Three attack methods bypass Cisco TACACS +
Original article: 3 attacks on cisco tacacs bypassing
In this article, the author introduces three methods to bypass TACACS on Cisco devices.No.1 DoS attacks bypass Cisco TACACS + No. 2 Local cracking PSK bypass Cisco TACACS + No. 3 man-in-the-middle attack
network settings, check the status, only look at the IPV4 subnet (red box), with yellow frame number, copy down (different network this number is not the same, if it is the campus network this number may change in a few months). Also note the last one of the default gateways for IPV4 (typically 1).4. Once again enter the 1 screen, as shown, the third number of the network IP to 3 of the yellow box number.5. Click the NAT setting to change the last number of the gateway IP to the last one seen o
Title: Upload Bypass1, upload attempts, upload jpg, prompted to upload PHP2, upload PHP, the hint said can only support upload jpg,png ...3, on the artifact BP, grab bag4, change the package, here use 00 truncation upload (path truncation)原理:在上传的时候,当文件系统读到0x00的时候,会认为文件已经结束,这就是程序员在对文件上传的路径过滤不严格造成的。Add the path to 1.php%00 (name any, type PHP), and then select%00,ctrl+shift+u (Restore).According to our structure, the file path after uploading becomes:/upload/1.php%00rose.jpg. This bypasses the suf
})/var ip_adDr = Ip_regex.exec (ice.candidate.candidate) [1];
Remove duplicates if (ip_dups[ip_addr] = = undefined) callback (IP_ADDR);
IP_DUPS[IP_ADDR] = true;
}
};
Create a bogus data channel Pc.createdatachannel (""); Create an offer SDP Pc.createoffer (function (result) {//trigger The stun server request Pc.setlocaldescription
(Result, function () {});
}, function () {}); Test:print the IP addresses into the console getips (function (IP) {console.log (IP);});
The ab
flash drive, select the USB drive and click Start. (to destroy the files on the USB flash drive Oh!), the format is finished to pull the U disk, and then it will prompt you to insert, insert a USB stick 1 minutes after it! My USB flash drive is 1G, in HDD format.
②. Making the replacement file. To create a XX.EXE file to replace the original file, but this XX.EXE after the implementation of the request to add users. My first thought was to write a batch file:
@net user Hack 123456/add
@net l
%0a1,2,3/*uyg.php?id=1/**/union%a0select/**/1,pass,3 ' A ' from ' users 'Uyg.php?id= (0) union (SELECT (TABLE_SCHEMA), TABLE_NAME, (0) from (information_schema.tables) have ((Table_schema) Like (0x74657374) (table_name)! = (0x7573657273))) #Uyg.php?id=union (select (version ()))--uyg.php?id=123/*! UNION ALL Select version () */--Uyg.php?id=123/*!or*/1=1;uyg.php?id=1+union+select+1,2,3/*uyg.php?id=1+union+select+1,2,3--uyg.php?id=1+union+select+1,2,3#uyg.php?id=1+union+select+1,2,3;%0 0Uyg.php?i
13000.1 expands the Chinese character area. Including:(1) GBK/3:8140-a0fe. Contains 6,080 CJK kanji in GB 13000.1.(2) GBK/4: aa40-fea0. CJK Chinese characters and supplemental kanji are included in 8,160. CJK Chinese characters in the front, by the UCS code size, the addition of Chinese characters (including radicals and components) in the following, according to the "Kangxi Dictionary" page number/word rank.
As you can see, the two characters in the GBK encoding are a Chinese character,
of values. The decomposition to the subquery is: 1. (Select*from (select User ()) a) get the string [email protected] 2. The expression ' [email protected] ' is converted to 0, and a very large number is obtained after the bitwise complement, which is the largest unsigned integer in MySQL: 3. EXP is unable to calculate E's 1.,844,674,407,370,96e,+19-time, and finally error, but MySQL exposes the provisional results of the previous 1 neutron query. Understand this feature of MySQL, in fact, we
From: http://kyle-sandilands.com /? P = 1995
WAF BYPASS SQL INJECTION
This is such a wide Topic, but today were going to examine WAF bypas and SQL injection What is a WAF? A waf is a Web Application Firewall used to filter certain malicious requests and/or keywords. Is a WAF a safe way to protect my Website? Well, thats a tough question. a waf alone will not protect your website if your code is vulnerable, but a WAF and secure coding will. a waf shosh
1. Use the encoding technology to bypassSuch as urlencode and ASCII code bypass. For example, if or 1 = 1, % 6f % 72% 20% 31% 3D % 31, and test can also be char (101) + char (97) + char (115) + char (116 ).
2. Bypass with spacesFor example, if two spaces replace one space, use tab instead of space, or delete all spaces, suchOr swords = 'swords. Due to the loose nature of MSSQL, we can remove spaces between
0 × 00Preface
After uploading the webshell, you may not be able to execute the command. In this case, we should analyze the principle and come up with a way to bypass it. The defender must also think about a stronger defense based on the bypass method.
0 × 01 php webshellCommand Execution Principle
How does php webshell execute system commands? Let's look for a webshell analysis.
Search for keywords and loc
This time to bring you bypass disable functions execute PHP system command summary, bypass disable functions Execute PHP system commands to note what, the following is the actual case, take a look.
First, why should bypass disable functions
For security reasons, many ops people will disable some of PHP's "dangerous" functions, such as eval, exec, system, etc., w
Tags: params love test style mysq picture install deploy security NiO0x00 PrefaceNgx_lua_waf is a Ngx_lua-based Web application firewall that is easy to use, high performance, and lightweight. The default defense rule is in the wafconf directory, which extracts several core SQL injection defense rules:select.+ (From|limit) (?:( Union (. *?) Select)) (?: from\w+information_schema\w)This side mainly shares three kinds of alternative ideas, Bypass NGX_LU
Gu Feng Yue Ying
I suddenly wondered if we could use any method to bypass the restrictions of SQL injection? I checked on the Internet AND found that most of the methods mentioned are aimed at AND "" AND "=" filtering breakthroughs. Although there are some improvements, there are still some keywords not bypassed, I do not dare to comment on the effect of the above filter because I do not often intrude into the website, but it is certain that the effec
small capacitance near the chip, as to how big? How much do you put? HowYou put it? The issue of the elimination of the article many, but relatively scattered in some of the predecessors of the masterpiece. My humbleTry to use the merely method to put a few questions together, hoping to deepen the understanding of the problem;Unfortunately, these are very helpful to your study and work, and I am honored to have a good fart.First of all, I would like to introduce two common simple concepts.What
SummaryThank you for your support. after hard work, the author has reached the third level, which is called "command execution ". I don't know whether the author's description is clear or the SAE's understanding is biased. We didn't directly communicate with each other. I just wrote an article and handed it over to the other side for "Review" first ", it was published only after the review was passed. All communication is limited to the article itself. This communication obstacle is the beginnin
Tags: blank from URL filter rom let test variable tarSuddenly wondering if we can get around the limitations of SQL injection in any way? To the online survey, the methods mentioned are mostly for and and "'" and "=" Number filter breakthrough, although a bit of progress, but there are some keywords do not bypass, because I do not often invade the site so I do not dare to comment on the effect of the above filter, but it is certain that the effect wil
This article mainly introduces about PHP through bypass disable functions Execution System command method Summary, have certain reference value, now share to everybody, need friend can refer to
First, why should bypass disable functions
For security reasons, many ops people will disable some of PHP's "dangerous" functions, such as eval, exec, system, etc., write it in the php.ini configuration file, what w
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