{
  "ml": {
    "v": "4",
    "fs": [
      {
        "id": 0,
        "prob": 0.999974250793457,
        "class": 2
      }
    ],
    "prob": 0.99997425,
    "class": 2,
    "models": [
      {
        "m": "az",
        "prob": 0.9970758,
        "class": 1
      },
      {
        "m": "az/scripts",
        "prob": 0.9998498,
        "class": 2
      },
      {
        "m": "az/php",
        "prob": 0.99997425,
        "class": 2
      }
    ],
    "version": "v16.16",
    "thresholds": [
      0.9961138,
      0.99909174
    ],
    "analyzed_at": "2026-05-09T06:16:26Z"
  },
  "path": "icarusXD.php",
  "raw": {
    "v": "4",
    "fs": [
      {
        "f": "O₂(As₂C₃)H₃(Po₂OsDb)MdTh",
        "k": {
          "source.imports[0]": "base64_decode",
          "source.imports[1]": "error_reporting",
          "source.imports[2]": "eval",
          "source.imports[3]": "gzuncompress",
          "source.imports[4]": "set_time_limit",
          "source.strings[0]": "#374374",
          "source.strings[1]": "Server Logging System",
          "source.strings[2]": "[] MINI SHELL MR.T0B1 []",
          "source.strings[3]": "icarus02085ZfrozenpeakZ2Z",
          "source.has_imports": true
        },
        "x": 210,
        "id": 0,
        "is": [
          "error_reporting",
          "set_time_limit",
          "eval",
          "gzuncompress",
          "base64_decode"
        ],
        "ms": {
          "file": {
            "size": 26202.0
          },
          "text": {
            "digit_ratio": 0.17,
            "space_count": 44.0,
            "total_lines": 21.0,
            "char_entropy": 6.05,
            "unique_chars": 83.0,
            "import_density": 23.81,
            "lines_over_200": 1.0,
            "lines_over_500": 1.0,
            "string_density": 0.95,
            "avg_line_length": 1246.71,
            "lines_over_1000": 1.0,
            "max_line_length": 25687.0,
            "empty_line_ratio": 0.1,
            "last_line_length": 2.0,
            "long_token_count": 2.0,
            "most_common_char": "d",
            "whitespace_ratio": 0.0,
            "most_common_ratio": 0.02,
            "identifier_density": 0.71,
            "line_length_stddev": 5465.07,
            "encoded_string_ratio": 0.1,
            "normalized_import_count": 1.09,
            "normalized_string_count": 4.36,
            "repeated_char_sequences": 2.0,
            "suspicious_comment_ratio": 0.11,
            "max_inline_whitespace_run": 1.0,
            "normalized_unique_identifiers": 2.96
          },
          "imports": {
            "total": 5.0,
            "unique_modules": 5.0,
            "third_party_count": 5.0,
            "third_party_ratio": 1.0
          },
          "strings": {
            "total": 20.0,
            "avg_length": 2567.3,
            "max_length": 25580.0,
            "avg_entropy": 2.57,
            "total_bytes": 51346.0,
            "entropy_stddev": 1.65,
            "base64_candidates": 2.0,
            "very_long_strings": 2.0,
            "high_entropy_count": 2.0
          },
          "comments": {
            "chars": 226.0,
            "lines": 6.0,
            "total": 9.0,
            "to_code_ratio": 0.4,
            "empty_comments": 3.0,
            "high_entropy_comments": 1.0
          },
          "functions": {},
          "identifiers": {
            "total": 15.0,
            "avg_length": 12.0,
            "max_length": 15.0,
            "min_length": 4.0,
            "avg_entropy": 2.98,
            "reuse_ratio": 0.87,
            "unique_count": 13.0,
            "length_stddev": 2.86,
            "has_digit_ratio": 0.08,
            "high_entropy_count": 1.0,
            "high_entropy_ratio": 0.08,
            "all_lowercase_ratio": 0.92
          }
        },
        "ss": [
          [
            275,
            "[] MINI SHELL MR.T0B1 []"
          ],
          [
            276,
            "[] MINI SHELL MR.T0B1 []"
          ],
          [
            322,
            "Server Logging System"
          ],
          [
            323,
            "Server Logging System"
          ],
          [
            362,
            " :: "
          ],
          [
            363,
            " :: "
          ],
          [
            381,
            " ::"
          ],
          [
            382,
            " ::"
          ],
          [
            405,
            "v1"
          ],
          [
            406,
            "v1"
          ],
          [
            429,
            "icarus02085ZfrozenpeakZ2Z"
          ],
          [
            430,
            "icarus02085ZfrozenpeakZ2Z"
          ],
          [
            476,
            "12345"
          ],
          [
            477,
            "12345"
          ],
          [
            500,
            "#374374"
          ],
          [
            501,
            "#374374"
          ],
          [
            26151,
            "?\u003e"
