mirror of
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86 lines
3.4 KiB
Java
86 lines
3.4 KiB
Java
/* ###
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* IP: GHIDRA
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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//Creates a http download URL for a binary that Microsoft has previously published on their symbol server
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// (ie. windows OS binaries). Useful for sharing an exact Windows OS binary from your local
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// workstation to someone else without requiring the recipient to trust your binary as they
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// can download it directly from Microsoft's symbol server.
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// This works by extracting 2 pieces of metadata from the chosen binary's PE header to create
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// the URL to Microsoft's symbol server and verifying that it exists on Microsoft's symbol server
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// by connecting to the MS symbol server and probing for the file before declaring success and
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// showing it to the user.
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//@category Import
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import java.io.File;
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import java.io.IOException;
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import java.net.URI;
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import java.nio.file.AccessMode;
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import java.util.List;
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import ghidra.app.script.GhidraScript;
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import ghidra.app.util.bin.FileByteProvider;
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import ghidra.app.util.bin.format.pe.NTHeader;
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import ghidra.app.util.bin.format.pe.PortableExecutable;
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import ghidra.app.util.bin.format.pe.PortableExecutable.SectionLayout;
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import pdb.symbolserver.*;
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public class GetMSDownloadLinkScript extends GhidraScript {
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private static final String MS_PUBLIC_SYMBOL_SERVER_URL =
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"https://msdl.microsoft.com/download/symbols/";
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@Override
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protected void run() throws Exception {
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SymbolServerService symbolService =
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new SymbolServerService(new SameDirSymbolStore(null), List.of(
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new HttpSymbolServer(URI.create(MS_PUBLIC_SYMBOL_SERVER_URL))));
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File f = askFile("File To Scan", "Select");
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if (f == null) {
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return;
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}
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try (FileByteProvider bp = new FileByteProvider(f, null, AccessMode.READ)) {
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monitor.setMessage("Parsing file " + f.getName());
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PortableExecutable pe = new PortableExecutable(bp, SectionLayout.FILE, false, false);
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NTHeader ntHeader = pe.getNTHeader();
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if (ntHeader != null && ntHeader.getOptionalHeader() != null) {
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int timeDateStamp = ntHeader.getFileHeader().getTimeDateStamp();
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int sizeOfImage = (int) ntHeader.getOptionalHeader().getSizeOfImage();
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println(f + ", timeDateStamp: " + Integer.toHexString(timeDateStamp) +
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", sizeOfImage: " + Integer.toHexString(sizeOfImage));
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SymbolFileInfo symbolFileInfo = SymbolFileInfo.fromValues(f.getName().toLowerCase(),
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Integer.toHexString(timeDateStamp), sizeOfImage);
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List<SymbolFileLocation> findResults =
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symbolService.find(symbolFileInfo, FindOption.of(FindOption.ALLOW_REMOTE),
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monitor);
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if (findResults.isEmpty()) {
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println("Not found on " + MS_PUBLIC_SYMBOL_SERVER_URL);
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return;
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}
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SymbolFileLocation symLoc = findResults.get(0);
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println("Download link: " + symLoc.getLocationStr());
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}
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else {
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printerr("Unrecognized format: " + f);
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}
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}
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catch (IOException e) {
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printerr("Failed to parse file: " + f);
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printerr(e.getMessage());
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}
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}
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}
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