pop3_version
该“pop3_version”模块，顾名思义，扫描POP3邮件服务器主机的主机或范围，并确定在其上运行的版本。
msf > use auxiliary/scanner/pop3/pop3_version
msf auxiliary(pop3_version) > show options
Module options (auxiliary/scanner/pop3/pop3_version):
Name Current Setting Required Description
---- --------------- -------- -----------
RHOSTS yes The target address range or CIDR identifier
RPORT 110 yes The target port
THREADS 1 yes The number of concurrent threads
该模块仅需要我们设置RHOSTS和THREADS值，然后让它运行。
msf auxiliary(pop3_version) > set RHOSTS 192.168.1.200-250
RHOSTS => 192.168.1.200-250
msf auxiliary(pop3_version) > set THREADS 20
THREADS => 20
msf auxiliary(pop3_version) > run
[*] Scanned 13 of 51 hosts (025% complete)
[*] 192.168.1.204:110 POP3 +OK Dovecot ready.\x0d\x0a
[*] 192.168.1.219:110 POP3 +OK POP3\x0d\x0a
[*] Scanned 29 of 51 hosts (056% complete)
[*] Scanned 31 of 51 hosts (060% complete)
[*] Scanned 37 of 51 hosts (072% complete)
[*] Scanned 39 of 51 hosts (076% complete)
[*] 192.168.1.224:110 POP3 +OK localhost Cyrus POP3 v2.3.2 server ready >3017279298.1269446070@localhost>\x0d\x0a
[*] Scanned 51 of 51 hosts (100% complete)
[*] Auxiliary module execution completed
msf auxiliary(pop3_version) >
