Webshells Installed As previously mentioned, we found webshells installed on three SharePoint servers hosted at two different organizations, two of which had the same file name of errr.aspx and the other a filename of error2.aspx .. The webshells were hosted at the following paths on the compromised servers: /_layouts/15/error2.aspx /_layouts/15/errr.aspx We were able to gather one of the webshells with which we saw the actor interacting, specifically the error2.aspx file listed above
Below is an instruction that describes a task, paired with an input that provides further context. Write a response that appropriately completes the request. ### Instruction: List the MITRE techniques contained in the text. ### Input: Webshells Installed As previously mentioned, we found webshells installed on three SharePoint servers hosted at two different organizations, two of which had the same file name of errr.aspx and the other a filename of error2.aspx .. The webshells were hosted at the following paths on the compromised servers: /_layouts/15/error2.aspx /_layouts/15/errr.aspx We were able to gather one of the webshells with which we saw the actor interacting, specifically the error2.aspx file listed above ### Response: .