[actf2020 freshman competition]backupfile 1

[ACTF2020 Freshman competition ]BackupFile 1
This is a search for backup files , Now that you have backup files, let's take a look at common backup files
Common backup files ：“.git” 、“.svn”、“ .swp” “.~”、“.bak”、“.bash_history”、“.bkf“
Inside is bak
use dirsearch Do a directory scan {
Insert a section of software installation here ：
git clone https://github.com/maurosoria/dirsearch.git Clone it
cd dirsearch
pip3 install -r requirements.txt Installation dependency
python3 dirsearch.py -u -e The query syntax
}

End of query , Check the report

Visit the link to download the file

Open file view

It's a PHP If compare （
php Weak type comparison
php Two of the comparison symbols in :
==： First convert the string type to the same , Compare again
===： First judge whether the types of two strings are equal , Compare again
）
Give Way key=123 Visit , notice flag