mirror of https://github.com/gchq/CyberChef.git
97 lines
2.4 KiB
JavaScript
97 lines
2.4 KiB
JavaScript
import disassemble from "../vendor/DisassembleX86-64.js";
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/**
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* Shellcode operations.
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*
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* @author n1474335 [n1474335@gmail.com]
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* @copyright Crown Copyright 2017
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* @license Apache-2.0
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*
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* @namespace
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*/
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const Shellcode = {
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/**
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* @constant
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* @default
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*/
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MODE: ["64", "32", "16"],
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/**
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* @constant
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* @default
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*/
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COMPATIBILITY: [
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"Full x86 architecture",
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"Knights Corner",
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"Larrabee",
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"Cyrix",
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"Geode",
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"Centaur",
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"X86/486"
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],
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/**
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* Disassemble x86 operation.
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*
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* @param {string} input
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* @param {Object[]} args
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* @returns {string}
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*/
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runDisassemble: function(input, args) {
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const mode = args[0],
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compatibility = args[1],
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codeSegment = args[2],
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offset = args[3],
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showInstructionHex = args[4],
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showInstructionPos = args[5];
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switch (mode) {
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case "64":
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disassemble.setBitMode(2);
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break;
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case "32":
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disassemble.setBitMode(1);
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break;
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case "16":
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disassemble.setBitMode(0);
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break;
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default:
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throw "Invalid mode value";
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}
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switch (compatibility) {
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case "Full x86 architecture":
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disassemble.CompatibilityMode(0);
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break;
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case "Knights Corner":
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disassemble.CompatibilityMode(1);
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break;
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case "Larrabee":
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disassemble.CompatibilityMode(2);
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break;
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case "Cyrix":
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disassemble.CompatibilityMode(3);
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break;
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case "Geode":
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disassemble.CompatibilityMode(4);
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break;
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case "Centaur":
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disassemble.CompatibilityMode(5);
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break;
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case "X86/486":
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disassemble.CompatibilityMode(6);
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break;
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}
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disassemble.SetBasePosition(codeSegment + ":" + offset);
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disassemble.setShowInstructionHex(showInstructionHex);
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disassemble.setShowInstructionPos(showInstructionPos);
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disassemble.LoadBinCode(input.replace(/\s/g, ""));
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return disassemble.LDisassemble();
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},
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};
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export default Shellcode;
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