fix: decoder bdd

This commit is contained in:
Terrtia 2018-07-20 09:43:09 +02:00
parent 0e67b56906
commit 9a8e37fb0b
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GPG key ID: 1E1B1F50D84613D0
3 changed files with 14 additions and 16 deletions

View file

@ -42,18 +42,18 @@ ARDB overview
SET - 'hash_base64_all_type' hash_type *
SET - 'hash_binary_all_type' hash_type *
SET - 'hash_paste:'+paste hash * °°°
SET - 'hash_paste:'+paste hash *
SET - 'base64_paste:'+paste hash *
SET - 'binary_paste:'+paste hash *
ZADD - 'hash_date:'+20180622 hash * °°° nb_seen_this_day
ZADD - 'hash_date:'+20180622 hash * nb_seen_this_day
ZADD - 'base64_date:'+20180622 hash * nb_seen_this_day
ZADD - 'binary_date:'+20180622 hash * nb_seen_this_day
ZADD - 'nb_seen_hash:'+hash paste * °°° nb_seen_in_paste
ZADD - 'nb_seen_hash:'+hash paste * nb_seen_in_paste
ZADD - 'base64_hash:'+hash paste * nb_seen_in_paste
ZADD - 'binary_hash:'+hash paste * nb_seen_in_paste
ZADD - 'hash_type:'+type date °°° nb_seen
ZADD - 'hash_type:'+type date nb_seen
ZADD - 'base64_type:'+type date nb_seen
ZADD - 'binary_type:'+type date nb_seen

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@ -32,7 +32,6 @@ signal.signal(signal.SIGALRM, timeout_handler)
def hex_decoder(hexStr):
#hexStr = ''.join( hex_string.split(" ") )
print( bytes(bytearray([int(hexStr[i:i+2], 16) for i in range(0, len(hexStr), 2)])) )
return bytes(bytearray([int(hexStr[i:i+2], 16) for i in range(0, len(hexStr), 2)]))
def binary_decoder(binary_string):
@ -43,11 +42,7 @@ def base64_decoder(base64_string):
def decode_string(content, message, date, encoded_list, decoder_name, encoded_min_size):
find = False
print('list')
print(encoded_min_size)
print(encoded_list)
for encoded in encoded_list:
print(len(encoded))
if len(encoded) >= encoded_min_size:
decode = decoder_function[decoder_name](encoded)
find = True
@ -79,6 +74,7 @@ def save_hash(decoder_name, message, date, decoded):
date_paste = '{}/{}/{}'.format(date[0:4], date[4:6], date[6:8])
date_key = date[0:4] + date[4:6] + date[6:8]
serv_metadata.zincrby('hash_date:'+date_key, hash, 1)
serv_metadata.zincrby(decoder_name+'_date:'+date_key, hash, 1)
# first time we see this hash
@ -93,14 +89,16 @@ def save_hash(decoder_name, message, date, decoded):
print('first '+decoder_name)
serv_metadata.hincrby('metadata_hash:'+hash, 'nb_seen_in_all_pastes', 1)
serv_metadata.sadd('hash_paste:'+message, hash) # paste - hash map
serv_metadata.sadd(decoder_name+'_paste:'+message, hash) # paste - hash map
serv_metadata.sadd(decoder_name+'_paste:'+message, hash) # paste - hash map
serv_metadata.zincrby('nb_seen_hash:'+hash, message, 1)# hash - paste map
serv_metadata.zincrby(decoder_name+'_hash:'+hash, message, 1)# hash - paste map
# create hash metadata
serv_metadata.hset('metadata_hash:'+hash, 'estimated_type', type)
serv_metadata.sadd('hash_all_type', type)
serv_metadata.sadd('hash_'+ decoder_name +'_all_type', type)
serv_metadata.zincrby('hash_type:'+type, date_key, 1)
serv_metadata.zincrby(decoder_name+'_type:'+type, date_key, 1)
save_hash_on_disk(decoded, type, hash, json_data)
@ -171,9 +169,9 @@ if __name__ == '__main__':
regex_hex = '[A-Fa-f0-9]{40,}'
regex_base64 = '(?:[A-Za-z0-9+/]{4}){2,}(?:[A-Za-z0-9+/]{2}[AEIMQUYcgkosw048]=|[A-Za-z0-9+/][AQgw]==)'
'''re.compile(regex_binary)
re.compile(regex_binary)
re.compile(regex_hex)
re.compile(regex_base64)'''
re.compile(regex_base64)
# map decoder function
decoder_function = {'binary':binary_decoder,'hex':hex_decoder, 'base64':base64_decoder}
@ -213,11 +211,7 @@ if __name__ == '__main__':
# max execution time on regex
signal.alarm(decoder['max_execution_time'])
try:
print(content)
encoded_list = re.findall(decoder['regex'], content)
#encoded_list = re.findall(decoder['regex'], content)
print(decoder['regex'])
print(encoded_list)
except TimeoutException:
encoded_list = []
p.incr_module_timeout_statistic() # add encoder type

View file

@ -117,6 +117,10 @@ publish = Redis_Duplicate,Redis_alertHandler,Redis_Tags
subscribe = Redis_ApiKey
publish = Redis_Duplicate,Redis_alertHandler,Redis_Tags
[Decoder]
subscribe = Redis_Global
publish = Redis_Duplicate,Redis_alertHandler,Redis_Tags
[Base64]
subscribe = Redis_Global
publish = Redis_Duplicate,Redis_alertHandler,Redis_Tags