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常用正则表达式

发表于 更新于 分类于 
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([0-9]{1,3}[\.]){3}[0-9]{1,3}
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(\<([0-9]|[1-9][0-9]|1[0-9][0-9]|2[0-4][0-9]|25[0-5])\>\.){3}\<([0-9]|[1-9][0-9]|1[0-9][0-9]|2[0-4][0-9]|25[0-5])\>

可攻击

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211.71.232.42
211.71.232.43
211.71.232.54
211.71.232.55
211.71.232.132
211.71.232.133
211.71.232.134
211.71.232.135
211.71.232.136
211.71.232.137
211.71.232.138
211.71.232.139
211.71.232.140
211.71.232.141
211.71.232.142
211.71.232.143
211.71.232.144
211.71.232.147
211.71.232.148
211.71.232.156
211.71.232.157
检测结果
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[-] 211.71.232.42:445     - Host does NOT appear vulnerable.
[-] 211.71.232.54:445     - Host does NOT appear vulnerable.
[*] Scanned  3 of 21 hosts (14% complete)
[+] 211.71.232.132:445    - Host is likely VULNERABLE to MS17-010! - Windows 7 Ultimate 7601 Service Pack 1 x86 (32-bit)
[*] Scanned  5 of 21 hosts (23% complete)
[-] 211.71.232.133:445    - Host does NOT appear vulnerable.
[*] Scanned  7 of 21 hosts (33% complete)
[+] 211.71.232.135:445    - Host is likely VULNERABLE to MS17-010! - Windows Server 2003 3790 Service Pack 2 x86 (32-bit)
[*] Scanned  9 of 21 hosts (42% complete)
[-] 211.71.232.137:445    - Host does NOT appear vulnerable.
[-] 211.71.232.138:445    - Host does NOT appear vulnerable.
[*] Scanned 11 of 21 hosts (52% complete)
[+] 211.71.232.139:445    - Host is likely VULNERABLE to MS17-010! - Windows Server 2003 3790 Service Pack 2 x86 (32-bit)
[*] Scanned 13 of 21 hosts (61% complete)
[+] 211.71.232.141:445    - Host is likely VULNERABLE to MS17-010! - Windows Server 2008 R2 Enterprise 7601 Service Pack 1 x64 (64-bit)
[+] 211.71.232.142:445    - Host is likely VULNERABLE to MS17-010! - Windows Server 2008 R2 Enterprise 7601 Service Pack 1 x64 (64-bit)
[*] Scanned 15 of 21 hosts (71% complete)
[+] 211.71.232.143:445    - Host is likely VULNERABLE to MS17-010! - Windows Server 2008 R2 Enterprise 7601 Service Pack 1 x64 (64-bit)
[*] Scanned 17 of 21 hosts (80% complete)
[+] 211.71.232.147:445    - Host is likely VULNERABLE to MS17-010! - Windows 7 Ultimate 7601 Service Pack 1 x64 (64-bit)
[*] Scanned 19 of 21 hosts (90% complete)
[+] 211.71.232.156:445    - Host is likely VULNERABLE to MS17-010! - Windows Server 2008 R2 Enterprise 7601 Service Pack 1 x64 (64-bit)
[*] Scanned 21 of 21 hosts (100% complete)
[*] Auxiliary module execution completed

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divint3@Divint3:~$ cat 123.txt | grep "MS17-010" | egrep -o  "(\<([0-9]|[1-9][0-9]|1[0-9][0-9]|2[0-4][0-9]|25[0-5])\>\.){3}\<([0-9]|[1-9][0-9]|1[0-9][0-9]|2[0-4][0-9]|25[0-5])\>" | uniq >> 123.txt

211.71.232.135
211.71.232.139
211.71.232.141
211.71.232.142
211.71.232.143
211.71.232.147
211.71.232.156
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#!/bin/bash
for i in $(seq 5)
do
useradd user$i -m 
echo "创建用户成功" 
echo "user$i" | passwd --stdin &> /dev/null
echo "更新密码成功"

userdel -r user$i
echo "删除成功"

done 
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条件表达式
    使用[  ]


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useradd user1 -m &> /dev/null
if($? -ne 0 )
do
    echo "user1" | passwd --stdin user1  
done 


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! id user && useradd -m user || echo "user exists"
 
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逻辑与
    &&
逻辑或 
    ||
或与运算 
    [逻辑式] 逻辑与 [ 逻辑式 ] 逻辑或 [式子]


1 && echo "user exisit" || useradd 
id user1  && useradd user1 || echo "user1 exisit"


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if 判断条件; then 
else 



else 


fi


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#!/bin/bash
COUNT=`cat /etc/passwd | grep "/bin/bash" | wc -l`
echo "$COUNT"
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#!/bin/bash

cat /etc/inittab | grep  ^$ | wc -l
echo $?
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#!/bin/bash
UID1=`cat /etc/passwd | grep $USER | cut -d: -f3`
echo $UID1
恰饭,恰饭