hotpatch-for-apache-log4j2

Log4jHotPatch This is a tool which injects a Java agent into a running JVM process. The agent will attempt to patch the lookup method of all loaded org.apache.logging.log4j.core.lookup.JndiLookup instances to unconditionally return the string "Patched JndiLookup::lookup". It is designed to addres...

log4j2-CVE-2021-45105

Sample Log4j2 vulnerable application CVE-2021-45105 Versions Affected: all versions from 2.0-beta9 to 2.16.0 This application is based on Spring Boot web application vulnerable to CVE-2021-45105 It uses Log4j 2.16.0 Running the application Run it: Import the project in Java IDE as a maven project...

log4j2-rce-recap

Little recap of the log4j2 remote code execution CVE-2021-44228 Requirements maven = 3 java = 8 no running ldap on 127.0.0.1:1389 Usage Build with maven. mvn test The surefire plugin will be executed two times: ExploitabilityTest proofs the expolitability of the bug. MitigationTest will be execut...

log4j2

log4j2 this is a log4j2 jmi attack demo, inspired by link...

log4j2burpscanner

log4j2burpscanner CVE-2021-44228, log4j2 Burp plugin Java version. DNSlog uses non-dnslog.cn domain names. Effect demonstration: Target range the range is relatively slow, but internet assets are fine. The reason might be that the range handles other request headers poorly, or the headers are too...

Log4j-Vulnerability

Log4j Vulnerability Tutorial: https://youtu.be/PNDBjoT83zA Tutorial: https://cryptodeeptech.ru/log4j-vulnerability Background on Log4j Alibaba Cloud Security Team publicly disclosed a critical vulnerability CVE-2021-44228 enabling unauthenticated remote code execution against multiple versions of...

JavaSecLab

JavaSecLab - A Comprehensive Java Vulnerability Lab 中文文档 Overview JavaSecLab is a comprehensive Java vulnerability lab for application security learning, code audit practice, secure development training, and security tool evaluation. Built on Spring Boot, it provides vulnerable code, fixed...

Log4j2-CVE-2021-44228

CVE-2021-44228 Remote Code Injection In Log4j https://twitter.com/jas502n/status/1468946197629272066 SpringBoot-pom.xml default use : xml org.springframework.boot spring-boot-starter-web mvn dependency:treejava INFO | | +- org.springframework.boot:spring-boot-starter-logging:jar:2.6.1:compile INF...

log4shell-vulnerable-app

Log4Shell sample vulnerable application CVE-2021-44228 This repository contains a Spring Boot web application vulnerable to CVE-2021-44228, nicknamed Log4Shell. It uses Log4j 2.14.1 through spring-boot-starter-log4j2 2.6.1 and the JDK 1.8.0181. Running the application Run it: docker run --name...

log4j2-bugmaker

Log4j2-BugMaker CVE-2021-44228 Log4Shell Vulnerability Demonstration Project This is a demonstration project for learning and researching the Log4j2 remote code execution vulnerability Log4Shell. ⚠️ Safety Warning This project is intended for security research and educational purposes only. Do not...

Exploitation-of-Log4j2-CVE-2021-44228

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log4j-poc

log4j-poc Poc of log4j2 CVE-2021-44228...

log4j2-exploit

Log4Shell CVE-2021-44228 proof of concept Requirement Java JDK/JRE 8 or later version curl exploitable Simple spring boot application that serves a login page with user and password. It logs the user name when POSTed to /. It is not required for the application to log any user provided input...

Log4j2-RCE

Log4j2-RCE Log4j2 CVE-2021-44228 Reproduction and Echo Exploit...

mc-log4j-patcher

mc-log4j-patcher Replaces old vulnerable - CVE-2021-44228 Log4j2 version with the latest one 2.15.0 that contains the JNDI RCE fix. Tested on Spigot 1.12.2, PaperSpigot 1.8.8, PaperSpigot 1.17.1 This is intended to fix servers that are currently unsupported, such as PaperSpigot 1.8.8 Please check...

Log4j-PoC

Proof of Concept for Log4j CVE-2021-44228 Disclaimer This project is only for educational purposes. Introduction This is a proof of concept of the log4j rce adapted from HyCraftHD. Here are some links for the CVE-2021-44228: https://www.lunasec.io/docs/blog/log4j-zero-day...

cve-2021-44228-log4shell_rce_reproduction

CVE-2021-44228 — Log4Shell: Apache Log4j2 Remote Code Execution CVSS 10.0 CRITICAL | CWE-502: Deserialization of Untrusted Data | CWE-917: Improper Neutralization for Expression Language Injection Overview Log4Shell CVE-2021-44228 is arguably the most severe vulnerability of the 2020s, affecting...

Microsoft-Defender-for-Endpoint-Deployment-on-Windows-10-11-device

This repository documents how deployment of Microsoft Defender for Endpoint on a Windows 11 device, including onboarding via local script, enabling device discovery, configuring Log4j2 detection CVE-2021-44228, and validating incident response workflows. Key Features ✅ Local script onboarding for...

log4j2-test

Log4j2 2.14.1 LDAP Remote Code Execution Vulnerability CVE-2021-44228 Verification 🎈 Tested on Spring Boot 2.x environment Vulnerability advisory https://nvd.nist.gov/vuln/detail/CVE-2021-44228 target-server pom.xml : Downgraded Log4j2 version to a vulnerable version 17 2.14.1 LoggingController :...

Apache-Log4j2-RCE

Apache Log4j2 RCE Verification Environment Since from 2021.12.09 Some References https://mp.weixin.qq.com/s/yck74F9p9QhVw3ykzVoSg Setting up the Environment Maven introduces related packages and vulnerable version range org.apache.logging.log4j log4j-api 2.14.1 org.apache.logging.log4j log4j-core...