Detections
Explore public detection logic contributed by the community across SIEM and rule languages.
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The following analytic detects potential post-exploitation activity related to the Microsoft SharePoint CVE-2025-53770 vulnerability. After successful exploitation via the ToolPane.aspx endpoint, attackers typically deploy a webshell named "spinstall0.aspx" in the SharePoint layouts directory. This detection identifies GET requests to this webshell, which indicates active use of the backdoor for command execution, data exfiltration, or credential/key extraction. Attackers commonly use these webshells to extract encryption keys, authentication tokens, and other sensitive information from the compromised SharePoint server.
The analytic detects potential exploitation attempts against Microsoft SharePoint Server vulnerability CVE-2025-53770, also known as "ToolShell". This detection monitors for POST requests to the ToolPane.aspx endpoint with specific DisplayMode parameter, which is a key indicator of the exploit. This vulnerability allows unauthenticated remote code execution on affected SharePoint servers, enabling attackers to fully access SharePoint content, file systems, internal configurations, and execute code over the network.
Detects access to vulnerable SharePoint components potentially being exploited in CVE-2025-53770 through IIS web server logs. CVE-2025-53770 is a zero-day vulnerability in SharePoint that allows remote code execution.
Detects potential exploitation attempts of the SharePoint vulnerability CVE-2025-53770 by looking for POST requests to ToolPane.aspx with a specific referrer.
This detection identifies potential exploitation attempts of CVE-2025-5777 (CitrixBleed 2), a memory disclosure vulnerability in Citrix NetScaler ADC and Gateway. The vulnerability is triggered by sending POST requests with incomplete form data to the /p/u/doAuthentication.do endpoint, causing the device to leak memory contents including session tokens and authentication materials. This search looks for POST requests to the vulnerable endpoint that may indicate scanning or exploitation attempts.
This rule detects attempts at Local File Inclusion (LFI) or Remote File Inclusion (RFI) vulnerabilities by analyzing web server logs for specific patterns in the request URI. It looks for directory traversal sequences ('../'), attempts to access common sensitive files like '/etc/passwd', or patterns indicating file inclusion via HTTP or file:// protocols.
This package searches for evidence of Windows Shortcut (.lnk) files executing code to download a .wsf file from a remote WebDAV share hosted on a trycloudflare[.]com subdomain. This package searches in both web logs and endpoint process logs.
An ongoing malware campaign tracked as SERPENTINE#CLOUD has been identified as leveraging the Cloudflare Tunnel infrastructure and Python-based loaders to deliver memory-injected payloads through a chain of shortcut files and obfuscated scripts.
For initial access, the threat actors are luring users to execute malicious .lnk files (shortcut files) disguised as documents to silently fetch and execute remote code.
These payloads use cmd.exe to silently retrieve additional stages over WebDAV (via Cloudflare Tunnel subdomains) and invoke WSF or batch-based droppers.
trycloudflare[.]com allows a threat actor to expose a tunnel to the internet using legitimate infrastructure that will likely blend into benign traffic. trycloudflare dynamically generates subdomains formed of random words and so it's not enough to just look for such connections since they are also used by developers in testing. Therefore this search looks for further procedures attributed to the campaign.
An ongoing malware campaign tracked as SERPENTINE#CLOUD has been identified as leveraging the Cloudflare Tunnel infrastructure and Python-based loaders to deliver memory-injected payloads through a chain of shortcut files and obfuscated scripts.
For initial access, the threat actors are luring users to execute malicious .lnk files (shortcut files) disguised as documents to silently fetch and execute remote code.
These payloads use cmd.exe to silently retrieve additional stages over WebDAV (via Cloudflare Tunnel subdomains) and invoke WSF or batch-based droppers.
trycloudflare[.]com allows a threat actor to expose a tunnel to the internet using legitimate infrastructure that will likely blend into benign traffic. trycloudflare dynamically generates subdomains formed of random words and so it's not enough to just look for such connections since they are also used by developers in testing. Therefore this search looks for further procedures attributed to the campaign.
Detects HTTP POST requests containing suspicious parameters or headers used by GoldMelody's in-memory IIS modules. Attackers leverage ASP.NET ViewState deserialization to execute payloads in memory, often passing commands and data via non-standard HTTP parameters and headers within POST requests.
Detects exploitation attempts of CVE-2025-0108 via crafted path traversal requests targeting PAN-OS web management interface.
Detects exploit attempts targeting Remote Code Execution vulnerabilities in Apache Tomcat (CVE-2025-24813) and Apache Camel (CVE-2025-27636, CVE-2025-29891) via crafted HTTP requests.
KQL Query
KQL Query from file: Sentinel All-In-One IP ThreatHunt
KQL Query from file: MDE: Detecting Quick Assist Usage
KQL Query from file: Detecting GOLDEN SAML Attack
KQL Query
KQL Query from file: Detecting Mamba 2FA phishing-as-a-service
KQL Query from file: Email Campaign - Exploiting SVG Files and trycloudflare.com to Spread Malware
KQL Query from file: Detect Power Pwn (aka LOLCopilot) Red Team Tool
KQL Query from file: Ottercookie Detection
KQL Query from file: One-Click ANY RUN Storm-1747 KQL Scan
KQL Query from file: Detecting Phishing Emails with Cloudflare R2 URLs
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