Detections
Explore public detection logic contributed by the community across SIEM and rule languages.
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This rule looks for URL patterns matching common SQLi keywords used to break out of the array key for CVE-2026-9082.
Detects exploitation attempts of CVE-2026-9384, a critical command injection vulnerability in Totolink A8000RU routers. Attackers target the 'setDiagnosisCfg' function in '/cgi-bin/cstecgi.cgi' by injecting OS commands into the 'ip' parameter.
Detects exploitation attempts of a Path Traversal vulnerability (CWE-22) in UniFi OS devices. Attackers use directory traversal sequences to access sensitive system files like /etc/passwd or shadow files to gain unauthorized account access.
Detects `git rebase` commands containing the `--exec=` flag when spawned by a Gogs or Gitea server process. This activity is indicative of the exploitation of an argument injection vulnerability (CVE-2022-46153) in Gogs/Gitea, which allows an authenticated user to achieve Remote Code Execution (RCE) by creating a pull request with a specially crafted branch name. The rule specifically looks for `git` or `git.exe` processes executing `rebase` with `--exec=` and originating from `gogs`, `gitea`, or common shell processes that might be spawned by them.
Monitors Cisco Catalyst SD-WAN Controller logs for successful administrative logins. This may indicate exploitation of an authentication bypass vulnerability granting unauthorized admin access.
Detects Cisco SD-WAN control connection state changes indicating a new 'vmanage' peer connection from an unauthorized IP address. This rule is designed to identify potential exploitation of vulnerabilities like CVE-2026-20182, where attackers establish unauthorized infrastructure ties by creating new vManage peer connections. The rule filters for syslog messages from the Viptela-vSmart-VDAEMON indicating a 'control-connection-state-change' with 'new-state:up' and 'peer-type:vmanage', and then excludes connections from a list of authorized vManage IP ranges.
This rule identifies 'chokepoint' devices within an environment based on their high number of inbound and outbound connections (at least 2 each). It then enriches these chokepoint devices with vulnerability and misconfiguration remediation recommendations from Microsoft Defender for Endpoint (MDE) TVM and Exposure Graph. The rule prioritizes remediation based on the calculated 'ChokepointScore' (InboundCount * OutboundCount) and indicates if the device has active exploits. This helps security teams focus remediation efforts on critical assets that could significantly impact the network if compromised.
This rule detects exploitation attempts targeting CVE-2026-0300 in Palo Alto Networks PAN-OS. It identifies suspicious network connections to User-ID Authentication Portal ports (6081, 6082) from external IP addresses, excluding RFC1918 and loopback ranges. Additionally, it looks for a specific anomalous User-Agent string associated with the CL-STA-1132 threat actor, which has been observed during exploitation of this vulnerability.
Detects the malformed User-Agent string used by CL-STA-1132 during exploitation
of CVE-2026-0300 (PAN-OS Captive Portal buffer overflow). The UA is structurally
invalid (Safari token precedes Mozilla token, Mozilla/5.5 is non-standard) and
has no known legitimate origin.
of CVE-2026-0300 (PAN-OS Captive Portal buffer overflow). The UA is structurally
invalid (Safari token precedes Mozilla token, Mozilla/5.5 is non-standard) and
has no known legitimate origin.
Detects the generation of pre-authentication session cookies via intentionally failed login attempts to the `login_only` endpoint. This detects the initial staging phase of the CVE-2026-41940 exploit chain.
This rule detects suspicious child processes spawned by the BeyondTrust Remote Support client (bomgar-scc), which could indicate post-exploitation activity following a compromise via vulnerabilities like CVE-2026-1731. It looks for high-risk command line patterns and suspicious child processes commonly used for reconnaissance and payload execution.
Detects inbound network connections from external, non-private IP addresses to local ports 6081 and 6082. These ports are used by the PAN-OS User-ID Authentication Portal, which is actively targeted by CVE-2026-0300.
Detects inbound network connections from external, non-private IP addresses to local ports 6081 and 6082. These ports are used by the PAN-OS User-ID Authentication Portal, which is actively targeted by CVE-2026-0300.
Suspicious PAN-OS Captive Portal Access
Cortex XDR
Detects anomalous or repetitive access to PAN-OS Captive Portal HTTP endpoints which may indicate active scanning for CVE-2026-0300 vulnerability exposure.
Identifies network connections targeting port 6082, commonly used by the PAN-OS User-ID portal and specifically targeted in the CVE-2026-0300 PoC exploit to deliver a buffer overflow payload.
Detects the initial staging phase of the CVE-2026-41940 exploit chain, where an attacker intentionally generates a pre-authentication session file on the target server via failed POST requests to the login_only endpoint.
This rule detects the execution of a process on a Linux system where the command line contains a specific URL associated with the 'Copy Fail Exploit Download' (CVE-2026-31431). This indicates an attempt to download or execute a known exploit.
Detects HTTP requests containing the custom 'X-Hacked-By' header with the value 'Nexus Team . Exploited By Erratic', which is associated with the Nexus Team's exploitation of CVE-2024-3721 against TBK DVR devices. This rule specifically looks for the unique header pattern used by this threat actor.
Detects exploitation attempts targeting CVE-2023-33538 vulnerability in TP-Link routers. Identifies HTTP GET requests to the /userRpm/WlanNetworkRpm endpoint with command injection payloads attempting to download and execute Mirai-like botnet malware.
Detects a failed logon attempt from a public IP. A login from a public IP can indicate a misconfigured firewall or network boundary.
This rule detects the presence of newly exposed risky web components, such as administrative panels or development tools, that have been discovered by Microsoft Defender External Attack Surface Management (EASM). The rule identifies components from a predefined list of 'risky_components' that have been seen for the first time within the last 7 days, indicating a recent exposure that could increase the attack surface.
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