路由器逆向分析------binwalk工具的詳細使用說明
一、binwalk工具的基本用法介紹
1.獲取幫助資訊
$ binwalk -h
# 或者
$ binwalk --help
2.韌體分析掃描
$ binwalk firmware.bin
# 或者
$ binwalk firmware.bin | head
3.提取檔案系統
# 使用預設的預定義配置檔案extract.conf
$ binwalk -e firmware.bin
# 使用指定自定義的配置檔案my_extract.conf
$ binwalk --extract=./my_extract.conf firmware.bin
4.設定過濾選項
5.顯示完整的掃描結果
6.韌體檔案的比較
7.日誌記錄
8.指令系統分析
9.熵分析
10.啟發式分析
11.使用指定外掛分析掃描韌體(已經去掉)
$ binwalk --enable-plugin=zlib firmware.bin
12.手動提取檔案
-D, --dd=<type[:ext[:cmd]]>
Extracts files identified during a --signature scan. Multiple --dd options may be specified.
- type is a *lower case* string contained in the signature description (regular expressions are supported)
- ext is the file extension to use when saving the data disk (default none)
- cmd is an optional command to execute after the data has been saved to disk
By default, the file name is the hexadecimal offset where the signature was found, unless an alternate file name is specified in the signature itself.
The following example demonstrates specifying an extraction rule using the --dd option that will extract any signature that contains the string 'zip archive' with a file extension of 'zip', and subsequently execute the 'unzip' command. Additionally, PNG images are extracted as-is with a 'png' file extension.
Note the use of the '%e' placeholder. This placeholder will be replaced with the relative path to the extracted file when the unzip command is executed:
$ binwalk -D 'zip archive:zip:unzip %e' -D 'png image:png' firmware.bin
13.binwalk工具的外掛功能
在最新版的binwalk工具中關於外掛的功能已經沒有了,下圖是原來有的外掛功能。
參考資料:
《揭祕家用路由器0day漏洞挖掘技術》
《Binwalk:後門(韌體)分析利器》 錯誤不少,不少功能介紹在最新版的binwalk中已經去掉了。
二、binwalk工具的使用幫助
$ binwalk -h
幫助命令的結果:
Binwalk v2.1.2b
Craig Heffner, http://www.binwalk.org
Usage: binwalk [OPTIONS] [FILE1] [FILE2] [FILE3] ...
Disassembly Scan Options:
-Y, --disasm Identify the CPU architecture of a file using the capstone disassembler
-T, --minsn=<int> Minimum number of consecutive instructions to be considered valid (default: 500)
-k, --continue Don't stop at the first match
Signature Scan Options:
-B, --signature Scan target file(s) for common file signatures
-R, --raw=<str> Scan target file(s) for the specified sequence of bytes
-A, --opcodes Scan target file(s) for common executable opcode signatures
-m, --magic=<file> Specify a custom magic file to use
-b, --dumb Disable smart signature keywords
-I, --invalid Show results marked as invalid
-x, --exclude=<str> Exclude results that match <str>
-y, --include=<str> Only show results that match <str>
Extraction Options:
-e, --extract Automatically extract known file types
-D, --dd=<type:ext:cmd> Extract <type> signatures, give the files an extension of <ext>, and execute <cmd>
-M, --matryoshka Recursively scan extracted files
-d, --depth=<int> Limit matryoshka recursion depth (default: 8 levels deep)
-C, --directory=<str> Extract files/folders to a custom directory (default: current working directory)
-j, --size=<int> Limit the size of each extracted file
-n, --count=<int> Limit the number of extracted files
-r, --rm Delete carved files after extraction
-z, --carve Carve data from files, but don't execute extraction utilities
Entropy Analysis Options:
-E, --entropy Calculate file entropy
-F, --fast Use faster, but less detailed, entropy analysis
-J, --save Save plot as a PNG
-Q, --nlegend Omit the legend from the entropy plot graph
-N, --nplot Do not generate an entropy plot graph
-H, --high=<float> Set the rising edge entropy trigger threshold (default: 0.95)
-L, --low=<float> Set the falling edge entropy trigger threshold (default: 0.85)
Raw Compression Options:
-X, --deflate Scan for raw deflate compression streams
-Z, --lzma Scan for raw LZMA compression streams
-P, --partial Perform a superficial, but faster, scan
-S, --stop Stop after the first result
