INNER CODE UNIT · C++

valb

stivenhacker/GhostStrike · GhostStrike.cpp:38

    int valb = -6;
    for (size_t i = 0; i < bufLen; ++i) {
        val = (val << 8) + buf[i];
        valb += 8;
        while (valb >= 0) {
            ret.push_back(base64_chars[(val >> valb) & 0x3F]);
            valb -= 6;
        }
    }
    if (valb > -6) ret.push_back(base64_chars[((val << 8) >> (valb + 8)) & 0x3F]);
    while (ret.size() % 4) ret.push_back('=');
    return ret;
}

// Decodes a Base64 string back into binary data.
// This is necessary to decode the shellcode before executing it.
std::vector<unsigned char> base64_decode(const std::string& encoded_string) {
    std::vector<unsigned char> ret;

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