 8.4.27 and 8.5.12. The query returns two kinds of rows. First, installed PHP packages in the Defender Vulnerability Management inventory whose version is below the fixed version of their branch or that belong to a branch the advisories do not cover (8.1 and older). Second, devices that Defender Vulnerability Management already associates with either CVE. Results show whether each device is internet facing and list those devices first. The query reads the Defender Vulnerability Management tables, so it runs in Defender XDR Advanced Hunting only. It lists installed versions and does not show which PHP build serves web requests or whether exploitation took place. Windows installs from zip archives are not inventoried and unusual package names are not matched. The second part can stay empty until Defender Vulnerability Management has processed the CVEs. The query follows the Microsoft Defender advanced hunting schemas and ran without errors in a live tenant.
Correlates devices touched by known IoC IP scan waves with PHP software inventory, vulnerability management data for PHP CVEs, and active PHP process execution telemetry to identify vulnerable exposed web servers.
Detects Node.js builds, Express, and body-parser libraries vulnerable to CVE-2026-111497 (Node2Shell) via Microsoft Defender vulnerability inventory, process telemetry, and software inventory.
This rule aggregates software inventory, vulnerability assessments, network connection events, and exposure graph data to prioritize patching and identify internet-facing devices running PHP with known vulnerabilities or active web listeners.
Detects hosts running vulnerable or end-of-life (EOL) versions of PHP based on software inventory data, exposing them to potential remote code execution and application-level exploits.
Detects outdated or vulnerable installations of GitLab and Ruby across devices using TVM software inventory, software vulnerabilities, process events, and file events, checking against known fixed versions for specific CVEs.
Detects instances of GitLab and Ruby running vulnerable software versions based on software inventory checks against fixed release versions.
Identifies devices running Request Tracker (RT) applications, processes, files, or network services, and flags instances with vulnerable versions or specific CVEs (CVE-2025-61873, CVE-2026-41075, CVE-2026-41076, CVE-2026-6841, CVE-2026-44229, CVE-2026-44230, CVE-2026-44231) below version 5.0.10.
Identifies devices with Signal software flagged by Defender Vulnerability Management for CVE-2026-113380 (RingRTC before 2.72.0, hangup commands dropped when call state machine queue is flooded). Exposure rule, not an exploit detection; results are deduplicated per device and sorted by recent Signal activity.
Detects the presence of vulnerable Wireshark software versions susceptible to CVE-2025-13945 and detects mitmproxy instances running without HTTP/3 disabled via the --set http3=false command line argument.
Finds BeyondTrust Remote Support (Bomgar) appliances at version 26.2.3 or earlier that have a public IP address, indicating a potentially internet-facing vulnerable appliance (CVE-2026-102764). Index and field names are placeholders to adapt.
This rule identifies installations of TeamViewer software that are vulnerable to specific CVEs (CVE-2026-19743, CVE-2026-92368, CVE-2026-92369, CVE-2026-92370, CVE-2026-92371) by analyzing the 'DeviceTvmSoftwareInventory' dataset. It checks for versioning patterns against known vulnerable build numbers across Windows, Linux, and macOS platforms to pinpoint systems requiring patching.
This rule identifies MikroTik devices running vulnerable versions of RouterOS (specifically those older than 7.24) that are susceptible to CVE-2026-84411. This vulnerability involves an integer underflow in the web management HTTP handling, which can lead to unauthenticated remote code execution or denial of service.
Identifies NetScaler ADC or Gateway software versions in the inventory that are known to be vulnerable to CVE-2026-88771 and CVE-2026-88772, despite having received the patch for CVE-2026-19490.
Identifies NetScaler ADC or Gateway software versions in the inventory that are known to be vulnerable to CVE-2026-88771 and CVE-2026-88772, despite having received the patch for CVE-2026-19490.
This rule monitors network device logs for patterns indicative of reconnaissance or vulnerability scanning against management and VPN interfaces of common firewall and network appliances (FortiGate, Meraki, WatchGuard, Sophos). It flags sources that either request multiple sensitive paths related to system status and configuration or employ known scanning tools (Nmap, masscan, Nuclei, zgrab, curl) in the user-agent string.
This rule identifies installations of TeamViewer software that are vulnerable to specific CVEs (CVE-2026-19743, CVE-2026-92368, CVE-2026-92369, CVE-2026-92370, CVE-2026-92371) by analyzing the 'DeviceTvmSoftwareInventory' dataset. It checks for versioning patterns against known vulnerable build numbers across Windows, Linux, and macOS platforms to pinpoint systems requiring patching.
Identifies NetScaler ADC or Gateway software versions in the inventory that are known to be vulnerable to CVE-2026-88771 and CVE-2026-88772, despite having received the patch for CVE-2026-19490.
This rule identifies MikroTik devices running vulnerable versions of RouterOS (specifically those older than 7.24) that are susceptible to CVE-2026-84411. This vulnerability involves an integer underflow in the web management HTTP handling, which can lead to unauthenticated remote code execution or denial of service.
This rule identifies installations of TeamViewer software that are vulnerable to specific CVEs (CVE-2026-19743, CVE-2026-92368, CVE-2026-92369, CVE-2026-92370, CVE-2026-92371) by analyzing the 'DeviceTvmSoftwareInventory' dataset. It checks for versioning patterns against known vulnerable build numbers across Windows, Linux, and macOS platforms to pinpoint systems requiring patching.
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