Binary Diffing Options:
-W, --hexdump Perform a hexdump / diff of a file or files
-G, --green Only show lines containing bytes that are the same among all files
-i, --red Only show lines containing bytes that are different among all files
-U, --blue Only show lines containing bytes that are different among some files
-w, --terse Diff all files, but only display a hex dump of the first file
General Options:
-l, --length=<int> Number of bytes to scan
-o, --offset=<int> Start scan at this file offset
-O, --base=<int> Add a base address to all printed offsets
-K, --block=<int> Set file block size
-g, --swap=<int> Reverse every n bytes before scanning
-f, --log=<file> Log results to file
-c, --csv Log results to file in CSV format
-t, --term Format output to fit the terminal window
-q, --quiet Suppress output to stdout
-v, --verbose Enable verbose output
-h, --help Show help output
-a, --finclude=<str> Only scan files whose names match this regex
-p, --fexclude=<str> Do not scan files whose names match this regex
-s, --status=<int> Enable the status server on the specified port
三、binwalk工具官方的使用幫助說明
-B, --signature
This performs a signature analysis of the specified files; if no other analysis options are specified, this is the default.
Use this option when you wish to combine the signature analysis with additional analyzers, such as--entropy:
$ binwalk --signature firmware.bin DECIMAL HEX DESCRIPTION ------------------------------------------------------------------------------------------------------------------- 0 0x0 DLOB firmware header, boot partition: "dev=/dev/mtdblock/2" 112 0x70 LZMA compressed data, properties: 0x5D, dictionary size: 33554432 bytes, uncompressed size: 3797616 bytes 1310832 0x140070 PackImg section delimiter tag, little endian size: 13644032 bytes; big endian size: 3264512 bytes 1310864 0x140090 Squashfs filesystem, little endian, version 4.0, compression:lzma, size: 3264162 bytes, 1866 inodes, blocksize: 65536 bytes, created: Tue Apr 3 04:12:22 2012
-R, --raw=<string>
This allows you to search the specified file(s) for a custom string. The search string can include escaped octal and/or hexadecimal values.
Use this option when you need to search for a custom sequence of raw bytes:
$ binwalk -R "\x00\x01\x02\x03\x04" firmware.bin
DECIMAL HEX DESCRIPTION
-------------------------------------------------------------------------------------------------------------------
377654 0x5C336 Raw string signature
-A, --opcodes
This instructs binwalk to search the specified file(s) for executable opcodes common to a variety of CPU architectures. Note that some opcode signatures are short and thus are prone to producing false positive results.
Use this when you need to locate executable code in a file, or if you need to determine the architecture of a executable file:
$ binwalk -A firmware.bin DECIMAL HEX DESCRIPTION ------------------------------------------------------------------------------------------------------------------- 268 0x10C MIPS instructions, function prologue 412 0x19C MIPS instructions, function prologue 636 0x27C MIPS instructions, function prologue 812 0x32C MIPS instructions, function epilogue 920 0x398 MIPS instructions, function epilogue 948 0x3B4 MIPS instructions, function prologue 1056 0x420 MIPS instructions, function epilogue 1080 0x438 MIPS instructions, function prologue 1356 0x54C MIPS instructions, function epilogue 1392 0x570 MIPS instructions, function prologue 1836 0x72C MIPS instructions, function epilogue 2012 0x7DC MIPS instructions, function prologue 2260 0x8D4 MIPS instructions, function epilogue 2512 0x9D0 MIPS instructions, function prologue 2552 0x9F8 MIPS instructions, function epilogue
-m, --magic=<file>
Load an alternate magic signature file instead of the default.
