You can use these commands and rules to search for exploitation attempts against log4j RCE vulnerability CVE-2021-44228
This command searches for exploitation attempts in uncompressed files in folder /var/log and all sub folders
sudo egrep -i -r '\$\{jndi:(ldap[s]?|rmi|dns):/[^\n]+' /var/log
| native-image --no-server -jar demo-native-0.0.1-SNAPSHOT.jar -H:IncludeResources=E:\Projects\demo-native\target\classes\META-INF\native-image\org.springframework.aot\spring-aot\native-image.properties -H:ReflectionConfigurationFiles=E:\Projects\demo-native\target\classes\META-INF\native-image\org.springframework.aot\spring-aot\reflect-config.json -H:DynamicProxyConfigurationFiles=E:\Projects\demo-native\target\classes\META-INF\native-image\org.springframework.aot\spring-aot\proxy-config.json -H:+ReportExceptionStackTraces -cp demo-native-0.0.1-SNAPSHOT.jar -H:-AllowVMInspection --allow-incomplete-classpath |
| cosmin@pop-os:~$ sudo fdisk /dev/sda | |
| Welcome to fdisk (util-linux 2.36). | |
| Changes will remain in memory only, until you decide to write them. | |
| Be careful before using the write command. | |
| Device does not contain a recognized partition table. | |
| Created a new DOS disklabel with disk identifier 0xfd679ce9. | |
| Command (m for help): m |
| <!DOCTYPE html> | |
| <html lang="en"> | |
| <script src="https://cdnjs.cloudflare.com/ajax/libs/Chart.js/2.9.4/Chart.min.js"></script> | |
| <script src="https://code.jquery.com/jquery-3.5.1.min.js" | |
| integrity="sha256-9/aliU8dGd2tb6OSsuzixeV4y/faTqgFtohetphbbj0=" | |
| crossorigin="anonymous"></script> | |
| D:\Proiecte\Java\code-with-quarkus-profanity\code-with-quarkus-profanity>mvn -T 4 clean install | |
| [INFO] Scanning for projects... | |
| [WARNING] | |
| [WARNING] Some problems were encountered while building the effective model for org.acme:code-with-quarkus-profanity:jar:1.0.0-SNAPSHOT | |
| [WARNING] 'build.plugins.plugin.(groupId:artifactId)' must be unique but found duplicate declaration of plugin org.apache.maven.plugins:maven-compi | |
| ler-plugin @ line 105, column 15 | |
| [WARNING] | |
| [WARNING] It is highly recommended to fix these problems because they threaten the stability of your build. | |
| [WARNING] | |
| [WARNING] For this reason, future Maven versions might no longer support building such malformed projects. |
| package com.company; | |
| import java.util.*; | |
| public class Bani { | |
| public static void main(String[] args) { | |
| var input = List.of(1891, | |
| 1975, | |
| 1987, |
| <VirtualHost *:8081> | |
| ProxyPreserveHost On | |
| ErrorLog ${APACHE_LOG_DIR}/error_quarkus.log | |
| CustomLog ${APACHE_LOG_DIR}/access_quarkus.log combined | |
| # Servers to proxy the connection, or; | |
| # List of application servers: | |
| # Usage: | |
| # ProxyPass / http://[IP Addr.]:[port]/ | |
| # ProxyPassReverse / http://[IP Addr.]:[port]/ |
| package com.company; | |
| import java.math.BigInteger; | |
| import java.security.SecureRandom; | |
| public class RSA { | |
| private final static BigInteger one = new BigInteger("1"); | |
| private final static SecureRandom random = new SecureRandom(); |
| using System; | |
| using System.Linq; | |
| namespace Craaash | |
| { | |
| class Program | |
| { | |
| static void Main(string[] args) | |
| { |
| package com.company; | |
| import java.util.stream.IntStream; | |
| public class FizzBuzz { | |
| public static void main(String[] args) { | |
| IntStream.range(1, 100) | |
| .mapToObj( x -> x % 15 == 0 ? "FizzBuzz" : x % 5 == 0 ? "Buzz" : x % 3 == 0 ? "Fizz" : x) | |
| .forEach(System.out::println); |