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https://github.com/mhmdiaa/second-order
Second-order subdomain takeover scanner
https://github.com/mhmdiaa/second-order
crawler crawling infosec mapping penetration-testing penetration-testing-tools pentesting recon reconnaissance security security-tools web-application-security wordlist wordlist-generator
Last synced: about 13 hours ago
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Second-order subdomain takeover scanner
- Host: GitHub
- URL: https://github.com/mhmdiaa/second-order
- Owner: mhmdiaa
- License: mit
- Created: 2017-06-23T21:03:27.000Z (over 7 years ago)
- Default Branch: master
- Last Pushed: 2023-03-06T23:01:47.000Z (over 1 year ago)
- Last Synced: 2024-08-01T10:17:24.001Z (3 months ago)
- Topics: crawler, crawling, infosec, mapping, penetration-testing, penetration-testing-tools, pentesting, recon, reconnaissance, security, security-tools, web-application-security, wordlist, wordlist-generator
- Language: Go
- Homepage:
- Size: 89.8 KB
- Stars: 372
- Watchers: 7
- Forks: 64
- Open Issues: 3
-
Metadata Files:
- Readme: README.md
- License: LICENSE
Awesome Lists containing this project
- awesome-bugbounty-tools - second-order - Second-order subdomain takeover scanner (Miscellaneous / Subdomain Takeover)
- awesome-hacking-lists - mhmdiaa/second-order - Second-order subdomain takeover scanner (Go)
README
# Second Order
Scans web applications for second-order subdomain takeover by crawling the app, and collecting URLs (and other data) that match certain rules, or respond in a certain way.
## Installation
### From binary
Download a prebuilt binary from the [releases page](https://github.com/mhmdiaa/second-order/releases/latest) and unzip it.
### From source
Go version 1.17 is recommended.
```
go install -v github.com/mhmdiaa/second-order@latest
```
### Docker
```
docker pull mhmdiaa/second-order
```
## Command line options
```
-target string
Target URL
-config string
Configuration file (default "config.json")
-depth int
Depth to crawl (default 1)
-header value
Header name and value separated by a colon 'Name: Value' (can be used more than once)
-insecure
Accept untrusted SSL/TLS certificates
-output string
Directory to save results in (default "output")
-threads int
Number of threads (default 10)
```
## Configuration File
**Example configuration files are in [config](/config/)**
- `LogQueries`: A map of tag-attribute queries that will be searched for in crawled pages. For example, `"a": "href"` means log every `href` attribute of every `a` tag.
- `LogNon200Queries`: A map of tag-attribute queries that will be searched for in crawled pages, and logged only if they contain a valid URL that doesn't return a `200` status code.
- `LogInline`: A list of tags whose inline content (between the opening and closing tags) will be logged, like `title` and `script`
## Output
All results are saved in JSON files that specify what and where data was found
- The results of `LogQueries` are saved in `attributes.json`
```
{
"https://example.com/": {
"input[name]": [
"user",
"id",
"debug"
]
}
}
```
- The results of `LogNon200Queries` are saved in `non-200-url-attributes.json`
```
{
"https://example.com/": {
"script[src]": [
"https://cdn.old_abandoned_domain.com/app.js",
]
}
}
```
- The results of `LogInline` are saved in `inline.json`
```
{
"https://example.com/": {
"title": [
"Example - Home"
]
},
"https://example.com/login": {
"title": [
"Example - login"
]
}
}
```
## Usage Ideas
This is a list of tips and ideas (not necessarily related to second-order subdomain takeover) on what to use Second Order for.
- Check for second-order subdomain takeover: [takeover.json](config/takeover.json). (Duh!)
- Collect inline and imported JS code: [javascript.json](config/javascript.json).
- Find where a target hosts static files [cdn.json](config/cdn.json). (S3 buckets, anyone?)
- Collect `` names to build a tailored parameter bruteforcing wordlist: [parameters.json](config/parameters.json).
- Feel free to contribute more ideas!
## References
https://shubs.io/high-frequency-security-bug-hunting-120-days-120-bugs/#secondorder
https://edoverflow.com/2017/broken-link-hijacking/