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\author{ironclad}
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  /Title (sql-injection-attacks-concepts-tools-techniques.pdf)
  /Creator (Cheatography)
  /Author (ironclad)
  /Subject (SQL Injection Attacks: Concepts, Tools, Techniques Cheat Sheet)
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        \hspace*{-6pt}\includegraphics[width=5.8cm]{/web/www.cheatography.com/public/images/cheatography_logo.pdf}}
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    \vspace{-2pt}\large{\bf{\textcolor{DarkBackground}{\textrm{SQL Injection Attacks: Concepts, Tools, Techniques Cheat Sheet}}}} \\
    \normalsize{by \textcolor{DarkBackground}{ironclad} via \textcolor{DarkBackground}{\uline{cheatography.com/36781/cs/11566/}}}
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  \mymulticolumn{2}{p{5.377cm}}{\bf\textcolor{white}{Cheatographer}}  \\
  \vspace{-2pt}ironclad \\
  \uline{cheatography.com/ironclad} \\
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  \mymulticolumn{1}{p{5.377cm}}{\bf\textcolor{white}{Cheat Sheet}}  \\
   \vspace{-2pt}Not Yet Published.\\
   Updated 24th April, 2017.\\
   Page {\thepage} of \pageref{LastPage}.
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  Measure your website readability!\\
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\begin{document}
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\begin{multicols*}{2}

\begin{tabularx}{8.4cm}{X}
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\mymulticolumn{1}{x{8.4cm}}{\bf\textcolor{white}{Description}}  \tn
\SetRowColor{white}
\mymulticolumn{1}{x{8.4cm}}{SQL Injection is the act of inserting data into an SQL query through the input data given to an application by a client.% Row Count 3 (+ 3)
} \tn 
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\par\addvspace{1.3em}

\begin{tabularx}{8.4cm}{X}
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\mymulticolumn{1}{x{8.4cm}}{\bf\textcolor{white}{Causes}}  \tn
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\mymulticolumn{1}{x{8.4cm}}{Lack of input validation} \tn 
% Row Count 1 (+ 1)
% Row 1
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\mymulticolumn{1}{x{8.4cm}}{Usage of untrusted code} \tn 
% Row Count 2 (+ 1)
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\mymulticolumn{1}{x{8.4cm}}{Lack of adherence to best practices} \tn 
% Row Count 3 (+ 1)
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\mymulticolumn{1}{x{8.4cm}}{Server configuration issues} \tn 
% Row Count 4 (+ 1)
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\mymulticolumn{1}{x{8.4cm}}{Client-provided information used in query} \tn 
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\mymulticolumn{1}{x{8.4cm}}{\bf\textcolor{white}{Structure of an SQL Query}}  \tn
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\mymulticolumn{1}{x{8.4cm}}{select \textless{}col\textgreater{} from \textless{}table\textgreater{} where \textless{}field\textgreater{} = \textless{}value\textgreater{};} \tn 
% Row Count 1 (+ 1)
% Row 1
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\mymulticolumn{1}{x{8.4cm}}{In this case: col, table, field, and value are all places where injection could happen.} \tn 
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\par\addvspace{1.3em}

