Adversaries may iteratively probe infrastructure using brute-forcing and crawling techniques. While this technique employs similar methods to Brute Force, its goal is the identification of content and infrastructure rather than the discovery of valid credentials. Wordlists used in these scans may contain generic, commonly used names and file extensions or terms specific to a particular software. Adversaries may also create custom, target-specific wordlists using data gathered from other Reconnaissance techniques (ex: Gather Victim Org Information, or Search Victim-Owned Websites).
For example, adversaries may use web content discovery tools such as Dirb, DirBuster, and GoBuster and generic or custom wordlists to enumerate a website’s pages and directories.(Citation: ClearSky Lebanese Cedar Jan 2021) This can help them to discover old, vulnerable pages or hidden administrative portals that could become the target of further operations (ex: Exploit Public-Facing Application or Brute Force).
As cloud storage solutions typically use globally unique names, adversaries may also use target-specific wordlists and tools such as s3recon and GCPBucketBrute to enumerate public and private buckets on cloud infrastructure.(Citation: S3Recon GitHub)(Citation: GCPBucketBrute) Once storage objects are discovered, adversaries may leverage Data from Cloud Storage to access valuable information that can be exfiltrated or used to escalate privileges and move laterally.
View in MITRE ATT&CK®| Capability ID | Capability Description | Mapping Type | ATT&CK ID | ATT&CK Name | Notes |
|---|---|---|---|---|---|
| cloud_ngfw | Cloud Next-Generation Firewall (NGFW)_ | technique_scores | T1595.003 | Wordlist Scanning |
Comments
Cloud NGFW can allow or deny traffic based on the traffic's protocol, destination ports, sources, and destinations. This functionality can be used to restrict access to the endpoints within the virtual private cloud and protect against active scanning.
References
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| Capability ID | Capability Description | Mapping Type | ATT&CK ID | ATT&CK Name | Notes |
|---|---|---|---|---|---|
| aws_web_application_firewall | AWS Web Application Firewall | technique_scores | T1595.003 | Wordlist Scanning |
Comments
AWS Network Firewall has the ability to pass, drop, or alert on traffic based on the network protocol as well as perform deep packet inspection on the payload. This functionality can be used to restrict access to the endpoints within the virtual private cloud and protect against active scanning. This mapping is given a score of Partial because it only protects against active scanning attacks that originate from outside the firewall and not from within network protected by the firewall.
References
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