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Suricata Rules
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==============
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.. toctree::
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intro
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meta
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header-keywords
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payload-keywords
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transforms
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prefilter-keywords
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flow-keywords
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bypass-keyword
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http-keywords
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file-keywords
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dns-keywords
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tls-keywords
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ssh-keywords
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ja3-keywords
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modbus-keyword
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dcerpc-keywords
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dhcp-keywords
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dnp3-keywords
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enip-keyword
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ftp-keywords
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kerberos-keywords
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rust/smb: import NT status code for Microsoft doc
This patch updates the NT status code definition to use the status
definition used on Microsoft documentation website. A first python
script is building JSON object with code definition.
```
import json
from bs4 import BeautifulSoup
import requests
ntstatus = requests.get('https://docs.microsoft.com/en-us/openspecs/windows_protocols/ms-erref/596a1078-e883-4972-9bbc-49e60bebca55')
ntstatus_parsed = BeautifulSoup(ntstatus.text, 'html.parser')
ntstatus_parsed = ntstatus_parsed.find('tbody')
ntstatus_dict = {}
for item in ntstatus_parsed.find_all('tr'):
cell = item.find_all('td')
if len(cell) == 0:
continue
code = cell[0].find_all('p')
description_ps = cell[1].find_all('p')
description_list = []
if len(description_ps):
for desc in description_ps:
if not desc.string is None:
description_list.append(desc.string.replace('\n ', ''))
else:
description_list = ['Description not available']
if not code[0].string.lower() in ntstatus_dict:
ntstatus_dict[code[0].string.lower()] = {"text": code[1].string, "desc": ' '.join(description_list)}
print(json.dumps(ntstatus_dict))
```
The second one is generating the code that is ready to be inserted into the
source file:
```
import json
ntstatus_file = open('ntstatus.json', 'r')
ntstatus = json.loads(ntstatus_file.read())
declaration_format = 'pub const SMB_NT%s:%su32 = %s;\n'
resolution_format = ' SMB_NT%s%s=> "%s",\n'
declaration = ""
resolution = ""
text_max = len(max([ntstatus[x]['text'] for x in ntstatus.keys()], key=len))
for code in ntstatus.keys():
text = ntstatus[code]['text']
text_spaces = ' ' * (4 + text_max - len(text))
declaration += declaration_format % (text, text_spaces, code)
resolution += resolution_format % (text, text_spaces, text)
print(declaration)
print('\n')
print('''
pub fn smb_ntstatus_string(c: u32) -> String {
match c {
''')
print(resolution)
print('''
_ => { return (c).to_string(); },
}.to_string()
}
''')
```
Bug #5412.
3 years ago
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smb-keywords
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snmp-keywords
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base64-keywords
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sip-keywords
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add RFB parser
This commit adds support for the Remote Framebuffer Protocol (RFB) as
used, for example, by various VNC implementations. It targets the
official versions 3.3, 3.7 and 3.8 of the protocol and provides logging
for the RFB handshake communication for now. Logged events include
endpoint versions, details of the security (i.e. authentication)
exchange as well as metadata about the image transfer parameters.
Detection is enabled using keywords for:
- rfb.name: Session name as sticky buffer
- rfb.sectype: Security type, e.g. VNC-style challenge-response
- rfb.secresult: Result of the security exchange, e.g. OK, FAIL, ...
The latter could be used, for example, to detect brute-force attempts
on open VNC servers, while the name could be used to map unwanted VNC
sessions to the desktop owners or machines.
We also ship example EVE-JSON output and keyword docs as part of the
Sphinx source for Suricata's RTD documentation.
5 years ago
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rfb-keywords
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mqtt-keywords
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ike-keywords
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http2-keywords
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quic-keywords
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app-layer
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xbits
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thresholding
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ip-reputation-rules
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ipaddr
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config
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datasets
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lua-detection
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differences-from-snort
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