def __init__(self):
BaseConsole.__init__(self)
self.analyzer = PcapAnalyzer()
self.config = {'mobile': False, 'ip-layer' : False}
self.current_session = None
class ClippConsole(BaseConsole):
intro = """
________ ___ ___ ________ ________
|\ ____\ |\ \ |\ \ |\ __ \ |\ __ \
\ \ \___| \ \ \ \ \ \ \ \ \|\ \ \ \ \|\ \
\ \ \ \ \ \ \ \ \ \ \ ____\ \ \ ____\
\ \ \___ _ \ \ \____ \ \ \ \ \ \___| \ \ \___|
\ \_______\ \ \_______\ \ \__\ \ \__\ \ \__\
\|_______| \|_______| \|__| \|__| \|__|
Command Line Interface Packet Parser.
Type "help" or "?" to list available commands.
Type "help <command>" to see the command's help.
"""
prompt = Colors.BOLD + Colors.F_BLUE + "clipp>>" + Colors.RESET_ALL
def __init__(self):
BaseConsole.__init__(self)
self.analyzer = PcapAnalyzer()
self.config = {'mobile': False, 'ip-layer' : False}
self.current_session = None
def do_clean(self, args):
self.analyzer.sessions.clear()
self.print_info("All sessions have been erased.")
self.current_session = None
self.reset_prompt()
def reset_prompt(self):
self.prompt = Colors.BOLD + Colors.F_BLUE + "clipp>>" + Colors.RESET_ALL
@docopt_cmd
def do_load(self, args):
"""Usage: load <filename>
Loads pcap file and parse it.
"""
try:
self.analyzer.set_filepath(args['<filename>'])
self.analyzer.parse_file(self.config['mobile'], self.config.get('ip-layer', False))
except Exception as e:
print(e)
@docopt_cmd
def do_sessions(self, args):
"""Usage: sessions [[<session_id>] | [(filter <colname> <pattern>)]]
Print session list, or enter session if <session_id> is given.
Options:
filter <colname> <pattern> only display sessions matching <pattern> in column <colname>
"""
headers = OrderedDict([('session_id', 'SESSION_ID'),
('ip_src', 'IP_SRC'),
('domainsrc', 'DOMAIN_SRC'),
('sport', 'PORT_SRC'),
('ip_dst', 'IP_DST'),
('domaindst', 'DOMAIN_DST'),
('dport', 'PORT_DST'),
('proto', 'PROTO'),
('pkts', 'PACKETS'),
('tot_len', 'LENGTH')])
if args['<session_id>'] in self.analyzer.sessions.keys():
self.prompt = Colors.BOLD + Colors.F_BLUE + "clipp[%s]>>" % (args['<session_id>']) + Colors.RESET_ALL
self.current_session = args['<session_id>']
elif args['filter']:
colname = args['<colname>']
pattern = str(args['<pattern>'])
matches = [key for key, value in headers.iteritems() if colname.lower() == value.lower()]
if len(matches) == 1 and pattern:
self.print_session_table(headers, matches.pop(), pattern)
else:
self.print_warning("Column {} does not exist.".format(colname))
else:
self.print_session_table(headers)
def print_session_table(self, headers, colname=None, pattern=None):
data = []
for key, session in self.analyzer.sessions.iteritems():
session_dict = session.serialize()
if colname:
if pattern in str(session_dict[colname]):
data.append([key] + [session_dict[hkey] for hkey in headers.keys()[1:]])
else:
data.append([key] + [session_dict[hkey] for hkey in headers.keys()[1:]])
if len(data) > 0:
print(to_text([headers.values()] + data))
def do_info(self, args):
if self.current_session:
session = self.analyzer.sessions[self.current_session]
self.print_default("Session infos :")
print("Key : \t\t %s" % self.current_session)
print("NB Packets : \t %d" % session.nb_pkts)
print("Total length : \t %d" % session.tot_len)
print("Protocol : \t %s" % session.proto)
print("IP src : \t %s" % session.ip_src)
print("IP dst : \t %s" % session.ip_dst)
print("Port src : \t %d" % session.sport)
print("Port dst : \t %d" % session.dport)
def do_show(self, args):
if self.current_session:
session = self.analyzer.sessions[self.current_session]
data = []
header = ['PKT NUM', 'IP SRC', 'PORT SRC', 'IP DST', 'PORT DST', 'LENGTH']
for index, pkt in enumerate(session.packets):
data.append([index,
self.analyzer.ip_to_str(pkt.raw_ip.src),
pkt.raw_ip.data.sport,
self.analyzer.ip_to_str(pkt.raw_ip.dst),
pkt.raw_ip.data.dport,
len(pkt.data)])
if len(data) > 0:
print(to_text([header] + data))
def do_back(self, args):
self.current_session = None
self.reset_prompt()
@docopt_cmd
def do_stream(self, args):
"""Usage:
stream [-f=<fmt> | --format=<fmt>] [-p=<pkt> | --packet=<pkt>]
Print session data (TCP/UDP).
-f <fmt>, --format <fmt> output format, default is "hex": str, urldecode, hex, hexarray, json, base64 (decode)
-p <pkt>, --packet <pkt> only print the packet data instead of session data. Default is -1 (all packets).
