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Spring4Shell

Installs a pneuma agent on the remote server by exploiting the remote code execution vulnerability (CVE-2022-22965) in Spring Framework. You can use the following command to start up a vulnerable docker instance: "docker run -d -p 8082:8080 --name springrce -it vulfocus/spring-core-rce-2022-03-29"

2022-04-21

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Professional
This is a professional attack chain. A professional subscription automatically gives you access to this chain + 50 more, with direct integration inside of Operator.info
Authors:bartimus

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TTPs

Exploit remote Spring server
Task webshell to trigger Pneuma download
Task webshell to set payload permissions
Task webshell with agent callback

Tactics

User-Set Custom Variables

  • target: http://127.0.0.1:8082
  • webshell_directory: http://127.0.0.1:8082
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Allows an attacker to modify arbitrary read-only files.
LPE in polkit (CVE-2021-4034)

2022-01-26

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An LPE in polkit's pkexec affecting all major distros since May 2009.
Log4j Infrastructure

2022-01-13

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Stand up infrastructure to exploit CVE-2021-44228.
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