{
  "ml": {
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    "fs": [
      {
        "id": 0,
        "prob": 0.9999743700027466,
        "class": 2
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    ],
    "prob": 0.99997437,
    "class": 2,
    "models": [
      {
        "m": "az",
        "prob": 0.99767894,
        "class": 1
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      {
        "m": "az/scripts",
        "prob": 0.9998889,
        "class": 2
      },
      {
        "m": "az/php",
        "prob": 0.99997437,
        "class": 2
      }
    ],
    "version": "v16.16",
    "thresholds": [
      0.9961138,
      0.99909174
    ],
    "analyzed_at": "2026-05-09T02:51:29Z"
  },
  "path": "auth.php",
  "raw": {
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    "fs": [
      {
        "f": "O₂(As₂C₂)H₂(PoDb)MdTh",
        "k": {
          "source.imports[0]": "JBEPl",
          "source.imports[1]": "base64_decode",
          "source.imports[2]": "chr",
          "source.imports[3]": "eval",
          "source.imports[4]": "gzinflate",
          "source.imports[5]": "ord",
          "source.imports[6]": "strlen",
          "source.has_imports": true,
          "source.functions[0]": "JBEPl"
        },
        "x": 174,
        "id": 0,
        "is": [
          "gzinflate",
          "base64_decode",
          "strlen",
          "chr",
          "ord",
          "eval",
          "JBEPl"
        ],
        "ms": {
          "file": {
            "size": 37683.0
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          "text": {
            "digit_ratio": 0.17,
            "space_count": 16.0,
            "total_lines": 1.0,
            "char_entropy": 6.02,
            "unique_chars": 82.0,
            "import_density": 700.0,
            "lines_over_200": 1.0,
            "lines_over_500": 1.0,
            "string_density": 2.0,
            "avg_line_length": 37683.0,
            "lines_over_1000": 1.0,
            "max_line_length": 37683.0,
            "last_line_length": 37683.0,
            "long_token_count": 1.0,
            "most_common_char": "w",
            "whitespace_ratio": 0.0,
            "most_common_ratio": 0.02,
            "identifier_density": 20.0,
            "encoded_string_ratio": 1.0,
            "normalized_import_count": 7.0,
            "normalized_string_count": 2.0,
            "max_inline_whitespace_run": 1.0,
            "normalized_function_count": 1.0,
            "imports_to_functions_ratio": 7.0,
            "strings_to_functions_ratio": 2.0,
            "suspicious_identifier_ratio": 0.11,
            "identifiers_to_functions_ratio": 9.0
          },
          "imports": {
            "total": 7.0,
            "unique_modules": 7.0,
            "third_party_count": 7.0,
            "third_party_ratio": 1.0
          },
          "strings": {
            "total": 2.0,
            "avg_length": 37476.0,
            "max_length": 37476.0,
            "avg_entropy": 6.0,
            "total_bytes": 74952.0,
            "base64_candidates": 2.0,
            "very_long_strings": 2.0,
            "high_entropy_count": 2.0
          },
          "comments": {
            "chars": 31.0,
            "lines": 1.0,
            "total": 1.0
          },
          "functions": {
            "total": 1.0,
            "one_liners": 1.0,
            "avg_name_length": 5.0,
            "no_params_count": 1.0,
            "avg_length_lines": 1.0,
            "max_length_lines": 1.0,
            "min_length_lines": 1.0,
            "density_per_100_lines": 100.0,
            "code_in_functions_ratio": 1.0
          },
          "identifiers": {
            "total": 20.0,
            "avg_length": 5.33,
            "max_length": 13.0,
            "min_length": 1.0,
            "avg_entropy": 2.05,
            "reuse_ratio": 0.45,
            "unique_count": 9.0,
            "length_stddev": 3.43,
            "has_digit_ratio": 0.11,
            "sequential_names": 1.0,
            "single_char_count": 1.0,
            "single_char_ratio": 0.11,
            "all_lowercase_ratio": 0.67
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        },
        "sz": 37683,
        "ts": [
          {
            "c": 0.800000011920929,
            "d": "Very short file (under 12 lines)",
            "e": [
              "text.total_lines = 1.00"
            ],
            "i": "metadata/file/text/metrics::file-under-12-lines",
            "l": 1
          },
          {
            "a": "T1059.006",
            "c": 0.75,
            "d": "PHP eval() token present",
            "e": [
              "eval"
            ],
            "i": "micro-behaviors/process/interpreter/eval::eval-symbol",
            "l": 4,
            "m": "E1059"
          },
          {
            "a": "T1505.003",
            "c": 0.8999999761581421,
            "d": "PHP source imports base64_decode",
            "e": [
              "[JBEPl, base64_decode, chr, eval, gzinflate, ord, strlen]"
            ],
            "i": "objectives/command-and-control/backdoor/webshell/stager::source-import-base64-decode",
            "l": 1
          },
          {
            "a": "T1505.003",
            "d": "PHP open tag",
            "e": [
              "\u003c?php"
            ],
            "i": "objectives/command-and-control/backdoor/webshell/request::php-tag",
            "l": 1,
            "m": "B0030"
          },
          {
            "c": 0.8999999761581421,
            "d": "Very long line",
            "e": [
              "text.max_line_length = 37683.00"
            ],
