ghidra/Ghidra/Features/Base/ghidra_scripts/SearchMemoryForStringsRegEx...

84 lines
2.4 KiB
Java

/* ###
* IP: GHIDRA
* REVIEWED: YES
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
//Uses regular expressions to search memory.
//@category Search
import ghidra.app.script.GhidraScript;
import ghidra.program.model.address.*;
import java.util.ArrayList;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
public class SearchMemoryForStringsRegExScript extends GhidraScript {
@Override
public void run() throws Exception {
AddressSetView searchSet =
currentSelection == null ? (AddressSetView) currentProgram.getMemory()
: currentSelection;
String regexstr = askString("Regular Expression", "Please enter your regex:");
Pattern pattern = Pattern.compile(regexstr);
ArrayList<Address> matchingAddressList = new ArrayList<Address>();
AddressRangeIterator iter = searchSet.getAddressRanges();
boolean shouldContinue = true;
while (iter.hasNext() && !monitor.isCancelled() && shouldContinue) {
AddressRange range = iter.next();
monitor.setMessage("Searching ... " + range.getMinAddress() + " to " +
range.getMaxAddress());
byte[] bytes = new byte[(int) range.getLength()];
currentProgram.getMemory().getBytes(range.getMinAddress(), bytes);
String data = new String(bytes, "ISO-8859-1");
Matcher matcher = pattern.matcher(data);
while (!monitor.isCancelled() && matcher.find()) {
int startIndex = matcher.start();
Address matchAddress = range.getMinAddress().add(startIndex);
matchingAddressList.add(matchAddress);
if (matchingAddressList.size() > 500) {
popup("More than 500 matches found.");
shouldContinue = false;
break;
}
if (matchAddress.compareTo(range.getMaxAddress()) >= 0) {
break;
}
}
}
if (matchingAddressList.size() == 0) {
println("No match found");
return;
}
Address[] addrs = new Address[matchingAddressList.size()];
matchingAddressList.toArray(addrs);
show(addrs);
}
}