Detections

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

4,421 detections

This rule detects HTTP traffic originating from a client within the home network to an external Cloudflare tunneling service (specifically, domains ending in '.trycloudflare.com') where the User-Agent header indicates 'Microsoft-WebDAV-MiniRedir'. This combination suggests potential command and control activity or data exfiltration using WebDAV over a Cloudflare tunnel, often employed by adversaries to bypass network restrictions and obscure their infrastructure.
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Tim Peck@timpeck
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Proofpoint Emerging Threats Rules
1 year ago
3030
This rule detects attempts to retrieve PowerShell scripts (.ps1) from an external server using WebDAV (PROPFIND method) with a 'Microsoft-WebDAV-MiniRedir/' user agent. This activity is often associated with adversaries attempting to transfer tools or malicious scripts into a compromised environment.
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Tim Peck@timpeck
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Proofpoint Emerging Threats Rules
1 year ago
0030
ET MALWARE TA569 Gholoader CnC Domain in DNS Lookup (secure .kasindramaharaj .com)
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Tim Peck@timpeck
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Proofpoint Emerging Threats Rules
1 year ago
0026
This rule detects attempts to exploit CVE-2021-20021, an unauthenticated arbitrary user creation vulnerability in SonicWall Email Security. The rule specifically looks for HTTP POST requests to the '/createou' URI with 'data=' in the request body, indicating an attempt to create a new organizational unit or user.
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Tim Peck@timpeck
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Proofpoint Emerging Threats Rules
1 year ago
0034
ET INFO Observed RMM Domain in DNS Lookup (meshcentral .com)
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Tim Peck@timpeck
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Proofpoint Emerging Threats Rules
1 year ago
0026
ET INFO Remote Monitoring and Management (RMM) Tool in DNS Lookup (gorelo .tech)
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Tim Peck@timpeck
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Proofpoint Emerging Threats Rules
1 year ago
0026
This rule detects the 'Get-ScheduledTask' PowerShell cmdlet within the HTTP response body, specifically when the HTTP status code is 200. This could indicate an attacker enumerating scheduled tasks on a compromised system via a web-based command and control channel or data exfiltration.
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Tim Peck@timpeck
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Proofpoint Emerging Threats Rules
1 year ago
1034
ET MOBILE_MALWARE Android/TrickMo.Banker GET Config Request
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Tim Peck@timpeck
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Proofpoint Emerging Threats Rules
1 year ago
0021
ET EXPLOIT_KIT LandUpdate808 Domain in DNS Lookup (virtvan .com)
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Tim Peck@timpeck
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Proofpoint Emerging Threats Rules
1 year ago
0025
ET ATTACK_RESPONSE PowerShell String Base64 Encoded Text.Encoding (V4dC5FbmNvZ) in DNS TXT Reponse
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Tim Peck@timpeck
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Proofpoint Emerging Threats Rules
1 year ago
0025
This rule detects HTTP POST requests to github.com's /login/device/code endpoint containing a 'client_id=' parameter in the request body. This pattern is indicative of a device code authentication flow, which could be leveraged in phishing attacks (device code phishing) to steal application access tokens or facilitate unauthorized access to GitHub accounts.
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Tim Peck@timpeck
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Proofpoint Emerging Threats Rules
1 year ago
0032
ET WEB_SPECIFIC_APPS Django Privilege Escalation via SQLi (CVE-2025-64459)
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Tim Peck@timpeck
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Proofpoint Emerging Threats Rules
1 year ago
0024
ET WEB_SPECIFIC_APPS Django Authentication Bypass via SQLi (CVE-2025-64459)
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Tim Peck@timpeck
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Proofpoint Emerging Threats Rules
1 year ago
0024
ET WEB_SPECIFIC_APPS Wordpress Post SMTP Plugin Unauthenticated Account Takeover via Email Log Disclosure (CVE-2025-11833)
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Tim Peck@timpeck
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Proofpoint Emerging Threats Rules
1 year ago
0024
ET MALWARE TA569 Middleware Server Domain in DNS Lookup (sessionstorexint .com)
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Tim Peck@timpeck
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Proofpoint Emerging Threats Rules
1 year ago
1024
ET ATTACK_RESPONSE ClickFix MSHTA Command Inbound
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Tim Peck@timpeck
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Proofpoint Emerging Threats Rules
1 year ago
1024
ET WEB_SPECIFIC_APPS Django Data Exfiltration via SQLi (CVE-2025-64459)
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Tim Peck@timpeck
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Proofpoint Emerging Threats Rules
1 year ago
1023
ET WEB_SPECIFIC_APPS Nagios Log Server API Unauthorized Access to Elasticsearch Service (CVE-2025-44824)
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Tim Peck@timpeck
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Proofpoint Emerging Threats Rules
1 year ago
0023
ET MALWARE TA569 Middleware Server Domain in DNS Lookup (taskrunnersrvmod .com)
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Tim Peck@timpeck
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Proofpoint Emerging Threats Rules
1 year ago
0023
ET INFO Remote Monitoring and Management (RMM) Tool in TLS SNI (gorelo-rmm .azurewebsites .net)
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Tim Peck@timpeck
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Proofpoint Emerging Threats Rules
1 year ago
0023
This rule detects attempts to exploit a deserialization vulnerability (CVE-2018-8421) in Microsoft SharePoint via a crafted workflow. The detection specifically looks for HTTP POST requests to the `/_vti_bin/webpartpages.asmx` endpoint containing `ValidateWorkflowMarkupAndCreateSupportObjects` and `workflowMarkupText` with CDATA, indicating an attempt to inject malicious XML.
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Tim Peck@timpeck
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Proofpoint Emerging Threats Rules
1 year ago
0030
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