Technical Information
Malicious functions:
Launches itself as a daemon
Substitutes application name for:
- -bash
Replaces the following system files:
- /bin/wget
- /sbin/wget
Launches processes:
- sh -c cd /bin/; cat tftp > tftp-cpy; cat /proc/536/exe > tftp ; chmod 777 tftp
- cat tftp
- cat /proc/536/exe
- chmod 777 tftp
- sh -c cd /bin/; cat rm > rm-cpy; cat /proc/536/exe > rm ; chmod 777 rm
- cat rm
- chmod 777 rm
- sh -c cd /bin/; cat cd > cd-cpy; cat /proc/536/exe > cd ; chmod 777 cd
- cat cd
- chmod 777 cd
- sh -c cd /bin/; cat wget > wget-cpy; cat /proc/536/exe > wget ; chmod 777 wget
- cat wget
- chmod 777 wget
- sh -c cd /bin/; cat echo > echo-cpy; cat /proc/536/exe > echo ; chmod 777 echo
- cat echo
- chmod 777 echo
- sh -c cd /sbin/; cat tftp > tftp-cpy; cat /proc/536/exe > tftp ; chmod 777 tftp
- sh -c cd /sbin/; cat rm > rm-cpy; cat /proc/536/exe > rm ; chmod 777 rm
- sh -c cd /sbin/; cat cd > cd-cpy; cat /proc/536/exe > cd ; chmod 777 cd
- sh -c cd /sbin/; cat wget > wget-cpy; cat /proc/536/exe > wget ; chmod 777 wget
- sh -c cd /sbin/; cat echo > echo-cpy; cat /proc/536/exe > echo ; chmod 777 echo
Kills system processes:
- sshd
Performs operations with the file system:
Modifies file access rights:
- /bin/tftp
- /bin/rm
- /bin/cd
- /bin/wget
- /bin/echo
- /sbin/tftp
- /sbin/rm
- /sbin/cd
- /sbin/wget
- /sbin/echo
Creates or modifies files:
- /bin/tftp-cpy
- /bin/tftp
- /bin/rm-cpy
- /bin/rm
- /bin/cd-cpy
- /bin/cd
- /bin/wget-cpy
- /bin/echo-cpy
- /bin/echo
- /sbin/tftp-cpy
- /sbin/tftp
- /sbin/rm-cpy
- /sbin/rm
- /sbin/cd-cpy
- /sbin/cd
- /sbin/wget-cpy
- /sbin/echo-cpy
- /sbin/echo
Network activity:
Awaits incoming connections on ports:
- 127.0.0.1:6628
Establishes connection:
- 8.#.8.8:53
- 19#.##6.146.53:4706
Attacks using a special dictionary (brute-force technique) via the Telnet protocol.
Sends data to the following servers:
- 13#.##9.70.191:23
- 11#.##9.121.96:23
- 61.##.88.131:23
- 85.###.213.68:23
- 18#.##7.119.38:23
- 14#.##.62.226:23
- 19#.##6.146.53:4706
