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IOCextractor.py
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IOCextractor.py
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#!/usr/bin/env python
# -*- coding: utf-8 -*-
#This script helps extract indicators of compromise (IOCs) from a text file.
#A user can add or remove tagged indicators then export the remaining tags.
#Usage: "python IOCextractor.py" or "python IOCextractor.py document.txt"
#2012 Stephen Brannon, Verizon RISK Team
import re
import sys
from Tkinter import *
from tkFileDialog import askopenfilename, asksaveasfilename, askdirectory
import cybox.api as cybox_api
try:
from ioc_writer import ioc_api, ioc_common
ioc_writer_available = True
except ImportError, e:
print 'ERROR: Could not load ioc_writer. Will not be able to export IOCs in OpenIOC 1.1 format.'
ioc_writer_available = False
tags = ['md5', 'ipv4', 'url', 'domain', 'email']
reMD5 = r"([A-F]|[0-9]){32}"
reIPv4 = r"\b(?:(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)(\.|\[\.\])){3}(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)"
reURL = r"[A-Z0-9\-\.\[\]]+(\.|\[\.\])(XN--CLCHC0EA0B2G2A9GCD|XN--HGBK6AJ7F53BBA|XN--HLCJ6AYA9ESC7A|XN--11B5BS3A9AJ6G|XN--MGBERP4A5D4AR|XN--XKC2DL3A5EE0H|XN--80AKHBYKNJ4F|XN--XKC2AL3HYE2A|XN--LGBBAT1AD8J|XN--MGBC0A9AZCG|XN--9T4B11YI5A|XN--MGBAAM7A8H|XN--MGBAYH7GPA|XN--MGBBH1A71E|XN--FPCRJ9C3D|XN--FZC2C9E2C|XN--YFRO4I67O|XN--YGBI2AMMX|XN--3E0B707E|XN--JXALPDLP|XN--KGBECHTV|XN--OGBPF8FL|XN--0ZWM56D|XN--45BRJ9C|XN--80AO21A|XN--DEBA0AD|XN--G6W251D|XN--GECRJ9C|XN--H2BRJ9C|XN--J6W193G|XN--KPRW13D|XN--KPRY57D|XN--PGBS0DH|XN--S9BRJ9C|XN--90A3AC|XN--FIQS8S|XN--FIQZ9S|XN--O3CW4H|XN--WGBH1C|XN--WGBL6A|XN--ZCKZAH|XN--P1AI|MUSEUM|TRAVEL|AERO|ARPA|ASIA|COOP|INFO|JOBS|MOBI|NAME|BIZ|CAT|COM|EDU|GOV|INT|MIL|NET|ORG|PRO|TEL|XXX|AC|AD|AE|AF|AG|AI|AL|AM|AN|AO|AQ|AR|AS|AT|AU|AW|AX|AZ|BA|BB|BD|BE|BF|BG|BH|BI|BJ|BM|BN|BO|BR|BS|BT|BV|BW|BY|BZ|CA|CC|CD|CF|CG|CH|CI|CK|CL|CM|CN|CO|CR|CU|CV|CW|CX|CY|CZ|DE|DJ|DK|DM|DO|DZ|EC|EE|EG|ER|ES|ET|EU|FI|FJ|FK|FM|FO|FR|GA|GB|GD|GE|GF|GG|GH|GI|GL|GM|GN|GP|GQ|GR|GS|GT|GU|GW|GY|HK|HM|HN|HR|HT|HU|ID|IE|IL|IM|IN|IO|IQ|IR|IS|IT|JE|JM|JO|JP|KE|KG|KH|KI|KM|KN|KP|KR|KW|KY|KZ|LA|LB|LC|LI|LK|LR|LS|LT|LU|LV|LY|MA|MC|MD|ME|MG|MH|MK|ML|MM|MN|MO|MP|MQ|MR|MS|MT|MU|MV|MW|MX|MY|MZ|NA|NC|NE|NF|NG|NI|NL|NO|NP|NR|NU|NZ|OM|PA|PE|PF|PG|PH|PK|PL|PM|PN|PR|PS|PT|PW|PY|QA|RE|RO|RS|RU|RW|SA|SB|SC|SD|SE|SG|SH|SI|SJ|SK|SL|SM|SN|SO|SR|ST|SU|SV|SX|SY|SZ|TC|TD|TF|TG|TH|TJ|TK|TL|TM|TN|TO|TP|TR|TT|TV|TW|TZ|UA|UG|UK|US|UY|UZ|VA|VC|VE|VG|VI|VN|VU|WF|WS|YE|YT|ZA|ZM|ZW)(/\S+)"