"""
if self.current_session:
pkt = args['--packet'] if args['--packet'] else -1
fmt = args['--format'] if args['--format'] else 'hex'
pkt = int(pkt)
formatter = SessionFormatter(self.analyzer.sessions[self.current_session])
results = formatter.format(fmt, pkt)
self.print_stream(results, pkt) if pkt >= 0 else map(lambda tpl : self.print_stream(tpl[1], tpl[0]), enumerate(results))
def print_stream(self, stream_data, pkt):
if len(stream_data) > 0:
self.print_default("%s[Packet %d]%s" % (Colors.F_CYAN, pkt, Colors.RESET_ALL))
print(stream_data)
@docopt_cmd
def do_dump(self, args):
"""Usage:
dump [-p=<pkt> |--packet=<pkt>] <filename>
Dump session (all packets by default) or packet data to file.
-p=<pkt>, --packet=<pkt> packet to dump.
<filename> full path to the output file.
"""
if self.current_session:
pkt = int(args['--packet']) if args['--packet'] else -1
filename = args['<filename>']
session = self.analyzer.sessions[self.current_session]
with open(filename, 'wb') as output:
output.write(session.packets[pkt].data) if pkt >= 0 else map(lambda p : output.write(p.data), session.packets)
else:
self.print_error("You must select a session first. Use 'sessions <session_id>' to select a session.")
@docopt_cmd
def do_search(self, args):
"""Usage: search [options] (-s|-x) <pattern>...
-s, --string the string pattern to find.
-x, --hexstr the hex string to find.
Options:
-c, --case-sensitive match case sensitive pattern.
-S, --sessions-only only print sessions id where the pattern was found.
"""
searcher = SearchUtils(self.analyzer.sessions)
fmt = 'str' if args['--string'] else 'hex'
pattern = ' '.join(args['<pattern>']) if fmt == 'str' else ''.join(args['<pattern>'])
results = searcher.search(pattern, fmt, self.current_session, args['--case-sensitive'])
self.print_search_results(results, args['--sessions-only'], pattern)
def print_search_results(self, results, sessions_only, pattern):
if results:
if sessions_only:
[self.print_default(key) for key in results.keys()]
else:
for skey, listtuple in results.iteritems():
self.print_default("%sSession %s%s" % (Colors.BOLD + Colors.F_MAGENTA, skey, Colors.RESET_ALL))
for pindex, indexes, fmt in listtuple:
pkt = self.analyzer.sessions[skey].packets[pindex]
res_data = self.format_search_results(pattern, pkt, indexes, fmt)
self.print_default("{}[Packet {}]:".format(Colors.F_CYAN, pindex, Colors.RESET_ALL))
for res in res_data:
output = "{}".format(res)
self.print_default(output)
def format_search_results(self, pattern, pkt, indexes, fmt):
return [self.format_search_result(pattern, pkt, index, fmt) for index in indexes]
def format_search_result(self, pattern, pkt, index, fmt):
threshold = 40
if fmt == 'hex':
data = pkt.data.encode('hex')
elif fmt == 'str':
data = pkt.strings
original = data[index:index+len(pattern)]
start = index - threshold if index > threshold else 0
end = index + threshold if len(data) - index > threshold else len(data)
prefix = '[...]' if start > 0 else ''
suffix = '[...]' if end < len(data) else ''
return prefix + data[start:index] + Colors.BOLD + Colors.F_RED + original + Colors.RESET_ALL + data[index+len(pattern):end] + suffix
@docopt_cmd
def do_http(self, args):
"""Usage: http [options]
Options:
--headers only print http headers.
--body only print http body.
"""
if self.current_session:
session = self.analyzer.sessions[self.current_session]
for index, pkt in enumerate(session.packets):
if pkt.http:
self.print_default("{}[Packet %d]{}".format(Colors.F_CYAN, index, Colors.RESET_ALL))
if args['--headers']:
self.print_default(str(pkt.http.headers))
elif args['--body']:
self.print_default(str(pkt.http.body))
else:
self.print_default(str(pkt.http.headers))
self.print_default(str(pkt.http.body))
@docopt_cmd
def do_extract(self, args):
"""Usage: extract [options] (-p=<pkt>|--packet=<pkt>)
-p=<pkt>, --packet=<pkt> packet number (mandatory).
-u, --unquote urldecode the data.
"""
if self.current_session:
formatter = SessionFormatter(self.analyzer.sessions[self.current_session])
pkt = int(args['--packet'])
if args['--unquote']:
kv_data = formatter.unquote_pkt(pkt).split('&')
else:
kv_data = formatter.strings_pkt(pkt).split('&')
for kv in kv_data:
try:
params = kv.split('=')
self.print_default('Key : %s' % params[0])
json_data = format_json(params[1])
self.print_default('Value : ')
print json_data
except Exception:
self.print_default('Value : %s' % params[1])
def complete_load(self, text, args, begidx, endidx):
return self.autocomplete_path(text, args, begidx, endidx)
def complete_sessions(self, text, args, begidx, endidx):
return self.autocomplete_session_key(text, args, begidx, endidx)
def complete_stream(self, text, args, begidx, endidx):
params = ['-f', '-p', '--format', '--packet', 'str', 'json', 'urldecode', 'base64', 'hex', 'hexarray']
return filter(lambda s: s.startswith(text), params)
def autocomplete_session_key(self, text, args, begidx, endidx):
sub_cmd = 'filter'
columns = ['IP_SRC', 'IP_DST', 'PORT_SRC', 'PORT_DST', 'DOMAIN_SRC', 'DOMAIN_DST', 'PROTO', 'LENGTH', 'PACKETS']
args = args.split()
if sub_cmd in args:
return filter(lambda s : s.lower().startswith(text.lower()), columns)
else:
return filter(lambda s: s.startswith(text), self.analyzer.sessions.keys() + [sub_cmd])
