Monday, 5 June 2017
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Reconnoitre: A Multi-Threaded Information Gathering Tool

Reconnoitre: A Multi-Threaded Information Gathering Tool


Reconnoitre: A Multi-Threaded Information Gathering Tool



A security tool for multi-threaded information gathering and service enumeration whilst building directory structures to store results along with writing out recommendations for further testing.


A reconnaissance tool made for the OSCP labs to automate information gathering and service enumeration whilst creating a directory structure to store results, findings and exploits used for each host, recommended commands to execute and directory structures for storing loot and flags.

Usage

This tool can be used and copied for personal use freely however attribution and credit should be offered to Mike Czumak who originally started the process of automating this work.

Argument             Description
-h, --help Display help message and exit
-t TARGET_HOSTS Set either a target range of addresses or a single host to target. May also be a file containing hosts.
-o OUTPUT_DIRECTORY Set the target directory where results should be written.
-w WORDLIST Optionally specify your own wordlist to use for pre-compiled commands, or executed attacks.
--dns DNS_SERVER Optionally specify a DNS server to use with a service scan.
--pingsweep Write a new target.txt file in the OUTPUT_DIRECTORY by performing a ping sweep and discovering live hosts.
--dnssweep Find DNS servers from the list of target(s).
--snmpsweep Find hosts responding to SNMP requests from the list of target(s).
--services Perform a service scan over the target(s) and write recommendations for further commands to execute.
--snmpwalk SNMP walk target hosts and save results.
--hostnames Attempt to discover target hostnames and write to hostnames.txt.
--quiet Supress banner and headers and limit feedback to grepable results.
--execute Execute shell commands from recommendations as they are discovered. Likely to lead to very long execution times depending on the wordlist being used and discovered vectors.
--simple_exec Execute non-brute forcing shell comamnds only commands as they are discovered. Likely to lead to very long execution times depending on the wordlist being used and discovered vectors.
--quick Move to the next target after performing a quick scan and writing first-round recommendations.

Usage Examples

Note that these are some examples to give you insight into potential use cases for this tool. Command lines can be added or removed based on what you wish to acomplish with your scan.

Scan a single host, create a file structure and discover services

python ./reconnoitre.py -t 192.168.1.5 -o /root/Documents/labs/ --services

An example output would look like:

[email protected]:~/Documents/tools/reconnoitre/reconnoitre# python ./reconnoitre.py -t 192.168.1.5 --services -o /root/Documents/labs/
  __
|"""\-=  RECONNOITRE
(____)      An OSCP scanner

[#] Performing service scans
[*] Loaded single target: 192.168.1.5
[+] Creating directory structure for 192.168.1.5
   [>] Creating scans directory at: /root/Documents/labs/192.168.1.5/scans
   [>] Creating exploit directory at: /root/Documents/labs/192.168.1.5/exploit
   [>] Creating loot directory at: /root/Documents/labs/192.168.1.5/loot
   [>] Creating proof file at: /root/Documents/labs/192.168.1.5/proof.txt
[+] Starting quick nmap scan for 192.168.1.5
[+] Writing findings for 192.168.1.5
   [>] Found HTTP service on 192.168.1.5:80
   [>] Found MS SMB service on 192.168.1.5:445
   [>] Found RDP service on 192.168.1.5:3389
[*] TCP quick scan completed for 192.168.1.5
[+] Starting detailed TCP/UDP nmap scans for 192.168.1.5
[+] Writing findings for 192.168.1.5
   [>] Found MS SMB service on 192.168.1.5:445
   [>] Found RDP service on 192.168.1.5:3389
   [>] Found HTTP service on 192.168.1.5:80
[*] TCP/UDP Nmap scans completed for 192.168.1.5

Which would also write the following recommendations file in the scans folder for each target:

[*] Found HTTP service on 192.168.1.50:80
   [>] Use nikto & dirb / dirbuster for service enumeration, e.g
      [=] nikto -h 192.168.1.50 -p 80 > /root/Documents/labs/192.168.1.50/scans/192.168.1.50_nikto.txt
      [=] dirb http://192.168.1.50:80/ -o /root/Documents/labs/192.168.1.50/scans/192.168.1.50_dirb.txt -r -S -x ./dirb-extensions/php.ext
      [=] java -jar /usr/share/dirbuster/DirBuster-1.0-RC1.jar -H -l /usr/share/dirbuster/wordlists/directory-list-2.3-medium.txt -r /root/Documents/labs/192.168.1.50/scans/192.168.1.50_dirbuster.txt -u http://192.168.1.50:80/
      [=] gobuster -w /usr/share/seclists/Discovery/Web_Content/common.txt -u http://192.168.1.50:80/ -s '200,204,301,302,307,403,500' -e > /root/Documents/labs/192.168.1.50/scans/192.168.1.50_gobuster_common.txt -t 50 
      [=] gobuster -w /usr/share/seclists/Discovery/Web_Content/cgis.txt -u http://192.168.1.50:80/ -s '200,204,301,307,403,500' -e > /root/Documents/labs/192.168.1.50/scans/192.168.1.50_gobuster_cgis.txt -t 50 
   [>] Use curl to retreive web headers and find host information, e.g
      [=] curl -i 192.168.1.50
      [=] curl -i 192.168.1.50/robots.txt -s | html2text
[*] Found MS SMB service on 192.168.1.5:445
   [>] Use nmap scripts or enum4linux for further enumeration, e.g
      [=] nmap -sV -Pn -vv -p445 --script="smb-* -oN '/root/Documents/labs/192.168.1.5/nmap/192.168.1.5_smb.nmap' -oX '/root/Documents/labs/192.168.1.5/scans/192.168.1.5_smb_nmap_scan_import.xml' 192.168.1.5
      [=] enum4linux 192.168.1.5
[*] Found RDP service on 192.168.1.5:3389
   [>] Use ncrackpassword cracking, e.g
      [=] ncrack -vv --user administrator -P /root/rockyou.txt rdp://192.168.1.5

Discover live hosts and hostnames within a range

python ./reconnoitre.py -t 192.168.1.1-252 -o /root/Documents/testing/ --pingsweep --hostnames

Discover live hosts within a range and then do a quick probe for services

python ./reconnoitre.py -t 192.168.1.1-252 -o /root/Documents/testing/ --pingsweep --services --quick

This will scan all services within a target range to create a file structure of live hosts as well as write recommendations for other commands to be executed based on the services discovered on these machines. Removing --quick will do a further probe but will greatly lengthen execution times.

Discover live hosts within a range and then do probe all ports (UDP and TCP) for services

python ./reconnoitre.py -t 192.168.1.1-252 -o /root/Documents/testing/ --pingsweep --services

Requirements

This bare requirement for host and service scanning for this tool is to have both nbtscan and nmap installed. If you are not using host scanning and only wish to perform a ping sweep and service scan you can get away with only installing nmap. 

The outputted findings.txt will often recommend additional tools which you may not have available in your distribution if not using Kali Linux. All requirements and recommendations are native to Kali Linux which is the recommended (although not required) distribution for using this tool.

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