Detections

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

6,537 detections

This rule detects the presence of 'schtasks' followed by '/delete' and '/tn' (task name) in the HTTP response body with a 200 status code. This could indicate an attacker attempting to delete scheduled tasks on a compromised Windows system, potentially to remove forensic evidence or disrupt legitimate operations. The detection is case-insensitive and uses a PCRE to match the specific command structure.
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Tim Peck@timpeck
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Proofpoint Emerging Threats Rules
1 year ago
0017
This rule detects attempts to exploit CVE-2024-30043, a vulnerability in Microsoft SharePoint's SPXmlDataSource. The detection is based on the presence of specific content in HTTP response bodies, including '<!DOCTYPE', '<SharePoint:SPXmlDataSource', and 'DataFile="', combined with a PCRE regex matching file or SMB paths, indicating an attempt to fetch data via XML External Entity (XXE) injection.
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Tim Peck@timpeck
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Proofpoint Emerging Threats Rules
1 year ago
0018
This rule detects an attempted buffer overflow vulnerability (CVE-2025-9298) in Tenda routers. Specifically, it looks for HTTP POST requests to the '/goform/QuickIndex' URI where the 'PPPOEPassword' parameter contains an excessively long string (100 or more characters) that could lead to a buffer overflow.
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Tim Peck@timpeck
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Proofpoint Emerging Threats Rules
1 year ago
0018
This rule detects an attempt to exploit a buffer overflow vulnerability (CVE-2024-8573) in TOTOLINK devices. The exploit targets the `setParentalRules` function within the `/cgi-bin/cstecgi.cgi` endpoint, specifically looking for HTTP POST requests with multiple parameters (desc, week, sTime, eTime) containing excessively long values (100 or more characters), indicative of a buffer overflow attempt.
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Tim Peck@timpeck
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Proofpoint Emerging Threats Rules
1 year ago
0018
This rule detects attempts to exploit a critical authentication bypass vulnerability (CVE-2025-54309) in CrushFTP's WebInterface. The exploit leverages an alternative channel to bypass authentication, specifically targeting the '/WebInterface/function/' URI with a 'command=login' parameter and a 'crushadmin' string in the 'as2-to' HTTP header. Successful exploitation could lead to unauthorized administrative access.
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Tim Peck@timpeck
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Proofpoint Emerging Threats Rules
1 year ago
0018
ET MALWARE TA398 CurlBack_RAT CnC Activity - Fetch Commands M2
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Tim Peck@timpeck
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Proofpoint Emerging Threats Rules
1 year ago
0013
ET INFO Blockchain RPC Domain in TLS SNI (mainnet .infura .io)
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Tim Peck@timpeck
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Proofpoint Emerging Threats Rules
1 year ago
0013
ET ATTACK_RESPONSE Braodo Loader Inbound
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Tim Peck@timpeck
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Proofpoint Emerging Threats Rules
1 year ago
0013
ET ATTACK_RESPONSE KoiStealer Payload Inbound
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Tim Peck@timpeck
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Proofpoint Emerging Threats Rules
1 year ago
0013
ET ATTACK_RESPONSE TA399 Fake 404 WebPage Inbound
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Tim Peck@timpeck
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Proofpoint Emerging Threats Rules
1 year ago
0013
This rule detects attempts to exploit the Zip Slip vulnerability within TAR archives. Specifically, it looks for the sequence `../` (dot dot slash) in file paths within a TAR archive being transferred to a client, which is indicative of an attacker trying to write files outside of the intended directory.
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Tim Peck@timpeck
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Proofpoint Emerging Threats Rules
1 year ago
0016
This rule detects attempts to exploit the Zip Slip vulnerability in inbound ZIP archives. It specifically looks for the sequence '../' within the file data of a ZIP archive, which indicates an attempt to write files outside of the intended directory during extraction.
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Tim Peck@timpeck
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Proofpoint Emerging Threats Rules
1 year ago
0016
This rule detects HTTP responses (status code 200) that contain the string 'schtasks' followed by '/run' and '/tn' (case-insensitive) in the response body. This pattern indicates the potential for a client system to receive instructions to execute a scheduled task, which could be used for persistence, lateral movement, or other malicious activities.
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Tim Peck@timpeck
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Proofpoint Emerging Threats Rules
1 year ago
0016
ET ATTACK_RESPONSE ReverseLoader Base64 Encoded Executable In Image M2
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Tim Peck@timpeck
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Proofpoint Emerging Threats Rules
1 year ago
0012
ET ATTACK_RESPONSE ReverseLoader Base64 Encoded Executable In Image M1
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Tim Peck@timpeck
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Proofpoint Emerging Threats Rules
1 year ago
0012
ET ATTACK_RESPONSE Observed AsyncRat Installer Inbound
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Tim Peck@timpeck
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Proofpoint Emerging Threats Rules
1 year ago
0012
ET ATTACK_RESPONSE TA399 Fake 404 WebPage Inbound
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Tim Peck@timpeck
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Proofpoint Emerging Threats Rules
1 year ago
0012
Detects network connections to known Command and Control (C2) servers associated with the LANDFALL Android spyware. The spyware communicates over HTTPS, often on non-standard ports.
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Matt Brady@mbrady5299
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Detections.ai Community
1 year ago
1047
This rule detects attempts to exploit a command injection vulnerability (CVE-2025-57105) in D-Link devices. Specifically, it looks for HTTP GET requests to '/mng_platform.asp' where the 'addr' parameter contains characters commonly used for command injection, such as semicolons, newlines, backticks, pipes, or dollar signs, which could lead to arbitrary command execution on the device.
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Tim Peck@timpeck
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Proofpoint Emerging Threats Rules
1 year ago
0016
This rule detects an attempt to exploit a buffer overflow vulnerability (CVE-2025-9299) in Tenda routers. The exploit targets the `/goform/getMasterPassengerAnalyseData` endpoint via an HTTP POST request, specifically looking for an overly long 'time' parameter in the request body, which could lead to a buffer overflow.
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Tim Peck@timpeck
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Proofpoint Emerging Threats Rules
1 year ago
0016
This rule detects the inbound transfer of a Lumma Stealer payload over HTTP. Specifically, it looks for a unique content string within the HTTP response body, indicating the download of a DLL file associated with Lumma Stealer. The content string 'filename="fuckingdllENCR.dll"' is a strong indicator of this specific malware.
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Tim Peck@timpeck
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Proofpoint Emerging Threats Rules
1 year ago
0016
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