          ],
          [
            26152,
            "?\u003e"
          ]
        ],
        "sz": 26202,
        "ts": [
          {
            "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": [
              "[base64_decode, error_reporting, eval, gzuncompress, set_time_limit]"
            ],
            "i": "objectives/command-and-control/backdoor/webshell/stager::source-import-base64-decode",
            "l": 1
          },
          {
            "c": 0.8999999761581421,
            "d": "Very long line",
            "e": [
              "text.max_line_length = 25687.00"
            ],
            "i": "metadata/file/text/metrics::single-long-line",
            "l": 1
          },
          {
            "a": "T1505.003",
            "c": 0.8600000143051147,
            "d": "Very long embedded string",
            "e": [
              "strings.max_length = 25580.00"
            ],
            "i": "objectives/command-and-control/backdoor/webshell/stager::very-long-string",
            "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": 0.8399999737739563,
            "d": "Near-zero whitespace script",
            "e": [
              "text.whitespace_ratio = 0.00"
            ],
            "i": "objectives/command-and-control/backdoor/webshell/stager::near-zero-whitespace",
            "l": 1
          },
          {
            "d": "password keyword",
            "e": [
              "password"
            ],
            "i": "micro-behaviors/data/text/keywords/lexicon::password",
            "l": 1
          },
          {
            "c": 0.699999988079071,
            "d": "PHP error suppression operator usage",
            "e": [
              "@set_time_limit(0)"
            ],
            "i": "micro-behaviors/os/stdio::error-suppress-prefix",
            "l": 3
          },
          {
            "c": 0.949999988079071,
            "d": "Disables error reporting (error_reporting(0))",
            "e": [
              "error_reporting(0)"
            ],
            "i": "micro-behaviors/os/stdio::error-reporting-off",
            "l": 3
          },
          {
            "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": 0.8500000238418579,
            "d": "Removes PHP script execution time limit",
            "e": [
              "@set_time_limit(0)"
            ],
            "i": "objectives/command-and-control/backdoor/webshell/session::unlimited-runtime-call",
            "l": 4
          },
          {
            "a": "T1027",
            "c": 1.0,
            "d": "Comment-heavy source context",
            "e": [
              "comments.to_code_ratio = 0.40"
            ],
            "i": "objectives/anti-static/obfuscation/code-metrics/strings::comment-heavy-source",
            "l": 1,
            "m": "B0032"
          },
          {
            "c": 0.699999988079071,
            "d": "Remove execution time limit",
            "e": [
              "set_time_limit"
            ],
            "i": "micro-behaviors/process/control/signal::set-time-limit",
            "l": 3
          },
          {
            "a": "T1027",
            "c": 0.8999999761581421,
            "d": "PHP source contains very long line",
            "e": [
              "text.max_line_length = 25687.00"
            ],
            "i": "objectives/anti-static/obfuscation/code-metrics/identifiers::php-single-long-line",
            "l": 4,
            "m": "B0032"
          },
          {
            "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": 0.800000011920929,
            "d": "High overall text entropy (encoded",
            "e": [
              "text.char_entropy = 6.05"
            ],
            "i": "objectives/anti-static/obfuscation/code-metrics/structure::high-text-entropy",
            "l": 2,
            "m": "B0032"
          },
          {
            "c": 0.8999999761581421,
            "d": "PHP webshell which directly eval()s obfuscated string",
            "e": [
              "eval(\"?\u003e\".gzuncompress(base64_decode",
              "\u003c?",
              "\u003c?php"
            ],
            "i": "third_party/SigBase/WEBSHELL/PHP/Gzinflated",
            "l": 5
          },
          {
            "c": 0.8999999761581421,
            "d": "PHP webshell using $a($code) for kind of eval with encoded blob to decode, e.g. b374k",
            "e": [
              "zuncomp",
              "eval(",
              "\u003c?php",
              "\u003c?",
              "ase6",
              "shell_"
            ],
            "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?php",
              "\u003c?",
              "eval(\""
            ],
            "i": "third_party/SigBase/WEBSHELL/PHP/Encoded/Big",
            "l": 5
          }
        ],
        "sha": "f432c7e0ef87622428cf7ee9dba32f418257bcca6c8cba9880001cd36b7152f1",
        "path": "icarusXD.php",
        "type": "php"
      }
    ],
    "tv": "a9555"
  }
}