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stringsext 2.3.5

find multi-byte-encoded strings in binary data
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  • getreu/stringsext
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  • Dependencies
    • anyhow ^1.0.89 normal
    • clap ^4.5.19 normal
    • encoding_rs ^0.8.34 normal
    • itertools ^0.13.0 normal
    • lazy_static ^1.5.0 normal
    • pin-project ^1.1.5 normal
    • scoped_threadpool ^0.1.9 normal
    • serde ^1.0.210 normal
    • serde_derive ^1.0.210 normal
    • structopt ^0.3.26 normal
  • Versions
    • 2.3.5 (2024-10-13)
    • 2.3.4 (2021-11-08)
    • 2.3.3 (2020-09-22)
    • 2.3.2 (2020-09-19)
    • 2.3.1 (2020-04-04)
    • 2.3.0 (2020-03-19)
    • 2.2.0 (2020-03-18)
    • 2.1.1 (2020-03-11)
  • Owners
  • getreu
stringsext-2.3.5 is not a library.

title: stringsext - search for multi-byte encoded strings in binary data

Cargo Documentation License

stringsext is a Unicode enhancement of the GNU strings tool with additional functionalities: stringsext recognizes Cyrillic, Arabic, CJKV characters and other scripts in all supported multi-byte-encodings, while GNU strings fails in finding any of these scripts in UTF-16 and many other encodings.

stringsext prints all graphic character sequences in FILE or stdin that are at least MIN bytes long.

Unlike GNU strings stringsext can be configured to search for valid characters not only in ASCII but also in many other input encodings, e.g.: UTF-8, UTF-16BE, UTF-16LE, BIG5-2003, EUC-JP, KOI8-R and many others. The option --list-encodings shows a list of valid encoding names based on the WHATWG Encoding Standard. When more than one encoding is specified, the scan is performed in different threads simultaneously.

When searching for UTF-16 encoded strings, 96% of all possible two byte sequences, interpreted as UTF-16 code unit, relate directly to Unicode codepoints. As a result, the probability of encountering valid Unicode characters in a random byte stream, interpreted as UTF-16, is also 96%. In order to reduce this big number of false positives, stringsext provides a parametrizable Unicode-block-filter. See --encodings and --same-unicode-block options in the manual page for more details.

stringsext is mainly useful for extracting Unicode content out of non-text files.

When invoked with stringsext -e ascii stringsext can be used as GNU strings replacement.

Screenshot

stringsext -tx -e utf-8 -e utf-16le -e utf-16be \
           -n 10 -a None -u African  /dev/disk/by-uuid/567a8410

 3de2fff0+	(b UTF-16LE)	ݒݓݔݕݖݗݙݪ
 3de30000+	(b UTF-16LE)	ݫݱݶݷݸݹݺ
<3de36528 	(a UTF-8)	فيأنمامعكلأورديافىهولملكاولهبسالإنهيأيقدهلثمبهلوليبلايبكشيام
>3de36528+	(a UTF-8)	أمنتبيلنحبهممشوش
<3de3a708 	(a UTF-8)	علىإلىهذاآخرعددالىهذهصورغيركانولابينعرضذلكهنايومقالعليانالكن
>3de3a708+	(a UTF-8)	حتىقبلوحةاخرفقطعبدركنإذاكمااحدإلافيهبعضكيفبح
 3de3a780+	(a UTF-8)	ثومنوهوأناجدالهاسلمعندليسعبرصلىمنذبهاأنهمثلكنتالاحيثمصرشرححو
 3de3a7f8+	(a UTF-8)	لوفياذالكلمرةانتالفأبوخاصأنتانهاليعضووقدابنخيربنتلكمشاءوهياب
 3de3a870+	(a UTF-8)	وقصصومارقمأحدنحنعدمرأياحةكتبدونيجبمنهتحتجهةسنةيتمكرةغزةنفسبي
 3de3a8e8+	(a UTF-8)	تللهلناتلكقلبلماعنهأولشيءنورأمافيكبكلذاترتببأنهمسانكبيعفقدحس
 3de3a960+	(a UTF-8)	نلهمشعرأهلشهرقطرطلب
 3df4cca8 	(c UTF-16BE)	փօև։֋֍֏֑֛֚֓֕֗֙֜֝֞׹
<3df4cd20 	(c UTF-16BE)	־ֿ׀ׁׂ׃ׅׄ׆ׇ׈׉׊׋

Documentation

User documentation

  • Manual page (html)

  • Manual page (pdf)

  • Blogposts about Stringsext

  • Paper about Stringsext

Developer documentation

  • API documentation

  • Forensic Tool Development with Rust

Source code

Repository

  • Stringsext on Gitlab

  • Stringsext on Github (mirror)

Distribution

  • Binaries for Ubuntu-Linux 18.04, Windows, MacOS (see below for Debian binaries)

    1. Open: Releases - getreu/stringsext

    2. Open the latest release.

    3. Open assets.

    4. Download the packed executable for your operating system.

    5. Installation: see below.

  • Binaries and packages (usually built from latest commit):

    • Executable for Windows:

      x86_64-pc-windows-gnu/release/stringsext.exe

    • Binary for Debian 10 Buster:

      x86_64-unknown-linux-gnu/release/stringsext

      x86_64-unknown-linux-musl/release/stringsext

      i686-unknown-linux-gnu/release/stringsext

      i686-unknown-linux-musl/release/stringsext

    • Package for Debian 10 Buster:

      x86_64-unknown-linux-gnu/debian/stringsext_2.3.5_amd64.deb

      i686-unknown-linux-gnu/debian/stringsext_2.3.5_i386.deb

    • Package Raspberry Pi 32 bit:

      armv7-unknown-linux-gnueabihf/release/stringsext

    • Package Raspberry Pi 64 bit:

      aarch64-unknown-linux-gnu/release/stringsext

  • Installable Unix man-page:

    • stringsext.1.gz

  • Zipfile with all binaries and documentation:

    • stringsext all

Building and installing

  1. Install Rust, e.g.

    curl https://sh.rustup.rs -sSf | sh

  2. Download, compile and install:

    cargo install stringsext
sudo cp ~/.cargo/bin/stringsext /usr/local/bin

This project follows Semantic Versioning.

About

Author

  • Jens Getreu

Copyright

  • Apache 2 license or MIT license

Build status

  • status
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