Detections

Explore public detection logic contributed by the community across SIEM and rule languages.

2,133 detections

Detects exploitation attempts against Flowise by leveraging a case-sensitivity bypass in environment variable parsing. Attackers inject variants like 'node_options' into the environment, which bypasses security denylists, allowing the 'NODE_OPTIONS' variable to be set. This enables remote code execution (RCE) via the '--require' flag in child Node.js processes, alongside subsequent activities like marker file creation, registry-based persistence, or unauthorized outbound network connections from the Flowise service.
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Ibrahim Saud@tektrix
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Detections.ai Community
4 months ago
102
This rule monitors network traffic for the presence of the 'X-WebAuth-User' HTTP header, which is often used in authentication bypass scenarios. The rule specifically alerts when this header is present, especially if the username injected is 'admin', potentially indicating an attempt to impersonate a user or bypass authentication controls on exposed web services or proxy configurations.
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Ibrahim Saud@tektrix
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Detections.ai Community
4 months ago
002
Detects remote code execution (RCE) attempts targeting Flowise/floci API Gateway services through Velocity Template Language (VTL) server-side template injection. The rule monitors for malicious payload patterns involving Java class reflection (e.g., ProcessBuilder) and unauthorized access attempts through API Gateway endpoints, including potential IAM scope bypass signatures.
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Ibrahim Saud@tektrix
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Detections.ai Community
4 months ago
002
Detects post-exploitation of CVE-2026-22778 (vLLM libopenjp2 JPEG2000 cdef heap overflow). The overwritten AVBuffer free() pointer is set to system(), so a successful exploit spawns /bin/sh -c as a direct child of the vLLM/python inference process. Matches a shell or download/exec utility launched with a vLLM/python/uvicorn parent, excluding benign python worker children.
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Tim Peck@timpeck
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SecOps Signals
4 months ago
0056
This rule detects potentially malicious inbound HTTP POST requests directed at an API endpoint associated with public build directories. The detection logic monitors for suspicious user agents (e.g., Python requests), specific known malicious flow identifiers, known attacker IP addresses, and payload indicators such as OS command injection or execution patterns (e.g., __import__, os.system).
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Ibrahim Saud@tektrix
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Detections.ai Community
4 months ago
004
Detects instances where the Exchange Server IIS worker process (w3wp.exe) spawns unexpected child processes like PowerShell, pwsh, or cmd, often indicating exploitation of vulnerabilities such as ProxyNotShell (CVE-2022-41040 and CVE-2022-41082) where an attacker leverages Exchange backend processes for arbitrary command execution.
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Ibrahim Saud@tektrix
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Detections.ai Community
4 months ago
003
Detects the RondoDox campaign's use of obfuscated JNDI payloads targeting the Log4Shell (CVE-2021-44228) vulnerability. The rule identifies attempts to spray malicious JNDI lookup strings like ${env:NaN:-j}ndi across multiple HTTP headers including Authorization, Bearer, Cookie, and others, specifically designed to bypass web application firewall (WAF) filters.
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Ethan Andrews@eandrews
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Federal Signal Detections
4 months ago
007
Detects network connections to known ShinyHunters infrastructure, including specific IP addresses and DNS queries for 'azurenetfiles.net', which has been linked to their operations targeting Oracle PeopleSoft servers via gadget chain exploitation.
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nomit vyas@xoxo
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Detections.ai Community
4 months ago
909
Detects exploitation attempts against CVE-2026-33017 in Langflow by monitoring for unauthenticated POST requests to the /api/v1/build_public_tmp/ endpoint, specifically using the identified exploit User-Agent, followed by outbound connections from the victim host to known attacker-controlled infrastructure.
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Ibrahim Saud@tektrix
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Detections.ai Community
4 months ago
108
Detects unauthenticated HTTP POST requests targeting Oracle PeopleSoft PSEMHUB and PSIGW endpoints that are characteristic of the CVE-2026-35273 remote code execution exploit gadget chain.
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Ibrahim Saud@tektrix
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Detections.ai Community
4 months ago
008
Detects evidence of the execution of a proof-of-concept (PoC) exploit targeting Next.js unstable_cache functionality. The rule monitors for the installation of canary versions of Next.js, execution of the PoC demonstration script 'run_demo.mjs', and the creation of a 'VULNERABILITY_CONFIRMED.marker' file, which are specific indicators associated with the exploitarium repository PoC.
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Ethan Andrews@eandrews
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Federal Signal Detections
4 months ago
001
This rule monitors web traffic logs for requests targeting administrative URI paths or containing the username 'admin' in the 'X-WEBAUTH-USER' header. It specifically filters out requests originating from trusted reverse proxies, identifying potential attempts to bypass authentication by manually injecting administrative headers.
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Ibrahim Saud@tektrix
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Detections.ai Community
4 months ago
002
Detects the execution or presence of identified exploit harness binaries and scripts associated with CVE-2026-55200, an RCE vulnerability in libssh2. The rule monitors process launches for specific filenames and command-line arguments indicative of proof-of-concept or exploitation tooling from the 'exploitarium' repository.
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Ibrahim Saud@tektrix
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Detections.ai Community
4 months ago
002
Detects common web server processes (IIS, Apache, Nginx, PHP, Tomcat) spawning command-line interpreters or utilities (cmd.exe, powershell.exe, wscript.exe, cscript.exe, certutil.exe). This pattern is often indicative of exploitation of a web application to gain command execution on the host.
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Ankit Mehta@Secvyn
Bharat Cyber Guardians
4 months ago
102
Detects potential exploitation of CVE-2026-0300 targeting PAN-OS and matches anomalous User-Agent string associated with CL-STA-1132 threat actor.
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Ibrahim Saud@tektrix
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Detections.ai Community
4 months ago
0010
Detects the spawning of /bin/sh or /bin/bash as a direct child process of ffmpeg, jellyfin, or nextcloud. This behavior is often indicative of exploitation attempts against these media and storage services, potentially leveraging remote code execution vulnerabilities.
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Ibrahim Saud@tektrix
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Detections.ai Community
4 months ago
007
Detects the spawning of suspicious shell processes (sh, bash, cmd.exe) by media processing applications like ffmpeg, ffprobe, jellyfin-ffmpeg, jellyfin, or nextcloud. This activity is often indicative of an adversary exploiting a vulnerability in these applications to gain initial access or execute arbitrary commands, potentially leading to further compromise. The rule specifically looks for suspicious command-line arguments that suggest interactive shells, network connections, or direct command execution.
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Ibrahim Saud@tektrix
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Detections.ai Community
4 months ago
309
Detects POST requests to vLLM multimodal inference endpoints that contain 'video_url' fields pointing to external resources or specific video file extensions (.jp2, .mov, .mp4). This activity is indicative of exploitation attempts related to CVE-2026-22778, where an attacker might try to inject malicious video URLs to trigger vulnerabilities in the vLLM service.
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Ibrahim Saud@tektrix
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Detections.ai Community
4 months ago
007
This rule detects two stages of a potential exploitation chain targeting vLLM multimodal endpoints. Stage 1 identifies POST requests to vLLM API endpoints that contain 'video_url' in the request context, which could indicate an attempt to exploit CVE-2026-22778. Stage 2 detects post-exploitation activity by looking for unexpected child processes (like shell interpreters or download utilities) spawned from vLLM or Python inference processes, suggesting successful remote code execution.
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Ibrahim Saud@tektrix
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Detections.ai Community
4 months ago
107
Detects HTTP requests that reference or serve the 'cors_exploit_poc.html' file, which is associated with the MexicanMafia (Operation Escaneo) actor's method of exploiting Cross-Origin Resource Sharing (CORS) misconfigurations. This exploit attempts to hijack active administrative sessions by leveraging CORS with 'withCredentials=true'.
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Ibrahim Saud@tektrix
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Detections.ai Community
4 months ago
005
Detects HTTP requests where the URI or request body contains indicators of internal network references (e.g., localhost, 127.0.0.1, or RFC 1918 private IP address ranges). This pattern is consistent with Server-Side Request Forgery (SSRF) attempts, where an attacker tries to force a vulnerable web application to perform unauthorized requests to internal resources.
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Ankit Mehta@Secvyn
Bharat Cyber Guardians
4 months ago
001
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