[Bibl]

load jars from file or url 

Code:

JarDownloader dl = new JarDownloader(new JarInfo(new File("jar.jar")));
boolean worked = dl.parse();
Map<String, ClassNode> nodes = dl.getContents();

Code:

JarDumper dumper = new JarDumper(contents);
dumper.dump(new File("out.jar"));

Add Analysers, store class, field and method data into HookMaps
A lot of filters

https://bitbucket.org/0xJAVA/byte-engine...?at=master

Code:

Refactorer refactorer = new Refactorer(hookMap, contents);
refactorer.run();

changes whole jars class, method and field names based on mapping data.

Code:

InstructionPrinter.consolePrint(methodName);

pretty prints

Code:

InstructionSearcher searcher = new InstructionSearcher(m.instructions, pattern);
boolean match = searcher.search();
List<AbstractInsnNode[]> matchedInsns = searched.getMatches();

find opcode/instruction patterns in code.