Curl

Installation

• Denian-basierte Systeme
• apt install curl
• Arch-basierte Systeme
• pacman -S curl

nützliche Webseiten

öffentliche IP-Adresse herausfinden

• curl -6 ifconfig.co

xxxx:xxxx:xxxx:xxxx:xxxx:xxxx:xxxx:xxxx

• curl -4 ipinfo.io

{
  "ip": "xxx.xxx.xxx.xxx.xxx",
  "city": "Frankfurt am Main",
  "region": "Hesse",
  "country": "DE",
  "loc": "Breitengrad, Längengrad",
  "org": "Organisation",
  "postal": "60306",
  "timezone": "Europe/Berlin",
  "readme": "https://ipinfo.io/missingauth"
}

Cheat Sheet für Kommandozeilenbefehle

• curl cheat.sh/find

find . -iname '*.jpg'

# Find directories.
find . -type d

# Find files. Specifically files; not directories, links, FIFOs, etc.
find . -type f

# Find files set to the provided octal mode (permissions).
find . -type f -perm 777
...

• curl cheat.sh/nmap

# Single target scan:
nmap [target]

# Scan from a list of targets:
nmap -iL [list.txt]

# Scan port for all available A records
# (useful when multiple A records are returned by the DNS server)
nmap --script resolveall --script-args newtargets,resolveall.hosts=[target] -p [port]

# iPv6:
nmap -6 [target]

# OS detection:
nmap -O --osscan_guess [target]

# Save output to text file:
nmap -oN [output.txt] [target]
...

• curl cheat.sh/tcpdump

# Intercepts all packets on eth0
tcpdump -i eth0

# Intercepts all packets from/to 173.194.40.120
tcpdump host 173.194.40.120

# Intercepts all packets on all interfaces from / to 173.194.40.120 port 80
# -nn => Disables name resolution for IP addresses and port numbers.
tcpdump -nn -i any host 173.194.40.120 and port 80

Links

• https://www.ostechnix.com/a-list-of-useful-console-services-for-linux-users/?fbclid=IwAR3m94pZ5MAApsozvsYRP8utXROhb0tdFpLWqJuzLjdlUO8XlWxqAHOYkCQ