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VenomRat

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Anonymous
2023-07-29 23:37:10 +05:30
parent c6c629437c
commit 85f5411b6e
158 changed files with 220479 additions and 4 deletions
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Helper/CreateCertificate.cs Normal file
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using System;
using System.Security.Cryptography.X509Certificates;
using Org.BouncyCastle.Asn1.X509;
using Org.BouncyCastle.Crypto;
using Org.BouncyCastle.Crypto.Generators;
using Org.BouncyCastle.Crypto.Operators;
using Org.BouncyCastle.Crypto.Parameters;
using Org.BouncyCastle.Math;
using Org.BouncyCastle.Security;
using Org.BouncyCastle.X509;
using Org.BouncyCastle.X509.Extension;
namespace Server.Helper;
public static class CreateCertificate
{
public static X509Certificate2 CreateCertificateAuthority(string caName, int keyStrength)
{
SecureRandom random = new SecureRandom();
RsaKeyPairGenerator rsaKeyPairGenerator = new RsaKeyPairGenerator();
rsaKeyPairGenerator.Init(new KeyGenerationParameters(random, keyStrength));
AsymmetricCipherKeyPair asymmetricCipherKeyPair = rsaKeyPairGenerator.GenerateKeyPair();
X509V3CertificateGenerator x509V3CertificateGenerator = new X509V3CertificateGenerator();
X509Name issuerDN = new X509Name("CN=" + caName + ",OU=qwqdanchun,O=VenomRAT By qwqdanchun,L=SH,C=CN");
X509Name subjectDN = new X509Name("CN=VenomRAT");
BigInteger serialNumber = BigInteger.ProbablePrime(160, new SecureRandom());
x509V3CertificateGenerator.SetSerialNumber(serialNumber);
x509V3CertificateGenerator.SetSubjectDN(subjectDN);
x509V3CertificateGenerator.SetIssuerDN(issuerDN);
x509V3CertificateGenerator.SetNotAfter(DateTime.UtcNow.Subtract(new TimeSpan(-3650, 0, 0, 0)));
x509V3CertificateGenerator.SetNotBefore(DateTime.UtcNow.Subtract(new TimeSpan(285, 0, 0, 0)));
x509V3CertificateGenerator.SetPublicKey(asymmetricCipherKeyPair.Public);
x509V3CertificateGenerator.AddExtension(X509Extensions.SubjectKeyIdentifier, critical: false, new SubjectKeyIdentifierStructure(asymmetricCipherKeyPair.Public));
x509V3CertificateGenerator.AddExtension(X509Extensions.BasicConstraints, critical: true, new BasicConstraints(cA: true));
ISignatureFactory signatureCalculatorFactory = new Asn1SignatureFactory("SHA512WITHRSA", asymmetricCipherKeyPair.Private, random);
return new X509Certificate2(DotNetUtilities.ToX509Certificate(x509V3CertificateGenerator.Generate(signatureCalculatorFactory)))
{
PrivateKey = DotNetUtilities.ToRSA(asymmetricCipherKeyPair.Private as RsaPrivateCrtKeyParameters)
};
}
}