下载了一个音频文件,打开来听起来像是在打电话输入号码的声音,猜测DTMF拨号音识别,有个程序可以识别一下dtmf2num.exe,通过链接可以下载http://aluigi.altervista.org/mytoolz/dtmf2num.zip
DTMF2NUM 0.2
by Luigi Auriemma
e-mail: [email protected]
web: aluigi.org
- open .\girlfriend.wav
wave size 7466540
format tag 1
channels: 2
samples/sec: 44100
avg/bytes/sec: 176400
block align: 4
bits: 16
samples: 3733270
bias adjust: 215
volume peaks: -12024 12025
normalize: 20742
resampling to: 8000hz
- MF numbers: 47777777
- DTMF numbers: 999*666*88*2*777*33*6*999*4*4444*777*555*333*777*444*33*66*3*7777
999*666*88*2*777*33*6*999*4*4444*777*555*333*777*444*33*66*3*7777
这个是手机键盘密码,在ctfwiki的其他类型加密中有介绍https://ctf-wiki.org/crypto/classical/others/
999就是指按三下数字9得到的字母也就是y,以此类推,数字对应手机的每个键位,几个数字代表按几下
999 ---> y
666 ---> o
88 ---> u
2 ---> a
777 ---> r
33 ---> e
6 ---> m
999 ---> y
4 ---> g
4444 ---> i
777 ---> r
555 ---> l
333 ---> f
777 ---> r
444 ---> i
33 ---> e
66 ---> n
3 ---> d
7777 ---> s
youaremygirlfriends
flag{youaremygirlfriends}
标签:777,WUSTCTF2020,33,666,999,---,girlfriend,org From: https://www.cnblogs.com/fishjumpriver/p/17831045.html