iSMTP包装说明
测试SMTP用户枚举（RCPT TO和VRFY），内部欺诈和继电器。
- 作者：奥尔顿·约翰逊
- 许可：GPL第二版
包含在ismtp包工具
ismtp - SMTP用户枚举和测试工具
[email protected]:~# ismtp
---------------------------------------------------------------------
iSMTP v1.6 - SMTP Server Tester, Alton Johnson ([email protected])
[email protected]------
Usage: ./iSMTP.py <OPTIONS>
Required:
-f <import file> Imports a list of SMTP servers for testing.
(Cannot use with '-h'.)
-h <host> The target IP and port (IP:port).
(Cannot use with '-f'.)
Spoofing:
-i <isa email> The ISA's email address.
-s <sndr email> The sender's email address.
-r <rcpt email> The recipient's email address.
--sr <email> Specifies both the sender's and recipient's email address.
-S <sndr name> The sender's first and last name.
-R <rcpt name> The recipient's first and last name.
--SR <name> Specifies both the sender's and recipient's first and last name.
-m Enables SMTP spoof testing.
-a Includes .txt attachment with spoofed email.
SMTP enumeration:
-e <file> Enable SMTP user enumeration testing and imports email list.
-l <1|2|3> Specifies enumeration type (1 = VRFY, 2 = RCPT TO, 3 = all).
(Default is 3.)
SMTP relay:
-i <isa email> The ISA's email address.
-x Enables SMTP external relay testing.
Misc:
-t <secs> The timeout value. (Default is 10.)
-o Creates "ismtp-results" directory and writes output to
ismtp-results/smtp_<service>_<ip>(port).txt
Note: Any combination of options is supported (e.g., enumeration, relay, both, all, etc.).iSMTP用法示例
测试从文件中IP地址从字典文件（-e /usr/share/wordlists/metasploit/unix_users.txt）列举的用户名列表（-f SMTP-ips.txt）：
[email protected]:~# ismtp -f smtp-ips.txt -e /usr/share/wordlists/metasploit/unix_users.txt
---------------------------------------------------------------------
iSMTP v1.6 - SMTP Server Tester, Alton Johnson ([email protected])
[email protected]------
Testing SMTP server [user enumeration]: 192.168.1.25:25
Emails provided for testing: 109
Performing SMTP VRFY test...
[-] 4Dgifts ------------- [ invalid ]
[-] EZsetup ------------- [ invalid ]
[+] ROOT ---------------- [ success ]
[+] adm ----------------- [ success ]