reDomain = r"[A-Z0-9\-\.\[\]]+(\.|\[\.\])(XN--CLCHC0EA0B2G2A9GCD|XN--HGBK6AJ7F53BBA|XN--HLCJ6AYA9ESC7A|XN--11B5BS3A9AJ6G|XN--MGBERP4A5D4AR|XN--XKC2DL3A5EE0H|XN--80AKHBYKNJ4F|XN--XKC2AL3HYE2A|XN--LGBBAT1AD8J|XN--MGBC0A9AZCG|XN--9T4B11YI5A|XN--MGBAAM7A8H|XN--MGBAYH7GPA|XN--MGBBH1A71E|XN--FPCRJ9C3D|XN--FZC2C9E2C|XN--YFRO4I67O|XN--YGBI2AMMX|XN--3E0B707E|XN--JXALPDLP|XN--KGBECHTV|XN--OGBPF8FL|XN--0ZWM56D|XN--45BRJ9C|XN--80AO21A|XN--DEBA0AD|XN--G6W251D|XN--GECRJ9C|XN--H2BRJ9C|XN--J6W193G|XN--KPRW13D|XN--KPRY57D|XN--PGBS0DH|XN--S9BRJ9C|XN--90A3AC|XN--FIQS8S|XN--FIQZ9S|XN--O3CW4H|XN--WGBH1C|XN--WGBL6A|XN--ZCKZAH|XN--P1AI|MUSEUM|TRAVEL|AERO|ARPA|ASIA|COOP|INFO|JOBS|MOBI|NAME|BIZ|CAT|COM|EDU|GOV|INT|MIL|NET|ORG|PRO|TEL|XXX|AC|AD|AE|AF|AG|AI|AL|AM|AN|AO|AQ|AR|AS|AT|AU|AW|AX|AZ|BA|BB|BD|BE|BF|BG|BH|BI|BJ|BM|BN|BO|BR|BS|BT|BV|BW|BY|BZ|CA|CC|CD|CF|CG|CH|CI|CK|CL|CM|CN|CO|CR|CU|CV|CW|CX|CY|CZ|DE|DJ|DK|DM|DO|DZ|EC|EE|EG|ER|ES|ET|EU|FI|FJ|FK|FM|FO|FR|GA|GB|GD|GE|GF|GG|GH|GI|GL|GM|GN|GP|GQ|GR|GS|GT|GU|GW|GY|HK|HM|HN|HR|HT|HU|ID|IE|IL|IM|IN|IO|IQ|IR|IS|IT|JE|JM|JO|JP|KE|KG|KH|KI|KM|KN|KP|KR|KW|KY|KZ|LA|LB|LC|LI|LK|LR|LS|LT|LU|LV|LY|MA|MC|MD|ME|MG|MH|MK|ML|MM|MN|MO|MP|MQ|MR|MS|MT|MU|MV|MW|MX|MY|MZ|NA|NC|NE|NF|NG|NI|NL|NO|NP|NR|NU|NZ|OM|PA|PE|PF|PG|PH|PK|PL|PM|PN|PR|PS|PT|PW|PY|QA|RE|RO|RS|RU|RW|SA|SB|SC|SD|SE|SG|SH|SI|SJ|SK|SL|SM|SN|SO|SR|ST|SU|SV|SX|SY|SZ|TC|TD|TF|TG|TH|TJ|TK|TL|TM|TN|TO|TP|TR|TT|TV|TW|TZ|UA|UG|UK|US|UY|UZ|VA|VC|VE|VG|VI|VN|VU|WF|WS|YE|YT|ZA|ZM|ZW)\b"
reEmail = r"\b[A-Za-z0-9._%+-]+(@|\[@\])[A-Za-z0-9.-]+(\.|\[\.\])(XN--CLCHC0EA0B2G2A9GCD|XN--HGBK6AJ7F53BBA|XN--HLCJ6AYA9ESC7A|XN--11B5BS3A9AJ6G|XN--MGBERP4A5D4AR|XN--XKC2DL3A5EE0H|XN--80AKHBYKNJ4F|XN--XKC2AL3HYE2A|XN--LGBBAT1AD8J|XN--MGBC0A9AZCG|XN--9T4B11YI5A|XN--MGBAAM7A8H|XN--MGBAYH7GPA|XN--MGBBH1A71E|XN--FPCRJ9C3D|XN--FZC2C9E2C|XN--YFRO4I67O|XN--YGBI2AMMX|XN--3E0B707E|XN--JXALPDLP|XN--KGBECHTV|XN--OGBPF8FL|XN--0ZWM56D|XN--45BRJ9C|XN--80AO21A|XN--DEBA0AD|XN--G6W251D|XN--GECRJ9C|XN--H2BRJ9C|XN--J6W193G|XN--KPRW13D|XN--KPRY57D|XN--PGBS0DH|XN--S9BRJ9C|XN--90A3AC|XN--FIQS8S|XN--FIQZ9S|XN--O3CW4H|XN--WGBH1C|XN--WGBL6A|XN--ZCKZAH|XN--P1AI|MUSEUM|TRAVEL|AERO|ARPA|ASIA|COOP|INFO|JOBS|MOBI|NAME|BIZ|CAT|COM|EDU|GOV|INT|MIL|NET|ORG|PRO|TEL|XXX|AC|AD|AE|AF|AG|AI|AL|AM|AN|AO|AQ|AR|AS|AT|AU|AW|AX|AZ|BA|BB|BD|BE|BF|BG|BH|BI|BJ|BM|BN|BO|BR|BS|BT|BV|BW|BY|BZ|CA|CC|CD|CF|CG|CH|CI|CK|CL|CM|CN|CO|CR|CU|CV|CW|CX|CY|CZ|DE|DJ|DK|DM|DO|DZ|EC|EE|EG|ER|ES|ET|EU|FI|FJ|FK|FM|FO|FR|GA|GB|GD|GE|GF|GG|GH|GI|GL|GM|GN|GP|GQ|GR|GS|GT|GU|GW|GY|HK|HM|HN|HR|HT|HU|ID|IE|IL|IM|IN|IO|IQ|IR|IS|IT|JE|JM|JO|JP|KE|KG|KH|KI|KM|KN|KP|KR|KW|KY|KZ|LA|LB|LC|LI|LK|LR|LS|LT|LU|LV|LY|MA|MC|MD|ME|MG|MH|MK|ML|MM|MN|MO|MP|MQ|MR|MS|MT|MU|MV|MW|MX|MY|MZ|NA|NC|NE|NF|NG|NI|NL|NO|NP|NR|NU|NZ|OM|PA|PE|PF|PG|PH|PK|PL|PM|PN|PR|PS|PT|PW|PY|QA|RE|RO|RS|RU|RW|SA|SB|SC|SD|SE|SG|SH|SI|SJ|SK|SL|SM|SN|SO|SR|ST|SU|SV|SX|SY|SZ|TC|TD|TF|TG|TH|TJ|TK|TL|TM|TN|TO|TP|TR|TT|TV|TW|TZ|UA|UG|UK|US|UY|UZ|VA|VC|VE|VG|VI|VN|VU|WF|WS|YE|YT|ZA|ZM|ZW)\b"
