Scapy Port Scanner - 在命令行中设置详细模式
Scapy Port Scanner - Set verbose mode in command line
我有以下扫描主机端口的脚本。
详细模式最初设置为关闭 verbose=0
。
我希望用户能够在命令行中添加“-verbose”以启用详细信息。
应该怎么做?
import logging
logging.getLogger("scapy.runtime").setLevel(logging.ERROR)
import sys
from scapy.all import *
# Define end host and TCP port range
hostInput = input("Enter a remote host to scan: ")
host = socket.gethostbyname(hostInput)
port_range = [21,22,23,25,53,80,110,135,137,138,139,443,1433,1434,8080]
# Send SYN with random Src Port for each Dst port
for dst_port in port_range:
src_port = random.randint(1025,65534)
resp = sr1(
IP(dst=host)/TCP(sport=src_port,dport=dst_port,flags="S"),timeout=1,
verbose=0,
)
if resp is None:
print(f"{host}:{dst_port} is filtered (silently dropped).")
elif(resp.haslayer(TCP)):
if(resp.getlayer(TCP).flags == 0x12):
# Send a gratuitous RST to close the connection
send_rst = sr(
IP(dst=host)/TCP(sport=src_port,dport=dst_port,flags='R'),
timeout=1,
verbose=1,
)
print(f"{host}:{dst_port} is open.")
elif (resp.getlayer(TCP).flags == 0x14):
print(f"{host}:{dst_port} is closed.")
elif(resp.haslayer(ICMP)):
if(
int(resp.getlayer(ICMP).type) == 3 and
int(resp.getlayer(ICMP).code) in [1,2,3,9,10,13]
):
print(f"{host}:{dst_port} is filtered (silently dropped).")
Argparse 模块使编写用户友好的命令行界面变得容易。该程序定义了它需要的参数,argparse 将找出如何从 sys.argv 中解析这些参数。 argparse 模块还会自动生成帮助和用法消息,并在用户为程序提供无效参数时发出错误消息。
在 terminal/cmd 中 运行 的示例:
python3 logger.py --remote_host 127.0.0.1 --verbose 0
import logging
logging.getLogger("scapy.runtime").setLevel(logging.ERROR)
import sys
from scapy.all import *
import argparse
parser = argparse.ArgumentParser()
parser.add_argument("--remote_host")
parser.add_argument("--verbose")
args = parser.parse_args()
# Define end host and TCP port range
hostInput = args.remote_host
host = socket.gethostbyname(hostInput)
port_range = [21,22,23,25,53,80,110,135,137,138,139,443,1433,1434,8080]
# Send SYN with random Src Port for each Dst port
for dst_port in port_range:
src_port = random.randint(1025,65534)
resp = sr1(
IP(dst=host)/TCP(sport=src_port,dport=dst_port,flags="S"),timeout=1,
verbose=int(args.verbose),
)
if resp is None:
print(f"{host}:{dst_port} is filtered (silently dropped).")
elif(resp.haslayer(TCP)):
if(resp.getlayer(TCP).flags == 0x12):
# Send a gratuitous RST to close the connection
send_rst = sr(
IP(dst=host)/TCP(sport=src_port,dport=dst_port,flags='R'),
timeout=1,
verbose=int(args.verbose),
)
print(f"{host}:{dst_port} is open.")
elif (resp.getlayer(TCP).flags == 0x14):
print(f"{host}:{dst_port} is closed.")
elif(resp.haslayer(ICMP)):
if(
int(resp.getlayer(ICMP).type) == 3 and
int(resp.getlayer(ICMP).code) in [1,2,3,9,10,13]
):
print(f"{host}:{dst_port} is filtered (silently dropped).")
我有以下扫描主机端口的脚本。
详细模式最初设置为关闭 verbose=0
。
我希望用户能够在命令行中添加“-verbose”以启用详细信息。
应该怎么做?
import logging
logging.getLogger("scapy.runtime").setLevel(logging.ERROR)
import sys
from scapy.all import *
# Define end host and TCP port range
hostInput = input("Enter a remote host to scan: ")
host = socket.gethostbyname(hostInput)
port_range = [21,22,23,25,53,80,110,135,137,138,139,443,1433,1434,8080]
# Send SYN with random Src Port for each Dst port
for dst_port in port_range:
src_port = random.randint(1025,65534)
resp = sr1(
IP(dst=host)/TCP(sport=src_port,dport=dst_port,flags="S"),timeout=1,
verbose=0,
)
if resp is None:
print(f"{host}:{dst_port} is filtered (silently dropped).")
elif(resp.haslayer(TCP)):
if(resp.getlayer(TCP).flags == 0x12):
# Send a gratuitous RST to close the connection
send_rst = sr(
IP(dst=host)/TCP(sport=src_port,dport=dst_port,flags='R'),
timeout=1,
verbose=1,
)
print(f"{host}:{dst_port} is open.")
elif (resp.getlayer(TCP).flags == 0x14):
print(f"{host}:{dst_port} is closed.")
elif(resp.haslayer(ICMP)):
if(
int(resp.getlayer(ICMP).type) == 3 and
int(resp.getlayer(ICMP).code) in [1,2,3,9,10,13]
):
print(f"{host}:{dst_port} is filtered (silently dropped).")
Argparse 模块使编写用户友好的命令行界面变得容易。该程序定义了它需要的参数,argparse 将找出如何从 sys.argv 中解析这些参数。 argparse 模块还会自动生成帮助和用法消息,并在用户为程序提供无效参数时发出错误消息。
在 terminal/cmd 中 运行 的示例:
python3 logger.py --remote_host 127.0.0.1 --verbose 0
import logging
logging.getLogger("scapy.runtime").setLevel(logging.ERROR)
import sys
from scapy.all import *
import argparse
parser = argparse.ArgumentParser()
parser.add_argument("--remote_host")
parser.add_argument("--verbose")
args = parser.parse_args()
# Define end host and TCP port range
hostInput = args.remote_host
host = socket.gethostbyname(hostInput)
port_range = [21,22,23,25,53,80,110,135,137,138,139,443,1433,1434,8080]
# Send SYN with random Src Port for each Dst port
for dst_port in port_range:
src_port = random.randint(1025,65534)
resp = sr1(
IP(dst=host)/TCP(sport=src_port,dport=dst_port,flags="S"),timeout=1,
verbose=int(args.verbose),
)
if resp is None:
print(f"{host}:{dst_port} is filtered (silently dropped).")
elif(resp.haslayer(TCP)):
if(resp.getlayer(TCP).flags == 0x12):
# Send a gratuitous RST to close the connection
send_rst = sr(
IP(dst=host)/TCP(sport=src_port,dport=dst_port,flags='R'),
timeout=1,
verbose=int(args.verbose),
)
print(f"{host}:{dst_port} is open.")
elif (resp.getlayer(TCP).flags == 0x14):
print(f"{host}:{dst_port} is closed.")
elif(resp.haslayer(ICMP)):
if(
int(resp.getlayer(ICMP).type) == 3 and
int(resp.getlayer(ICMP).code) in [1,2,3,9,10,13]
):
print(f"{host}:{dst_port} is filtered (silently dropped).")