            "i": "metadata/file/text/metrics::single-long-line",
            "l": 1
          },
          {
            "c": 0.8399999737739563,
            "d": "Regex component marker",
            "e": [
              "store"
            ],
            "i": "micro-behaviors/data/text/llm/action::llm-send-action-cond-6--inline-11769",
            "l": 1
          },
          {
            "a": "T1027",
            "c": 0.8999999761581421,
            "d": "Last line is over 1000 chars",
            "e": [
              "text.last_line_length = 37683.00"
            ],
            "i": "objectives/anti-static/obfuscation/code-metrics/structure::last-line-over-1000",
            "l": 1,
            "m": "B0032"
          },
          {
            "a": "T1027",
            "c": 0.800000011920929,
            "d": "High entropy strings (encoded/encrypted data)",
            "e": [
              "strings.avg_entropy = 6.00"
            ],
            "i": "objectives/anti-static/obfuscation/code-metrics/strings::high-entropy-strings-dup",
            "l": 3,
            "m": "B0032"
          },
          {
            "a": "T1505.003",
            "c": 0.8399999737739563,
            "d": "Near-zero whitespace script",
            "e": [
              "text.whitespace_ratio = 0.00"
            ],
            "i": "objectives/command-and-control/backdoor/webshell/stager::near-zero-whitespace",
            "l": 1
          },
          {
            "a": "T1027",
            "c": 0.8999999761581421,
            "d": "Exactly one line exceeds 1000 chars",
            "e": [
              "text.lines_over_1000 = 1.00"
            ],
            "i": "objectives/anti-static/obfuscation/code-metrics/structure::single-long-line-outlier",
            "l": 1,
            "m": "B0032"
          },
          {
            "a": "T1505.003",
            "c": 0.8600000143051147,
            "d": "Very long embedded string",
            "e": [
              "strings.max_length = 37476.00"
            ],
            "i": "objectives/command-and-control/backdoor/webshell/stager::very-long-string",
            "l": 1
          },
          {
            "c": 0.949999988079071,
            "d": "File is a one-liner",
            "e": [
              "text.total_lines = 1.00"
            ],
            "i": "metadata/file/text/metrics::file-one-liner",
            "l": 1
          },
          {
            "a": "T1027",
            "c": 0.699999988079071,
            "d": "Very low whitespace ratio (minified/compressed)",
            "e": [
              "text.whitespace_ratio = 0.00"
            ],
            "i": "objectives/anti-static/obfuscation/code-metrics/structure::low-whitespace",
            "l": 2,
            "m": "B0032"
          },
          {
            "a": "T1027",
            "c": 0.4000000059604645,
            "d": "Very few string literals (string obfuscation indicator)",
            "e": [
              "strings.total = 2.00"
            ],
            "i": "objectives/anti-static/obfuscation/code-metrics/strings::few-strings",
            "l": 3,
            "m": "B0032"
          },
          {
            "a": "T1027",
            "c": 0.800000011920929,
            "d": "High overall text entropy (encoded",
            "e": [
              "text.char_entropy = 6.02"
            ],
            "i": "objectives/anti-static/obfuscation/code-metrics/structure::high-text-entropy",
            "l": 2,
            "m": "B0032"
          },
          {
            "a": "T1027",
            "c": 0.8500000238418579,
            "d": "High function density",
            "e": [
              "functions.density_per_100_lines = 100.00"
            ],
            "i": "objectives/anti-static/obfuscation/code-metrics/functions::high-function-density",
            "l": 2,
            "m": "B0032"
          },
          {
            "a": "T1027",
            "c": 0.8999999761581421,
            "d": "PHP source contains very long line",
            "e": [
              "text.max_line_length = 37683.00"
            ],
            "i": "objectives/anti-static/obfuscation/code-metrics/identifiers::php-single-long-line",
            "l": 4,
            "m": "B0032"
          },
          {
            "a": "T1027",
            "c": 0.8999999761581421,
            "d": "Minified/compressed code (multiple indicators)",
            "e": [
              "functions.density_per_100_lines = 100.00",
              "text.whitespace_ratio = 0.00"
            ],
            "i": "objectives/anti-static/obfuscation/code-metrics/structure::minified-code",
            "l": 2,
            "m": "B0032"
          },
          {
            "c": 0.8999999761581421,
            "d": "PHP webshell using $a($code) for kind of eval with encoded blob to decode, e.g. b374k",
            "e": [
              "\u003c?",
              "\u003c?php",
              "eval(",
              "ase6"
            ],
            "i": "third_party/SigBase/WEBSHELL/PHP/Dynamic/Big",
            "l": 5
          },
          {
            "c": 0.8999999761581421,
            "d": "PHP webshell using some kind of eval with encoded blob to decode, which is checked with YARAs math.entropy module",
            "e": [
              "\u003c?",
              "eval(J",
              "\u003c?php"
            ],
            "i": "third_party/SigBase/WEBSHELL/PHP/Encoded/Big",
            "l": 5
          }
        ],
        "sha": "8183a71a01672cd36c4db0b4508f59ddb833b6815767ced214d7dfb31e393960",
        "path": "auth.php",
        "type": "php"
      }
    ],
    "tv": "a9555"
  }
}