mirror of
https://github.com/mukul975/Anthropic-Cybersecurity-Skills.git
synced 2026-06-12 14:14:56 +03:00
mukul975
31 lines
1.1 KiB
Markdown
31 lines
1.1 KiB
Markdown
# Ransomware Encryption Standards Reference
|
|
|
|
## Common Encryption Schemes by Family
|
|
| Family | Symmetric | Asymmetric | Key Size |
|
|
|--------|-----------|-----------|----------|
|
|
| Rhysida | AES-256-CTR | RSA-4096 | 256-bit |
|
|
| Qilin.B | AES-256-CTR/ChaCha20 | RSA-4096 OAEP | 256-bit |
|
|
| Medusa | AES-256 | RSA public key | 256-bit |
|
|
| LockBit 3.0 | AES-256-CTR | Curve25519 | 256-bit |
|
|
| BlackCat/ALPHV | AES-128/ChaCha20 | RSA-2048 | 128/256-bit |
|
|
| Conti | ChaCha20 | RSA-4096 | 256-bit |
|
|
|
|
## Windows Cryptographic API Cheat Sheet
|
|
| Function | Purpose |
|
|
|----------|---------|
|
|
| CryptAcquireContext | Acquire crypto provider handle |
|
|
| CryptGenKey | Generate symmetric/asymmetric key |
|
|
| CryptImportKey | Import key blob |
|
|
| BCryptOpenAlgorithmProvider | Open CNG algorithm |
|
|
| BCryptGenerateSymmetricKey | Create symmetric key |
|
|
|
|
## MITRE ATT&CK Techniques
|
|
- T1486: Data Encrypted for Impact
|
|
- T1490: Inhibit System Recovery
|
|
- T1083: File and Directory Discovery
|
|
- T1082: System Information Discovery
|
|
|
|
## References
|
|
- [No More Ransom Decryptors](https://www.nomoreransom.org/en/decryption-tools.html)
|
|
- [ID Ransomware](https://id-ransomware.malwarehunterteam.com/)
|