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\mymulticolumn{2}{x{8.4cm}}{\bf\textcolor{white}{Escaping the Intent of the Query}}  \tn
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\mymulticolumn{2}{x{8.4cm}}{SELECT name, pass FROM users WHERE user\_id = '" + {\bf{\$id}} + "'";} \tn 
% Row Count 2 (+ 2)
% Row 1
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{\bf{Input}} & {\bf{Result}} \tn 
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\%' or '1'='1 & All names and passwords \tn 
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1' UNION SELECT 1, @@version -{}- - & A name and MySQL Version \tn 
% Row Count 7 (+ 2)
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1' UNION SELECT distinct(table\_schema),null FROM \seqsplit{information\_schema.tables} & All Schema Information \tn 
% Row Count 11 (+ 4)
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\mymulticolumn{2}{x{8.4cm}}{\bf\textcolor{white}{State of the Art - Latest Techniques}}  \tn
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SQL Injection through Ads & Forces compromised server to serve the attacker's ads \tn 
% Row Count 3 (+ 3)
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Chaining of Attacks & Utilizing techniques such as camel-casing, escape characters and character codes to get around protections \tn 
% Row Count 8 (+ 5)
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Information Schema & Dumping the Information Schema to learn more about the database \tn 
% Row Count 11 (+ 3)
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Multi-Line Comments & Using multi-line comments (/**/) to bypass defensive techniques \tn 
% Row Count 14 (+ 3)
% Row 4
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Obfuscation & Utilizing obfuscation to mask attacks \tn 
% Row Count 16 (+ 2)
% Row 5
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SQL Union & Using SQL UNION along with attacks above to mask attacks \tn 
% Row Count 19 (+ 3)
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\begin{tabularx}{8.4cm}{X}
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\mymulticolumn{1}{x{8.4cm}}{\bf\textcolor{white}{Successful Attacks May}}  \tn
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\mymulticolumn{1}{x{8.4cm}}{Modify Database Data} \tn 
% Row Count 1 (+ 1)
% Row 1
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\mymulticolumn{1}{x{8.4cm}}{Recover Files Present on the Database System} \tn 
% Row Count 4 (+ 1)
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\mymulticolumn{1}{x{8.4cm}}{Issue Commands to the Database System's OS} \tn 
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\mymulticolumn{1}{x{8.4cm}}{\bf\textcolor{white}{Why?}}  \tn
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\mymulticolumn{1}{x{8.4cm}}{In many applications, direction access to the database is the easiest means of access.  Thus, a simple form-based authentication or web query may be one step away from interacting with a database.  With this knowledge in hand, a skilled attacker could use cleverly crafted SQL queries to gain root level access and further attack the network.% Row Count 7 (+ 7)
} \tn 
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\mymulticolumn{2}{x{8.4cm}}{\bf\textcolor{white}{Modern Injection Tools}}  \tn
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Havij & User-friendly GUI for automatic SQL Injection \tn 
% Row Count 2 (+ 2)
% Row 1
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sqlmap & Open source penetration testing tool \tn 
% Row Count 4 (+ 2)
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Google dorks & Advance web searches that are used to fingerprint web servers \tn 
% Row Count 7 (+ 3)
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BSQL Hacker & Made for Blind SQL Injection \tn 
% Row Count 9 (+ 2)
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Mole & Provide the tool with a URL and it does the rest \tn 
% Row Count 11 (+ 2)
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\mymulticolumn{2}{x{8.4cm}}{\bf\textcolor{white}{Mitigation Techniques}}  \tn
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Input Validation & Make sure all client-supplied information is sanitized \tn 
% Row Count 3 (+ 3)
% Row 1
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Use Parameterized Queries & Separates the developer's SQL query from client input \tn 
% Row Count 6 (+ 3)
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Stored Procedures & Store SQL queries in the database itself and only provide sanitized input \tn 
% Row Count 10 (+ 4)
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Whitelist Input Validation & Only accept the information you want, make sure it doesn't affect query intent \tn 
% Row Count 14 (+ 4)
% Row 4
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\seqsplit{Front-end/Back-end} Design & Don't let the application interact directly with the database \tn 
% Row Count 17 (+ 3)
% Row 5
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Least Privilege & In the event of a compromise, limit the damage \tn 
% Row Count 19 (+ 2)
% Row 6
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Patch Your Systems & Keep your servers up to date \tn 
% Row Count 21 (+ 2)
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Logging & Keep a log of all queries, preferable on a remote server \tn 
% Row Count 24 (+ 3)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
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\par\addvspace{1.3em}


% That's all folks
\end{multicols*}

\end{document}