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added documentation for time-limit

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2020-12-11 21:08:48 -06:00
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README.md
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@@ -85,8 +85,10 @@ This attack is also known as Predictable Resource Location, File Enumeration, Di
- [Filter Response by Status Code (new in `v1.3.0`)](#filter-response-by-status-code--new-in-v130)
- [Pause an Active Scan (new in `v1.4.0`)](#pause-an-active-scan-new-in-v140)
- [Replay Responses to a Proxy based on Status Code (new in `v1.5.0`)](#replay-responses-to-a-proxy-based-on-status-code-new-in-v150)
- [Filter Response by Word Count & Line Count (new in `v1.6.0`)](#filter-response-by-word-count--line-count--new-in-v160)
- [Filter Response Using a Regular Expression (new in `v1.8.0`)](#filter-response-using-a-regular-expression-new-in-v180)
- [Stop and Resume Scans (save scan's state to disk) (new in `v1.9.0`)](#stop-and-resume-scans---resume-from-file-new-in-v190)
- [Enforce a Time Limit on Your Scan (new in `v1.10.0`)](#enforce-a-time-limit-on-your-scan-new-in-v1100)
- [Comparison w/ Similar Tools](#-comparison-w-similar-tools)
- [Common Problems/Issues (FAQ)](#-common-problemsissues-faq)
- [No file descriptors available](#no-file-descriptors-available)
@@ -351,6 +353,7 @@ A pre-made configuration file with examples of all available settings can be fou
# filter_line_count = [35, 36]
# queries = [["name","value"], ["rick", "astley"]]
# save_state = false
# time_limit = 10m
# headers can be specified on multiple lines or as an inline table
#
@@ -403,8 +406,8 @@ OPTIONS:
-o, --output <FILE> Output file to write results to (use w/ --json for JSON entries)
-p, --proxy <PROXY> Proxy to use for requests (ex: http(s)://host:port, socks5://host:port)
-Q, --query <QUERY>... Specify URL query parameters (ex: -Q token=stuff -Q secret=key)
-R, --replay-codes <REPLAY_CODE>... Status Codes to send through a Replay Proxy when found (default: --status
-codes value)
-R, --replay-codes <REPLAY_CODE>... Status Codes to send through a Replay Proxy when found (default: --status-
codes value)
-P, --replay-proxy <REPLAY_PROXY> Send only unfiltered requests through a Replay Proxy, instead of all
requests
--resume-from <STATE_FILE> State file from which to resume a partially complete scan (ex. --resume-from
@@ -413,6 +416,7 @@ OPTIONS:
-s, --status-codes <STATUS_CODE>... Status Codes to include (allow list) (default: 200 204 301 302 307 308 401
403 405)
-t, --threads <THREADS> Number of concurrent threads (default: 50)
--time-limit <TIME_SPEC> Limit total run time of all scans (ex: --time-limit 10m)
-T, --timeout <SECONDS> Number of seconds before a request times out (default: 7)
-u, --url <URL>... The target URL(s) (required, unless --stdin used)
-a, --user-agent <USER_AGENT> Sets the User-Agent (default: feroxbuster/VERSION)
@@ -541,6 +545,22 @@ Of note: this means that for every response that matches your replay criteria, y
![replay-proxy-demo](img/replay-proxy-demo.gif)
### Filter Response by Word Count & Line Count (new in `v1.6.0`)
In addition to filtering on the size of a response, version 1.6.0 added the ability to filter out responses based on the number of lines and/or words contained within the response body. This change drove a change to the information displayed to the user as well. This section will detail the new information and how to make use of it with the new filters provided.
Example output:
```
200 10l 212w 38437c https://example-site.com/index.html
```
There are five columns of output above:
- column 1: status code - can be filtered with `-C|--filter-status`
- column 2: number of lines - can be filtered with `-N|--filter-lines`
- column 3: number of words - can be filtered with `-W|--filter-words`
- column 4: number of bytes (overall size) - can be filtered with `-S|--filter-size`
- column 5: url to discovered resource
### Filter Response Using a Regular Expression (new in `v1.8.0`)
Version 1.3.0 included an overhaul to the filtering system which will allow for a wide array of filters to be added
@@ -615,6 +635,20 @@ In order to prevent state file creation when `Ctrl+C` is pressed, you can simply
save_state = false
```
### Enforce a Time Limit on Your Scan (new in `v1.10.0`)
Version 1.10.0 adds the ability to set a maximum runtime, or time limit, on your scan. The usage is pretty simple: a number followed directly by a single character representing seconds, minutes, hours, or days. `feroxbuster` refers to this combination as a time_spec.
