Database Assessmentmongodbdatabasebsonimportexportdumprestoregridfsmonitoring

MongoDB Tools

MongoDB tools package containing utilities for database administration, data import/export, backup/restore operations, and GridFS file management. Provides command-line interfaces for interacting with MongoDB servers, replica sets, and sharded clusters.

Description

The mongo-tools package bundles essential MongoDB database utilities designed for data manipulation, backup, monitoring, and GridFS operations. These tools enable security professionals to assess, extract, and manage MongoDB data stores commonly found in web applications and enterprise environments. Key use cases include reconnaissance of exposed MongoDB instances, data exfiltration via export functions, and forensic analysis through backup dumps and restores.

Tools like mongoexport and mongoimport facilitate converting data between MongoDB collections and standard formats such as JSON, CSV, and TSV, supporting targeted queries and field selection. Backup capabilities via mongodump and mongorestore allow capturing entire databases or specific collections in BSON format, with support for point-in-time recovery using oplog. Mongostat provides real-time monitoring of server statistics, while mongofiles handles GridFS storage for large binary files.

In cybersecurity contexts, these tools are valuable for database assessment during penetration testing, verifying backups in post-exploitation scenarios, and analyzing MongoDB deployments for misconfigurations or weak authentication. All tools support connection to remote servers via standard MongoDB URIs, with options for SSL, authentication mechanisms including Kerberos and AWS IAM, and replica set handling.

How It Works

Mongo-tools operate as client-side utilities connecting to MongoDB servers using the MongoDB wire protocol over TCP (default port 27017). They authenticate via mechanisms like SCRAM-SHA-256, GSSAPI/Kerberos, or AWS IAM, and support SSL/TLS with custom CA certificates and PEM keys. Data operations use BSON (Binary JSON) serialization for efficient transfer; mongodump/mongorestore read/write .bson files with optional Gzip compression and oplog replay for consistency. mongoimport/mongoexport parse JSON/CSV/TSV inputs, applying query filters in Extended JSON format and handling field mapping. mongofiles interacts with GridFS buckets for chunked file storage/retrieval. mongostat polls serverStatus metrics at specified intervals, computing rates and diffs for live statistics. bsondump decodes raw BSON files into JSON or debug formats for inspection.

Installation

bash
sudo apt install mongo-tools

Flags

--helpprint usage
--versionprint the tool version and exit
--verbose=<level>more detailed log output (include multiple times for more verbosity, e.g. -vvvvv, or specify a numeric value, e.g. --verbose=N)
--quiethide all log output
-h, --host=<hostname>mongodb host to connect to (setname/host1,host2 for replica sets)
--port=<port>server port (can also use --host hostname:port)
-u, --username=<username>username for authentication
-p, --password=<password>password for authentication
-d, --db=<database-name>database to use
-c, --collection=<collection-name>collection to use
--type=<type>type of output: debug, json (bsondump); the output format, either json or csv (mongoexport)
--objcheckvalidate BSON during processing (bsondump); validate all objects before inserting (mongorestore)
--prettyoutput JSON formatted to be human-readable (bsondump)
-o, --out=<directory-path>output directory, or '-' for stdout (mongodump); output file (mongoexport)
-q, --query=query filter, as a v2 Extended JSON string, e.g., '{"x":{"$gt":1}}' (mongodump); query filter, as a JSON string, e.g., '{x:{$gt:1}}' (mongoexport)
-f, --fields=<field>[,<field>]*comma separated list of field names (mongoexport); comma separated list of fields (mongoimport)

Examples

Display help and usage information for bsondump tool
bsondump --help
View and debug .bson files in human-readable format
bsondump <file>
Display help for mongodump, showing options for exporting server content to .bson files
mongodump --help
Export a specific database and collection to .bson files
mongodump -d <database-name> -c <collection-name>
Display help for mongorestore, showing options for restoring backups to a running server
mongorestore --help
Restore backups generated with mongodump to a running MongoDB server
mongorestore <directory or file to restore>
Display help for mongoexport, showing options for exporting data in CSV or JSON format
mongoexport --help
Monitor basic MongoDB server statistics at specified polling interval
mongostat <connection-string> <polling interval in seconds>
Updated 2026-04-16kali.org ↗