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Update phishing_catcher.py #10

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Update phishing_catcher.py #10

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5da8208
Update phishing_catcher.py
soufianetahiri Jan 26, 2021
450a9b7
Update requirements.txt
soufianetahiri Jan 26, 2021
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10 changes: 8 additions & 2 deletions bin/phishing_catcher.py
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Original file line number Diff line number Diff line change
Expand Up @@ -40,7 +40,7 @@
app_home = "{}/etc/apps/OSweep".format(os.environ['SPLUNK_HOME'])
tp_modules = "{}/bin/_tp_modules".format(app_home)
sys.path.insert(0, tp_modules)
import entropy
import math
import pylev
import tld
import yaml
Expand All @@ -60,6 +60,12 @@ def get_modules():
return
return suspicious, confusables

def entropy(string):
"""Calculates the Shannon entropy of a string"""
prob = [ float(string.count(c)) / len(string) for c in dict.fromkeys(list(string)) ]
entropy = - sum([ p * math.log(p) / math.log(2.0) for p in prob ])
return entropy

def request_module(session, filename):
"""Return a list of tags."""
base_url = "https://raw.githubusercontent.com/x0rz/phishing_catcher/master{}"
Expand Down Expand Up @@ -125,7 +131,7 @@ def score_domain(provided_ioc):
except Exception:
domain = provided_ioc

score += int(round(entropy.shannon_entropy(domain)*50))
score += int(round(entropy(domain)*10))
domain = confusables.unconfuse(domain)
words_in_domain = re.split("\W+", domain)

Expand Down
1 change: 0 additions & 1 deletion bin/requirements.txt
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Original file line number Diff line number Diff line change
@@ -1,5 +1,4 @@
bs4
entropy
HTMLParser
pylev
PySocks
Expand Down