Detections
Explore public detection logic contributed by the community across SIEM and rule languages.
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This query visualises the amount of total Malware detections of files located on SharePoint, OneDrive and Teams, summarizing by the locations they are stored
'Looks for file uploads actions to Azure File and Blob Storage from known VPS provider network ranges.
This is not an exhaustive list of VPS provider ranges but covers some of the most prevalent providers observed.'
This is not an exhaustive list of VPS provider ranges but covers some of the most prevalent providers observed.'
'This hunting query will try to identify the user account used to perform a file upload to blob storage.
This query can be used to match all file upload events, or filtering can be applied on filename to search for a specific upload.'
This query can be used to match all file upload events, or filtering can be applied on filename to search for a specific upload.'
'This query combines different Storage alerts with CommonSecurityLogs and StorageLogs helping analysts triage and investigate any
possible Storage related attacks faster thus reducing Mean Time To Respond'
possible Storage related attacks faster thus reducing Mean Time To Respond'
'This hunting query will try to identify instances where a file us uploaded to file storage and then deleted
within a given threshold. By default the query will find instances where a file is uploaded and deleted within
5 minutes. This hunting query will help detect automated exfiltration.'
within a given threshold. By default the query will find instances where a file is uploaded and deleted within
5 minutes. This hunting query will help detect automated exfiltration.'
'Finds instances where a file uploaded to blob or file storage and it is seen on an endpoint by Microsoft Defender XDR.'
Looks for accounts that uploaded multiple code repositories to external web domain.
Background Intelligent Transfer Service (BITS) is a way to reliably download files from webservers or SMB servers.
This service is commonly used for legitimate purposes, but can also be used as part of a malware downloader.
Additionally, bitsadmin can be used to upload files and therefore can be used for data exfiltration. This
query will identify use of bitsadmin.exe for either purpose and will identify directionality file transfer
directionality.
This service is commonly used for legitimate purposes, but can also be used as part of a malware downloader.
Additionally, bitsadmin can be used to upload files and therefore can be used for data exfiltration. This
query will identify use of bitsadmin.exe for either purpose and will identify directionality file transfer
directionality.
"This query searches for any files in Cloud App Events that have trigger a security alert."
Detects potential Java webshell uploads to an SAP NetViewer server via HTTP POST requests with a 'Content-Type' of 'application/octet-stream' and URI stems containing '/irj/' and ending with '.jsp', '.class', or '.java'. This behavior might indicate exploitation of vulnerabilities like CVE-2025-31324, which allows remote code execution through webshells.
This rule detects suspicious usage of the 'curl' command on Linux systems that indicates a file upload or data transfer to a web service. It specifically looks for the 'curl' executable being run with command-line arguments such as '--form', '--upload-file', '--data', or their variations ('--data-ascii', '--data-binary', '--data-raw', '--data-urlencode'), or the shorthand options '-F', '-T', '-d'. The rule filters out connections to localhost or 127.0.0.1 to reduce false positives from legitimate local development or testing activities.
This detection identifies potential exploitation of CVE-2025-24813 in Apache Tomcat through the initial stage of the attack. This first phase occurs when an attacker attempts to upload a malicious serialized Java object with a .session file extension via an HTTP PUT request. When successful, these uploads typically result in HTTP status codes 201 (Created) or 409 (Conflict) and create the foundation for subsequent deserialization attacks by placing malicious content in a location where Tomcat's session management can access it.
The analytic detects the use of the curl command with specific switches (-F, --form, --upload-file, -T, -d, --data, --data-raw, -I, --head) to upload AWS credentials or configuration files to a remote destination. This detection leverages data from Endpoint Detection and Response (EDR) agents, focusing on command-line executions and process details. This activity is significant as it may indicate an attempt to exfiltrate sensitive AWS credentials, a technique known to be used by the TeamTNT group. If confirmed malicious, this could lead to unauthorized access and potential compromise of AWS resources.
Detects potential exploitation attempts targeting CVE-2025-31324, a critical unauthenticated file upload vulnerability in SAP NetWeaver Visual Composer. This flaw allows remote attackers to send specially crafted POST requests to the /developmentserver/metadatauploader endpoint, enabling arbitrary file uploads—commonly webshells—resulting in full system compromise. The detection looks for HTTP HEAD or POST requests with a 200 OK status to sensitive Visual Composer endpoints, which may indicate reconnaissance or active exploitation. Successful exploitation can lead to attackers gaining privileged access, deploying malware, and impacting business-critical SAP resources. Immediate patching and investigation of suspicious activity are strongly recommended, as this vulnerability is being actively exploited in the wild.
The analytic detects the upload of a new container image to AWS Elastic Container Registry (ECR) by an unknown user. It leverages AWS CloudTrail logs to identify `PutImage` events from the ECR service, filtering out known users. This activity is significant because container uploads should typically be performed by a limited set of authorized users. If confirmed malicious, this could indicate unauthorized access, potentially leading to the deployment of malicious containers, data exfiltration, or further compromise of the AWS environment.
The following analytic detects potentially malicious file upload attempts to Citrix ShareFile via specific suspicious URLs and the HTTP POST method. It leverages the Web datamodel to identify URL patterns such as "/documentum/upload.aspx?parentid=", "/documentum/upload.aspx?filename=", and "/documentum/upload.aspx?uploadId=*", combined with the HTTP POST method. This activity is significant for a SOC as it may indicate an attempt to upload harmful scripts or content, potentially compromising the Documentum application. If confirmed malicious, this could lead to unauthorized access, data breaches, and operational disruptions.
This rule identifies when a user shares a file from Google Drive with an email address belonging to a common free email domain (e.g., gmail.com, aol.com, hotmail.com, outlook.com, icloud.com). This activity is flagged as it may indicate an attempt at data exfiltration, where sensitive information is moved outside the organization's controlled environment to personal or untracked accounts.
Detects when files are transferred using the ScreenConnect Remote Monitoring and Management (RMM) tool. This activity can indicate an adversary using legitimate tools for data exfiltration or staging.
Detects when Microsoft Cloud App Security reports that a user has uploaded files to the cloud that are potentially infected with ransomware. This indicates a possible ransomware attack attempting to encrypt or exfiltrate data via cloud storage.
Detects usage of the "type" command to download/upload data from WebDAV server. This technique can be used by adversaries to transfer files into or out of a compromised environment.
Detects when a Microsoft Cloud App Security reported when a user uploads files to the cloud that might be infected with ransomware.
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