\documentclass[10pt,a4paper]{article} % Packages \usepackage{fancyhdr} % For header and footer \usepackage{multicol} % Allows multicols in tables \usepackage{tabularx} % Intelligent column widths \usepackage{tabulary} % Used in header and footer \usepackage{hhline} % Border under tables \usepackage{graphicx} % For images \usepackage{xcolor} % For hex colours %\usepackage[utf8x]{inputenc} % For unicode character support \usepackage[T1]{fontenc} % Without this we get weird character replacements \usepackage{colortbl} % For coloured tables \usepackage{setspace} % For line height \usepackage{lastpage} % Needed for total page number \usepackage{seqsplit} % Splits long words. %\usepackage{opensans} % Can't make this work so far. Shame. Would be lovely. \usepackage[normalem]{ulem} % For underlining links % Most of the following are not required for the majority % of cheat sheets but are needed for some symbol support. \usepackage{amsmath} % Symbols \usepackage{MnSymbol} % Symbols \usepackage{wasysym} % Symbols %\usepackage[english,german,french,spanish,italian]{babel} % Languages % Document Info \author{FFY00} \pdfinfo{ /Title (assembly-for-reverse-engeneering.pdf) /Creator (Cheatography) /Author (FFY00) /Subject (Assembly for Reverse Engeneering Cheat Sheet) } % Lengths and widths \addtolength{\textwidth}{6cm} \addtolength{\textheight}{-1cm} \addtolength{\hoffset}{-3cm} \addtolength{\voffset}{-2cm} \setlength{\tabcolsep}{0.2cm} % Space between columns \setlength{\headsep}{-12pt} % Reduce space between header and content \setlength{\headheight}{85pt} % If less, LaTeX automatically increases it \renewcommand{\footrulewidth}{0pt} % Remove footer line \renewcommand{\headrulewidth}{0pt} % Remove header line \renewcommand{\seqinsert}{\ifmmode\allowbreak\else\-\fi} % Hyphens in seqsplit % This two commands together give roughly % the right line height in the tables \renewcommand{\arraystretch}{1.3} \onehalfspacing % Commands \newcommand{\SetRowColor}[1]{\noalign{\gdef\RowColorName{#1}}\rowcolor{\RowColorName}} % Shortcut for row colour \newcommand{\mymulticolumn}[3]{\multicolumn{#1}{>{\columncolor{\RowColorName}}#2}{#3}} % For coloured multi-cols \newcolumntype{x}[1]{>{\raggedright}p{#1}} % New column types for ragged-right paragraph columns \newcommand{\tn}{\tabularnewline} % Required as custom column type in use % Font and Colours \definecolor{HeadBackground}{HTML}{333333} \definecolor{FootBackground}{HTML}{666666} \definecolor{TextColor}{HTML}{333333} \definecolor{DarkBackground}{HTML}{248F24} \definecolor{LightBackground}{HTML}{F1F8F1} \renewcommand{\familydefault}{\sfdefault} \color{TextColor} % Header and Footer \pagestyle{fancy} \fancyhead{} % Set header to blank \fancyfoot{} % Set footer to blank \fancyhead[L]{ \noindent \begin{multicols}{3} \begin{tabulary}{5.8cm}{C} \SetRowColor{DarkBackground} \vspace{-7pt} {\parbox{\dimexpr\textwidth-2\fboxsep\relax}{\noindent \hspace*{-6pt}\includegraphics[width=5.8cm]{/web/www.cheatography.com/public/images/cheatography_logo.pdf}} } \end{tabulary} \columnbreak \begin{tabulary}{11cm}{L} \vspace{-2pt}\large{\bf{\textcolor{DarkBackground}{\textrm{Assembly for Reverse Engeneering Cheat Sheet}}}} \\ \normalsize{by \textcolor{DarkBackground}{FFY00} via \textcolor{DarkBackground}{\uline{cheatography.com/51103/cs/14023/}}} \end{tabulary} \end{multicols}} \fancyfoot[L]{ \footnotesize \noindent \begin{multicols}{3} \begin{tabulary}{5.8cm}{LL} \SetRowColor{FootBackground} \mymulticolumn{2}{p{5.377cm}}{\bf\textcolor{white}{Cheatographer}} \\ \vspace{-2pt}FFY00 \\ \uline{cheatography.com/ffy00} \\ \end{tabulary} \vfill \columnbreak \begin{tabulary}{5.8cm}{L} \SetRowColor{FootBackground} \mymulticolumn{1}{p{5.377cm}}{\bf\textcolor{white}{Cheat Sheet}} \\ \vspace{-2pt}Not Yet Published.\\ Updated 18th December, 2017.\\ Page {\thepage} of \pageref{LastPage}. \end{tabulary} \vfill \columnbreak \begin{tabulary}{5.8cm}{L} \SetRowColor{FootBackground} \mymulticolumn{1}{p{5.377cm}}{\bf\textcolor{white}{Sponsor}} \\ \SetRowColor{white} \vspace{-5pt} %\includegraphics[width=48px,height=48px]{dave.jpeg} Measure your website readability!