Use this if you have a custom magic signature file containing signatures you want to search for:
$ binwalk -m ./foobar.mgc firmware.bin DECIMAL HEX DESCRIPTION ------------------------------------------------------------------------------------------------------------------- 268 0x10C Foobar 412 0x19C Foobar 636 0x27C Foobar
-b, --dumb
Disables "smart" signature matching.
Useful when smart signature keywords in false positive signatures cause other valid signatures to be missed (e.g., via the jump-to-offset keyword):
$ binwalk -b firmware.bin
-I, --invalid
Displays all results, even those marked as invalid.
Useful if you think that binwalk is treating a valid file as invalid, but can produce a lot of garbage output:
$ binwalk -I firmware.bin
-x, --exclude=<filter>
Excludes signatures that match the specified exclude filter. Filters are lower-case regular expressions; multiple filters may be specified.
Magic signatures whose first line matches the specified filter will not be loaded at all; thus, the use of this filter can help decrease signature scan times.
Useful for excluding unneeded or uninteresting results:
$ binwalk -x 'mach-o' -x '^hp' firmware.bin # exclude HP calculator and OSX mach-o signatures
-y, --include=<filter>
Includes only signatures that match the specified include filter. Filters are lower-case regular expressions; multiple filters may be specified.
Only magic signatures whose first line matches the specified filter will be loaded; thus, the use of this filter can help decrease signature scan times.
Useful when searching only for specific signatures or types of signatures:
$ binwalk -y 'filesystem' firmware.bin # only search for filesystem signatures
-Y, --disasm
Attempts to identify the CPU architecture of executable code contained in a file using the capstone disassembler.
Specifying --verbose with this scan will additionally print the disassembled instructions.
Generally more robust than the simple signature analysis performed by --opcodes, but supports fewer architectures:
$ binwalk --disasm firmware.bin DECIMAL HEXADECIMAL DESCRIPTION -------------------------------------------------------------------------------- 428 0x1AC MIPS executable code, 32/64-bit, little endian, at least 750 valid instructions
-T, --minsn
Set the minimum number of consecutive instructions for a --disasm result to be considered valid. The default is 500 instructions:
$ binwalk --minsn=1200 -Y firmware.bin DECIMAL HEXADECIMAL DESCRIPTION -------------------------------------------------------------------------------- 428 0x1AC MIPS executable code, 32/64-bit, little endian, at least 1250 valid instructions
-k, --continue
Instruct --disasm to not stop at the first result:
$ binwalk --continue -Y firmware.bin DECIMAL HEXADECIMAL DESCRIPTION -------------------------------------------------------------------------------- 428 0x1AC MIPS executable code, 32/64-bit, little endian, at least 1250 valid instructions 1048576 0x100000 MIPS executable code, 32/64-bit, little endian, at least 1250 valid instructions ...
-E, --entropy
Performs an entropy analysis on the input file(s), prints raw entropy data and generates entropy graphs.
Entropy analysis can be combined with --signature, --raw, or --opcodes for a better understanding of the target file(s).
Useful for identifying sections of interesting data that a signature scan may have missed:
$ binwalk -E firmware.bin DECIMAL HEXADECIMAL ENTROPY -------------------------------------------------------------------------------- 0 0x0 Rising entropy edge (0.983751) 1155072 0x11A000 Falling entropy edge (0.000000) 1181696 0x120800 Rising entropy edge (0.990546) 3780608 0x39B000 Falling entropy edge (0.000000)
When combined with the --verbose option, the raw entropy calculated for each data block is printed:
$ binwalk -E --verbose firmware.bin DECIMAL HEX ENTROPY ANALYSIS -------------------------------------------------------------------------------- 0 0x0 0.964914 1024 0x400 0.978591 2048 0x800 0.973048 3072 0xC00 0.976195 4096 0x1000 0.976072 5120 0x1400 0.976734 6144 0x1800 0.976861 7168 0x1C00 0.972385 8192 0x2000 0.972518 ...
