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{
    "id": 97,
    "key": "caesar-cipher",
    "unprotect_id": "U0705",
    "name": "Caesar Cipher",
    "description": "The Caesar Cipher is a simple encoding algorithm that was used during the Roman Empire to hide secret messages. In this algorithm, each letter of the plaintext is replaced with a letter that is a fixed number of positions down the alphabet. For example, if the shift value is 3, then the letter \"A\" would be replaced with \"D\", \"B\" would be replaced with \"E\", and so on. \r\n\r\nThe Caesar Cipher is a monoalphabetic substitution cipher, meaning that each letter of the plaintext is replaced with the same letter of the ciphertext every time it appears. This makes the Caesar Cipher relatively easy to break, as frequency analysis can be used to determine the shift value and decrypt the ciphertext. \r\n\r\nThe Caesar Cipher algorithm can be used by malware in several ways. One possible use case is to encode the payload or command and control (C2) communication in order to make it more difficult for security tools and forensic investigators to detect and analyze. \r\n\r\nAnother possible use case is to use the Caesar Cipher as part of a more complex encoding scheme, such as using it to encrypt the payload and then using another algorithm, such as Base64, to encode the resulting ciphertext. This can make the encoded payload even more difficult to detect and analyze. In both cases, the use of the Caesar Cipher can help the malware avoid detection and continue operating on a compromised system.",
    "resources": "https://blog.malwarebytes.com/threat-analysis/2013/03/obfuscation-malwares-best-friend/",
    "creation_date": "2019-03-18T14:53:09Z",
    "tags": "Caesar Cipher,\r\nEncoding algorithm,\r\nRoman Empire,\r\nSecret message,\r\nMonoalphabetic substitution cipher,\r\nPlaintext,\r\nCiphertext,\r\nShift value,\r\nFrequency analysis,",
    "modification_date": "2023-10-04T10:42:42.092000Z",
    "category": [
        7
    ],
    "rules": [],
    "attachments": [],
    "featured_api": [],
    "contributors": []
}