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}}' -silent

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 go1.16.linux-amd64.tar.gz
RUN export GOPATH=$HOME/go
RUN export PATH=$PATH:/usr/local/go/bin:$GOPATH/bin
RUN GO111MODULE=on /usr/local/go/bin/go get -v
# -------- End Agents dependencies --------

Subfinder Command for Docker

/root/go/bin/subfinder -d {{rootDomain}} -silent