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dissect.cobaltstrike 是一个 Python 库，用于剖析和解析与 Cobalt Strike 相关的数据，例如 beacon 载荷和 Malleable C2 配置文件。
该库可通过 PyPI <https://pypi.org/project/dissect.cobaltstrike/>_ 获取。使用 pip 安装::
$ pip install dissect.cobaltstrike
或者使用 full extra 安装，以自动安装 C2 和 PCAP 支持的依赖::
$ pip install 'dissect.cobaltstrike[full]'
如果你想安装最新的预发布版本，请使用 --pre 标志::
$ pip install --pre dissect.cobaltstrike
dissect.cobaltstrike 需要 Python 3.10 或更高版本。
项目文档可在此处找到：https://dissect-cobaltstrike.readthedocs.io
解析 Cobalt Strike beacon 并提取一些配置设置 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.. code-block:: python
>>> from dissect.cobaltstrike.beacon import BeaconConfig
>>> bconfig = BeaconConfig.from_path("beacon.bin")
>>> hex(bconfig.watermark)
'0x5109bf6d'
>>> bconfig.protocol
'https'
>>> bconfig.version
<BeaconVersion 'Cobalt Strike 4.2 (Nov 06, 2020)', tuple=(4, 2), date=2020-11-06>
>>> bconfig.settings
mappingproxy({'SETTING_PROTOCOL': 8,
'SETTING_PORT': 443,
'SETTING_SLEEPTIME': 5000,
'SETTING_MAXGET': 1048576,
'SETTING_JITTER': 0, ...
>>> bconfig.settings["SETTING_C2_REQUEST"]
[('_HEADER', b'Connection: close'),
('_HEADER', b'Accept-Language: en-US'),
('BUILD', 'metadata'),
('MASK', True),
('BASE64', True),
('PREPEND', b'wordpress_ed1f617bbd6c004cc09e046f3c1b7148='),
('HEADER', b'Cookie')]
解析 Malleable C2 Profile 并读取一些配置设置 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.. code-block:: python
>>> from dissect.cobaltstrike.c2profile import C2Profile
>>> profile = C2Profile.from_path("amazon.profile")
>>> profile.as_dict()
{'sleeptime': ['5000'],
'jitter': ['0'],
'maxdns': ['255'],
'useragent': ['Mozilla/5.0 (Windows NT 6.1; WOW64; Trident/7.0; rv:11.0) like Gecko'],
'http-get.uri': ['/s/ref=nb_sb_noss_1/167-3294888-0262949/field-keywords=books'],
'http-get.client.header': [('Accept', '*/*'), ('Host', 'www.amazon.com')],
...
}
>>> profile.properties["useragent"]
['Mozilla/5.0 (Windows NT 6.1; WOW64; Trident/7.0; rv:11.0) like Gecko']
>>> profile.properties["http-get.uri"]
['/s/ref=nb_sb_noss_1/167-3294888-0262949/field-keywords=books']
作为 Beacon Client 连接到 Team Server ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
另请参阅文档中的 极简 Beacon Client <https://dissect-cobaltstrike.readthedocs.io/en/latest/tutorials/minimal_beacon_client.html>_ 教程。
.. image:: https://raw.githubusercontent.com/fox-it/dissect.cobaltstrike/main/docs/images/beacon-client.png
解析并解密包含 Cobalt Strike 流量的 PCAP ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
另请参阅文档中的 解密 Cobalt Strike PCAPs <https://dissect-cobaltstrike.readthedocs.io/en/latest/tutorials/decrypt_cobaltstrike_pcaps.html>_ 教程。
.. code-block:: shell
$ beacon-pcap --extract-beacons 2021-06-15-Hancitor-with-Ficker-Stealer-and-Cobalt-Strike.pcap [+] Found <BeaconConfig ['']> at b'/ZsDK', extracted beacon payload to 'beacon-ZsDK.bin' [+] Found <BeaconConfig ['']> at b'/8mJm', extracted beacon payload to 'beacon-8mJm.bin'
$ beacon-pcap -p key.pem 2021-06-15-Hancitor-with-Ficker-Stealer-and-Cobalt-Strike.pcap --beacon beacon-8mJm.bin
<Beacon/BeaconMetadata packet_ts=2021-06-15 15:08:55.172675 src_ip=net.ipaddress('10.0.0.134') src_port=52886 dst_ip=net.ipaddress('') dst_port=443 raw_http=b'GET /activity HTTP/1.1\r\nAccept: /\r\nCookie: kR/OTFMhCYQpv09cXl2R7qEespVUfQ/8YahAbs1b+rEESbSzcAc44R9Klf4zH4GGYxT4dErzNQWimmMW5wQVQSEGFZ36mWc/beoUTQUGVUxcZWXl0t8WBO12qC6vsmRSV5uQO+qxz0Lbz1P/wOkWwbNM0XF9LhVjRrGYSR0Jlrc=\r\nUser-Agent: Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 5.1; .NET CLR 2.0.50727)\r\nHost: :443\r\nConnection: Keep-Alive\r\nCache-Control: no-cache\r\n\r\n' magic=48879 size=92 aes_rand=b'\xf9dA\xc8\x8b\x07\xe1:\xfa\np\xbc{m\xe0' ansi_cp=58372 oem_cp=46337 bid=693615746 pid=6396 port=0 flag=4 ver_major=10 ver_minor=0 ver_build=19042 ptr_x64=0 ptr_gmh=1972243040 ptr_gpa=1972237648 ip=net.ipaddress('<redacted>') info=b'DESKTOP-X9JH6AW\ttabitha.gomez\tsvchost.exe'> <Beacon/TaskPacket packet_ts=2021-06-15 15:09:56.371968 src_ip=net.ipaddress('<redacted>') src_port=443 dst_ip=net.ipaddress('10.0.0.134') dst_port=52894 raw_http=b'HTTP/1.1 200 OK\r\nDate: Tue, 15 Jun 2021 15:09:55 GMT\r\nContent-Type: application/octet-stream\r\nContent-Length: 48\r\n\r\nP\xc1\xf1\xa0{3 \xa8\x01}\xfe\xbcl\x8e\xa2\x81\xd7A2\xa3;\xe0\x91\xf5\x90\xdd]\xc5\x88\xa2\x88\x93\x14-\xb4\xbb\x96\xf1\x1c\xd7\r\xa60\xfe\xc5\x9e\xd6' epoch=2021-06-15 15:09:55 total_size=16 command='COMMAND_SLEEP' size=8 data=b'\x00\x00\x00d\x00\x00\x00Z'>
dissect.cobaltstrike 根据 MIT 许可证开发和分发。