PYTHON API WARNING: The graphing module used by binwalk (pyqtgraph)
invokes os._exit
upon completion; this is apparently necessary to handle various QT issues. When running binwalk from the command line, entropy analysis is always done last, causing little
worry. However, if invoking entropy analysis via the API, be sure to disable graphing (--nplot)
to prevent your script from exiting prematurely.
-J, --save
Automatically saves the entropy plot generated by --entropy to a PNG file instead of displaying it.
$ binwalk --save -E firmware.bin
-Q, --nlegend
Omits the legend from the entropy plot(s) generated by --entropy:
$ binwalk --entropy -Q firmware.bin
-N, --nplot
Disables graphical entropy plots for the --entropy scan.
$ binwalk --entropy -N firmware.bin
-H, --high=<float>
Sets the rising edge entropy trigger level. Only valid when used with --entropy. The specified value should be between 0 and 1:
$ binwalk --entropy -H .9 firmware.bin
-L, --low=<float>
Sets the falling edge entropy trigger level. Only valid when used with --entropy. The specified value should be between 0 and 1:
$ binwalk --entropy -L .3 firmware.bin
-W, --hexdump
Performs a hex dump of the input file(s) and color-codes bytes as follows:
- Green - These bytes were the same in all files
- Red - These bytes were different in all files
- Blue - These bytes were only different in some files
Any arbitrary number of files may be diffed; additional useful options are --block, --offset, --lengthand --terse:
$ binwalk -W --block=8 --length=64 firmware1.bin firmware2.bin firmware3.bin
-G, --green
Only display lines that contain green bytes during a --hexdump:
$ binwalk -W --green firmware1.bin firmware2.bin firmware3.bin
-i, --red
Only display lines that contain red bytes during a --hexdump:
$ binwalk -W --red firmware1.bin firmware2.bin firmware3.bin
-U, --blue
Only display lines that contain blue bytes during a --hexdump:
$ binwalk -W --blue firmware1.bin firmware2.bin firmware3.bin
-w, --terse
When performing a --hexdump, only display a hex dump of the first file.
Useful when diffing many files that don't all fit on the screen:
$ binwalk -W --terse firmware1.bin firmware2.bin firmware3.bin
-e, --extract
Loads common --dd extraction rules from a predefined file.
$ binwalk -e firmware.bin
-D, --dd=<type[:ext[:cmd]]>
Extracts files identified during a --signature scan. Multiple --dd options may be specified.
- type is a *lower case* string contained in the signature description (regular expressions are supported)
- ext is the file extension to use when saving the data disk (default none)
- cmd is an optional command to execute after the data has been saved to disk
By default, the file name is the hexadecimal offset where the signature was found, unless an alternate file name is specified in the signature itself.
The following example demonstrates specifying an extraction rule using the --dd option that will extract any signature that contains the string 'zip archive' with a file extension of 'zip', and subsequently execute the 'unzip' command. Additionally, PNG images are extracted as-is with a 'png' file extension.
Note the use of the '%e' placeholder. This placeholder will be replaced with the relative path to the extracted file when the unzip command is executed:
$ binwalk -D 'zip archive:zip:unzip %e' -D 'png image:png' firmware.bin
-M, --matryoshka
This option will recursively scan extracted files during a --signature scan. Only valid when used with--extract or --dd.
$ binwalk -e -M firmware.bin
-C, --directory=<str>
Set the output directory for extracted data (default: current working directory).
Only applicable when used with the --extract or --dd options:
$ binwalk -e --directory=/tmp firmware.bin
-d, --depth=<int>
Limit the --matryoshka recursion depth. By default, the depth is set to 8.
Only applicable when used with the --matryoshka option:
$ binwalk -Me -d 5 firmware.bin
-j, --size=<int>
Limit the size of data carved out of the target file(s). By default, there is no size limit.
Only valid when used with --extract or --dd.
Note that this option does not limit the size of data extracted / decompressed by external extraction utilities.