Examples of possible time_specs:
- `30s` - 30 seconds
- `20m` - 20 minutes
- `1h` - 1 hour
- `1d` - 1 day (why??)
A valid time_spec can be passed to `--time-limit` in order to force a shutdown after the given time has elapsed.
![time-limit](img/time-limit.gif)
## 🧐 Comparison w/ Similar Tools
There are quite a few similar tools for forced browsing/content discovery. Burp Suite Pro, Dirb, Dirbuster, etc...
@@ -633,24 +667,32 @@ a few of the use-cases in which feroxbuster may be a better fit:
- You want **recursion** along with some other thing mentioned above (ffuf also does recursion)
- You want a **configuration file** option for overriding built-in default values for your scans
| | feroxbuster | gobuster | ffuf |
|------------------------------------------------------------------|---|---|---|
| fast | ✔ | ✔ | ✔ |
| easy to use | ✔ | ✔ | |
| filter out responses by status code (new in `v1.3.0`) | ✔ | ✔ | ✔ |
| allows recursion | ✔ | | ✔ |
| can specify query parameters | ✔ | | ✔ |
| SOCKS proxy support | ✔ | | |
| extracts links from response body to increase scan coverage | ✔ | | |
| multiple target scan (via stdin or multiple -u) | ✔ | | ✔ |
| configuration file for default value override | ✔ | | ✔ |
| can accept urls via STDIN as part of a pipeline | ✔ | | ✔ |
| can accept wordlists via STDIN | | ✔ | ✔ |
| filter based on response size, wordcount, and linecount | ✔ | | ✔ |
| auto-filter wildcard responses | ✔ | | ✔ |
| performs other scans (vhost, dns, etc) | | ✔ | ✔ |
| time delay / rate limiting | | ✔ | ✔ |
| **huge** number of other options | | | ✔ |
| | feroxbuster | gobuster | ffuf |
|------------------------------------------------------------------------------|---|---|---|
| fast | ✔ | ✔ | ✔ |
| easy to use | ✔ | ✔ | |
| allows recursion | ✔ | | ✔ |
| can specify query parameters | ✔ | | ✔ |
| SOCKS proxy support | ✔ | | |
| multiple target scan (via stdin or multiple -u) | ✔ | | ✔ |
| configuration file for default value override | ✔ | | ✔ |
| can accept urls via STDIN as part of a pipeline | ✔ | | ✔ |
| can accept wordlists via STDIN | | ✔ | ✔ |
| filter based on response size, wordcount, and linecount | ✔ | | ✔ |
| auto-filter wildcard responses | ✔ | | ✔ |
| performs other scans (vhost, dns, etc) | | ✔ | ✔ |
| time delay / rate limiting | | ✔ | ✔ |
| extracts links from response body to increase scan coverage (`v1.1.0`) | ✔ | | |
| limit number of concurrent recursive scans (`v1.2.0`) | ✔ | | |
| filter out responses by status code (`v1.3.0`) | ✔ | ✔ | ✔ |
| interactive pause and resume of active scan (`v1.4.0`) | ✔ | | |
| replay only matched requests to a proxy (`v1.5.0`) | ✔ | | ✔ |
| filter out responses by line & word count (`v1.6.0`) | ✔ | | ✔ |
| json output (ffuf supports other formats as well) (`v1.7.0`) | ✔ | | ✔ |
| filter out responses by regular expression (`v1.8.0`) | ✔ | | ✔ |
| save scan's state to disk (can pick up where it left off) (`v1.9.0`) | ✔ | | |
| maximum run time limit (`v1.10.0`) | ✔ | | ✔ |
| **huge** number of other options | | | ✔ |
Of note, there's another written-in-rust content discovery tool, [rustbuster](https://github.com/phra/rustbuster). I
came across rustbuster when I was naming my tool (😢). I don't have any experience using it, but it appears to
@@ -736,4 +778,8 @@ sudo sysctl net.ipv4.tcp_tw_reuse=1
![small-term](img/small-term.png)
If you can, simply make the terminal wider and rerun. If you're unable to make your terminal wider
consider using `-q` to suppress the progress bars.
consider using `-q` to suppress the progress bars.
### What do each of the numbers beside the URL mean?
Please refer to [this section](#filter-response-by-word-count--line-count--new-in-v160) where each number's meaning and how to use it to filter responses is discussed.

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