60 lines
1.9 KiB
Markdown
60 lines
1.9 KiB
Markdown
## Description
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This module will attempt to initiate a TCP/IP connection with ports on the victim machine. It is this done by sending a SYN packet, and if victim replies with a SYN/ACK packet
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that means the port is open. Then the attacker sends a RST packet, and as a result the victim's machine assumes that there is a communication error.
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The attacker now knows the state of port without a full tcp connection. Major benefit of TCP SYN scan is that most logging applications do not log the TCP/RST by default.
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## Options
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**PORTS**
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This is the list of TCP ports to test on each host.
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Formats like `1-3`, `1,2,3`, `1,2-3`, etc. are all supported. Default
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options is to scan `1-10000` ports.
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**TIMEOUT**
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Maximum time to wait for a response. The default value is 500 milliseconds.
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**VERBOSE**
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Gives detailed message about the scan of all the ports. It also shows the
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ports that were closed.
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## Verification Steps
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1. Do: `use auxiliary/scanner/portscan/syn`
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2. Do: `set RHOSTS [IP]`
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3. Do: `set PORTS [PORTS]`
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4. Do: `run`
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5. If any of the TCP ports were open they will be discovered, status will be printed indicating as such.
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## Scenarios
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### Metaspliotable 2
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```
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msf > use auxiliary/scanner/portscan/syn
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msf auxiliary(syn) > set RHOSTS 192.168.45.159
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RHOSTS => 192.168.45.159
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msf auxiliary(syn) > set PORTS 1-10000
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PORTS => 1-10000
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msf auxiliary(syn) > run
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[*] TCP OPEN 192.168.45.159:22
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[*] TCP OPEN 192.168.45.159:23
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[*] TCP OPEN 192.168.45.159:111
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[*] TCP OPEN 192.168.45.159:445
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[*] TCP OPEN 192.168.45.159:512
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[*] TCP OPEN 192.168.45.159:513
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[*] TCP OPEN 192.168.45.159:1099
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[*] TCP OPEN 192.168.45.159:2121
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[*] TCP OPEN 192.168.45.159:3306
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[*] TCP OPEN 192.168.45.159:3632
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[*] TCP OPEN 192.168.45.159:6000
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[*] TCP OPEN 192.168.45.159:6697
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[*] TCP OPEN 192.168.45.159:8009
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[*] Scanned 1 of 1 hosts (100% complete)
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[*] Auxiliary module execution completed
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```
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