Useful when carving or extracting data from large files with limited disk space:
$ binwalk -e --size=0x100000 firmware.bin
-r, --rm
Cleans up zero-size files and files that couldn't be processed by extraction utilities during extraction.
Only valid when used with --extract or --dd.
Useful for cleaning up false-positive files copied out of the target file(s) during extraction:
$ binwalk -e -r firmware.bin
-z, --carve
Performs data carving only, does not execute external extraction utilities.
Only valid when used with --extract or --dd.
Useful for when you want to simply carve data from the target file(s), but not automatically extract / decompress that data:
$ binwalk -e --carve firmware.bin
-X, --deflate
Identifies probable raw deflate compressed data streams by brute-force.
Useful for recovering data from files with corrupt/modified/missing headers. May be combined with --lzma.
This scan can be slow, so it is useful to limit the scanned area with --offset and/or --length:
$ binwalk --deflate -o 0x100 -l 10000 firmware.bin
-Z, --lzma
Identifies probable raw LZMA compressed data streams by brute-force.
Useful for recovering data from files with corrupt/modified/missing headers. May be combined with --deflate.
Due to the various number of LZMA compression options this scan can be very slow, so it is useful to limit the scanned area with --offset and/or --length:
$ binwalk --lzma -o 0x100 -l 10000 firmware.bin
-P, --partial
Only search for compression streams using common compression options. Can significantly improve the speed of --lzma scans:
$ binwalk --partial -Z -o 0x100 -l 10000 firmware.bin
-S, --stop
When used with the --lzma and/or --deflate options, this will stop the scan after the first result is displayed:
$ binwalk --stop -Z firmware.bin
-l, --length=<int>
Sets the number of bytes to analyze in a target file:
$ binwalk --length=0x100 firmware.bin
-o, --offset=<int>
Sets the starting offset at which to begin analyzing a target file. A negative offset (distance from End-Of-File) may also be specified:
$ binwalk --offset=0x100 firmware.bin
-O, --base=<int>
Sets the base address for all printed offsets. This value will be added to the raw file offset of all printed results:
$ binwalk --base=0x80001000 firmware.bin
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pre 地址 .tar.gz 好的 publish net 組織 初始 int Saltstack 簡介什麽是saltstack? Saltstack是基於python開發的一套C/S架構配置管理工具? 使用SSL證書簽方的方式進行認證管理? 底層使用ZeroMQ消息隊列p
合金彈頭 逆向分析與外掛制作報告【內聯HOOK】
scm 代碼塊 opc 進行 void HR creat 其它 遊戲數據
一、工具及遊戲介紹
使用工具:Ollydbg,PEID,Cheat Engine
實現功能:玩家無敵
目標:找到全局數據,或關鍵代碼塊。
遊戲版本:合金彈頭1-5代珍藏版
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路由器逆向分析------在Linux上安裝IDA Pro
Installing WineHQ packages If you have previously installed a Wine package from another repository, please remove it and any packages that depend on it (
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解決 配置管理 基本 關系型 class mysq 不能 lamp nosql 作者:李小翀鏈接:https://www.zhihu.com/question/22764869/answer/31277656來源:知乎著作權歸作者所有。商業轉載請聯系作者獲得授權,非商業轉載
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Saltstack 自動化運維工具詳細介紹
pre 地址 .tar.gz 好的 publish net 組織 初始 int Saltstack 簡介什麽是saltstack? Saltstack是基於python開發的一套C/S架構配置管理工具? 使用SSL證書簽方的方式進行認證管理? 底層使用ZeroMQ消息隊列p
合金彈頭 逆向分析與外掛制作報告【內聯HOOK】
scm 代碼塊 opc 進行 void HR creat 其它 遊戲數據 一、工具及遊戲介紹 使用工具:Ollydbg,PEID,Cheat Engine 實現功能:玩家無敵 目標:找到全局數據,或關鍵代碼塊。 遊戲版本:合金彈頭1-5代珍藏版