Commands using objdump (6)

  • Seems to work on Ubuntu 14.02 LTS Show Sample Output


    0
    objdump -s ./HelloWorld | grep -v '^ [0-9a-f][0-9a-f][0-9a-f][0-9a-f] \b' | grep -v 'Contents' | grep -v './' | cut -d' ' -f 3-6| sed 's/ //g' | sed '/./!d' | tr -d '\n'| sed 's/.\{2\}/&\\x/g' | sed 's/^/\\x/'|sed 's/..$//'|sed 's/^/"/;s/$/"/g'
    mark20 · 2016-10-05 23:31:05 0
  • Extracts the binary from the .text section and escapes it. This puts it in a form ready to use in a program. Show Sample Output


    0
    objdump -d -j .text ExeHere | grep -e '^ ' | tr '[[:space:]]' '\n' | egrep '^[[:alnum:]]{2}$' | xargs | sed 's/ /\\x/g' | sed -e 's/^/\\x/g'
    keyboardsage · 2016-09-11 07:15:00 0
  • Anyone can make the command smaller & easier? :) Show Sample Output


    3
    for i in $(objdump -d binary -M intel |grep "^ " |cut -f2); do echo -n '\x'$i; done;echo
    arno · 2013-04-09 09:44:31 2
  • use this to avoid executing the target app


    -1
    function ldd(){ objdump -p $1 | grep -i need; }
    jyf · 2010-09-07 02:44:59 0
  • Tired copy paste to get opcode from objdump huh ? Get more @ http://gunslingerc0de.wordpress.com Show Sample Output


    4
    objdump -d ./PROGRAM|grep '[0-9a-f]:'|grep -v 'file'|cut -f2 -d:|cut -f1-6 -d' '|tr -s ' '|tr '\t' ' '|sed 's/ $//g'|sed 's/ /\\x/g'|paste -d '' -s |sed 's/^/"/'|sed 's/$/"/g'
    gunslinger_ · 2010-07-11 15:44:48 4
  • The options -b binary and -m are needed for disassembling raw machine code when it is not part of a full binary executable with proper headers. Show Sample Output


    2
    objdump -b binary -m i386 -D shellcode.bin
    recursiverse · 2010-04-27 11:11:36 2

What's this?

commandlinefu.com is the place to record those command-line gems that you return to again and again. That way others can gain from your CLI wisdom and you from theirs too. All commands can be commented on, discussed and voted up or down.

Share Your Commands



Stay in the loop…

Follow the Tweets.

Every new command is wrapped in a tweet and posted to Twitter. Following the stream is a great way of staying abreast of the latest commands. For the more discerning, there are Twitter accounts for commands that get a minimum of 3 and 10 votes - that way only the great commands get tweeted.

» http://twitter.com/commandlinefu
» http://twitter.com/commandlinefu3
» http://twitter.com/commandlinefu10

Subscribe to the feeds.

Use your favourite RSS aggregator to stay in touch with the latest commands. There are feeds mirroring the 3 Twitter streams as well as for virtually every other subset (users, tags, functions,…):

Subscribe to the feed for: