Subfinder Agent Setup for Subdomain Enum

Subfinder Command

Using {{rootDomain}} ReconNess replace {{rootDomain}} to the root domain, for example, if we define that as a root domain adding the Target

subfinder -d '{{rootDomain}}' -nW -silent

Click here to know more about Subfinder

Subfinder Script

using ReconNess.Core.Models;
var match = System.Text.RegularExpressions.Regex.Match(lineInput, @"([^\.\/]+)(\.[^\.\/]+)+(?:\/|$)");
if (match.Success)
return new ScriptOutput { Subdomain = match.Groups[0].Value };
return new ScriptOutput();

Check the Readme on GitHub to know more about the Script.

Subfinder Dockerfile Entry

# -------- Agents dependencies --------
# To allow run subfinder inside the docker
RUN apt-get update && apt-get install -y git wget
RUN wget
RUN tar -C /usr/local -xzf go1.13.4.linux-amd64.tar.gz
RUN echo 'export GOROOT=/usr/local/go' >> ~/.profile
RUN echo 'export GOPATH=$HOME/go' >> ~/.profile
RUN echo 'export PATH=$GOPATH/bin:$GOROOT/bin:$PATH' >> ~/.profile
RUN . ~/.profile && go get -u
# -------- End Agents dependencies --------

Subfinder Command for Docker

cd /root/go/bin/ && ./subfinder -d {{rootDomain}} -nW -silent