\\ www.readability-score.com \end{tabulary} \end{multicols}} \begin{document} \raggedright \raggedcolumns % Set font size to small. Switch to any value % from this page to resize cheat sheet text: % www.emerson.emory.edu/services/latex/latex_169.html \footnotesize % Small font. \begin{multicols*}{3} \begin{tabularx}{5.377cm}{p{0.94563 cm} x{4.03137 cm} } \SetRowColor{DarkBackground} \mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{\{\{fa-gears\}\} General Registers}} \tn % Row 0 \SetRowColor{LightBackground} EAX & Accumulator \tn % Row Count 1 (+ 1) % Row 1 \SetRowColor{white} EBX & Base \tn % Row Count 2 (+ 1) % Row 2 \SetRowColor{LightBackground} ECX & Counter \tn % Row Count 3 (+ 1) % Row 3 \SetRowColor{white} EDX & Data \tn % Row Count 4 (+ 1) \hhline{>{\arrayrulecolor{DarkBackground}}--} \end{tabularx} \par\addvspace{1.3em} \begin{tabularx}{5.377cm}{p{0.4977 cm} x{4.4793 cm} } \SetRowColor{DarkBackground} \mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{\{\{fa-gears\}\} Pointer Registers}} \tn % Row 0 \SetRowColor{LightBackground} ESP & Stack Pointer, "top" of the current stack frame (lower memory) \tn % Row Count 2 (+ 2) % Row 1 \SetRowColor{white} EBP & Base Pointer, "bottom" of the current stack frame (higher memory) \tn % Row Count 4 (+ 2) % Row 2 \SetRowColor{LightBackground} EIP & Instruction Pointer, pointer to the next instruction to be executed by the CPU \tn % Row Count 7 (+ 3) \hhline{>{\arrayrulecolor{DarkBackground}}--} \end{tabularx} \par\addvspace{1.3em} \begin{tabularx}{5.377cm}{p{0.4977 cm} x{4.4793 cm} } \SetRowColor{DarkBackground} \mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{\{\{fa-gear\}\} Index Registers}} \tn % Row 0 \SetRowColor{LightBackground} ESI & Source Index, it is used as source index for string operations \tn % Row Count 2 (+ 2) % Row 1 \SetRowColor{white} EDI & Destination Index, it is used as destination index for string operations \tn % Row Count 4 (+ 2) \hhline{>{\arrayrulecolor{DarkBackground}}--} \end{tabularx} \par\addvspace{1.3em} \begin{tabularx}{5.377cm}{p{0.4977 cm} x{4.4793 cm} } \SetRowColor{DarkBackground} \mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{\{\{fa-flag\}\} Flags Registers (EFLAGS)}} \tn % Row 0 \SetRowColor{LightBackground} ZF & Zero Flag, set when result of an operation equals zero \tn % Row Count 2 (+ 2) % Row 1 \SetRowColor{white} CF & Carry Flag, set when the result of an operation is too large/small \tn % Row Count 4 (+ 2) % Row 2 \SetRowColor{LightBackground} SF & Sign Flag, set when the result of an operation is negative \tn % Row Count 6 (+ 2) \hhline{>{\arrayrulecolor{DarkBackground}}--} \end{tabularx} \par\addvspace{1.3em} \begin{tabularx}{5.377cm}{X} \SetRowColor{DarkBackground} \mymulticolumn{1}{x{5.377cm}}{\bf\textcolor{white}{\{\{fa-sort-amount-desc\}\} Stack}} \tn \SetRowColor{LightBackground} \mymulticolumn{1}{p{5.377cm}}{\vspace{1px}\centerline{\includegraphics[width=5.1cm]{/web/www.cheatography.com/public/uploads/ffy00_1513637484_stack.png}}} \tn \hhline{>{\arrayrulecolor{DarkBackground}}-} \SetRowColor{LightBackground} \mymulticolumn{1}{x{5.377cm}}{Stack is a LIFO-Storage (Last In First Out)} \tn \hhline{>{\arrayrulecolor{DarkBackground}}-} \end{tabularx} \par\addvspace{1.3em} \begin{tabularx}{5.377cm}{x{2.18988 cm} x{2.78712 cm} } \SetRowColor{DarkBackground} \mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{\{\{fa-exchange\}\} Moving Data}} \tn % Row 0 \SetRowColor{LightBackground} mov ebx, eax & Move the value in {\emph{EAX}} to {\emph{EBX}} \tn % Row Count 2 (+ 2) % Row 1 \SetRowColor{white} mov eax, 0xDEADBEEF & Move {\emph{0xDEADBEEF}} into {\emph{EAX}} \tn % Row Count 4 (+ 2) % Row 2 \SetRowColor{LightBackground} mov edx, DWORD PTR {[}0x41424344{]} & Move the 4-byte value at address {\emph{0x41424344}} into {\emph{EDX}} \tn % Row Count 7 (+ 3) % Row 3 \SetRowColor{white} mov ecx, DWORD PTR {[}edx{]} & Move the 4-byte value at the address in {\emph{EDX}}, into {\emph{ECX}} \tn % Row Count 10 (+ 3) % Row 4 \SetRowColor{LightBackground} mov eax, DWORD PTR {[}ecx+esi*8{]} & Move the value at the address {\emph{ECX+ESI*8}} into {\emph{EAX}} \tn % Row Count 13 (+ 3) % Row 5 \SetRowColor{white} mov bx, 0C3EEh & Sign bit of {\emph{BL}} is now {\emph{1}}: {\emph{BH == 1100 0011}}, {\emph{BL == 1110 1110}} \tn % Row Count 16 (+ 3) % Row 6 \SetRowColor{LightBackground} movsx ebx, bx & Load signed 16-bit value into 32-bit register and sign-extend \tn % Row Count 19 (+ 3) % Row 7 \SetRowColor{white} movzx dx, bl & Load unsigned 8-bit value into 16-bit register and zero-extend \tn % Row Count 22 (+ 3) % Row 8 \SetRowColor{LightBackground} lea edi, {[}esi+0Bh{]} & Add {\emph{11}} to {\emph{ESI}} and store the result in {\emph{EDI}} \tn % Row Count 25 (+ 3) \hhline{>{\arrayrulecolor{DarkBackground}}--} \SetRowColor{LightBackground} \mymulticolumn{2}{x{5.377cm}}{{\emph{eax}} is the value stored in eax \newline {\emph{{[}eax{]}}} is the value pointed to by eax} \tn \hhline{>{\arrayrulecolor{DarkBackground}}--} \end{tabularx} \par\addvspace{1.3em} \begin{tabularx}{5.377cm}{x{1.94103 cm} x{3.03597 cm} } \SetRowColor{DarkBackground} \mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{\{\{fa-list\}\} Data Types}} \tn % Row 0 \SetRowColor{LightBackground} BYTE & 1 Byte (8 bits) \tn % Row Count 1 (+ 1) % Row 1 \SetRowColor{white} WORD & 2 Bytes (16 bits) \tn % Row Count 2 (+ 1) % Row 2 \SetRowColor{LightBackground} DOUBLE WORD & 4 Bytes (32 bits) \tn % Row Count 3 (+ 1) % Row 3 \SetRowColor{white} QUAD WORD & 8 Bytes (64 bits) \tn % Row Count 4 (+ 1) \hhline{>{\arrayrulecolor{DarkBackground}}--} \end{tabularx} \par\addvspace{1.3em} \begin{tabularx}{5.377cm}{x{1.44333 cm} x{3.53367 cm} } \SetRowColor{DarkBackground} \mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{\{\{fa-wrench\}\} Frequent Instructions}} \tn % Row 0 \SetRowColor{LightBackground} mov & MOV is the instruction used for assignment. MOV can move data between a register and memory. \tn % Row Count 4 (+ 4) % Row 1 \SetRowColor{white} movsx & {\emph{move with Sign Extension}}. The data is moved from a smaller register into a bigger register, and the sign is preserved. \tn % Row Count 9 (+ 5) % Row 2 \SetRowColor{LightBackground} movzx & {\emph{move with Zero Extension}}. The data is moved from a smaller register into a bigger register, and the sign is ignored. \tn % Row Count 14 (+ 5) % Row 3 \SetRowColor{white} lea & Similar to MOV, except that math can be done on the original value before it is used. The {\emph{{[}}} and {\emph{{]}}} characters always surround the second parameter, but in this case they do {\bf{not indicate dereferencing}}. \tn % Row Count 22 (+ 8) % Row 4 \SetRowColor{LightBackground} push & Decrements the stack pointer by the size of the operand, then saves the operand to the new address. Equivalent to `sub esp, 4 | mov DWORD PTR {[}esp{]}, ebx` \tn % Row Count 28 (+ 6) % Row 5 \SetRowColor{white} pop & Sets the operand to the value on the stack, then increments the stack pointer by the size of the operand. Equivalent to `mov ebx, DWORD PTR {[}esp{]} | add esp, 4` \tn % Row Count 34 (+ 6) \end{tabularx} \par\addvspace{1.3em} \vfill \columnbreak \begin{tabularx}{5.377cm}{x{1.44333 cm} x{3.53367 cm} } \SetRowColor{DarkBackground} \mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{\{\{fa-wrench\}\} Frequent Instructions (cont)}} \tn % Row 6 \SetRowColor{LightBackground} cmp & Compares two operands and sets or unsets flags in the flags register based on the result. \tn % Row Count 4 (+ 4) % Row 7 \SetRowColor{white} test & Bitwise AND. \tn % Row Count 5 (+ 1) % Row 8 \SetRowColor{LightBackground} rep, repnz, repz & Repeat while Equal/Non Zero/Zero. \tn % Row Count 7 (+ 2) \hhline{>{\arrayrulecolor{DarkBackground}}--} \end{tabularx} \par\addvspace{1.3em} % That's all folks \end{multicols*} \end{document}