def dotToNum(ip): return int(''.join(["%02x"%int(i) for i in ip.split('.')]),16)
def tag_initial():
lines = text.get(1.0, 'end').split('\n')
#md5
text.tag_configure('md5', background='#FE6AA8')
linenumber = 1
for line in lines:
for m in re.finditer(reMD5, line, re.IGNORECASE):
text.tag_add('md5',str(linenumber) + '.' + str(m.start()), str(linenumber) + '.' + str(m.end()))
linenumber += 1
#ipv4
text.tag_configure('ipv4', background='#6CB23E')
linenumber = 1
for line in lines:
for m in re.finditer(reIPv4, line, re.IGNORECASE):
result = text.get(str(linenumber) + '.' + str(m.start()), str(linenumber) + '.' + str(m.end()))
result = result.replace('[','').replace(']','') #remove brackets
#reject private, link-local, and loopback IPs
if result.find('10.') != 0 and \
result.find('192.168') != 0 and \
result.find('127') != 0:
if (dotToNum(result) < dotToNum('172.16.0.0') or \
dotToNum(result) > dotToNum('172.31.255.255')) and \
(dotToNum(result) < dotToNum('169.254.1.0') or \
dotToNum(result) > dotToNum('169.254.254.255')):
text.tag_add('ipv4',str(linenumber) + '.' + str(m.start()), str(linenumber) + '.' + str(m.end()))
linenumber += 1
#url
text.tag_configure('url', background='#378A20')
linenumber = 1
for line in lines:
for m in re.finditer(reURL, line, re.IGNORECASE):
result = text.get(str(linenumber) + '.' + str(m.start()), str(linenumber) + '.' + str(m.end()))
end = m.end()
#drop trailing punctuation
while (u'.,\u201d"\'\u2019').find(result[len(result)-1:len(result)]) != -1:
result = result[:len(result)-1]
end -= 1
text.tag_add('url',str(linenumber) + '.' + str(m.start()), str(linenumber) + '.' + str(end))
linenumber += 1
#domain
text.tag_configure('domain', background='#5DC5D1')
linenumber = 1
for line in lines:
for m in re.finditer(reDomain, line, re.IGNORECASE):
#reject if preceding character is @ or following character is /
if not text.get(str(linenumber) + '.' + str(m.start()-1), str(linenumber) + '.' + str(m.start())) == '@':
if not text.get(str(linenumber) + '.' + str(m.end()), str(linenumber) + '.' + str(m.end()+1)) == '/':
text.tag_add('domain',str(linenumber) + '.' + str(m.start()), str(linenumber) + '.' + str(m.end()))
linenumber += 1
#email
text.tag_configure('email', background='#0224F2')
linenumber = 1
for line in lines:
for m in re.finditer(reEmail, line, re.IGNORECASE):
#reject verizon emails
result = text.get(str(linenumber) + '.' + str(m.start()), str(linenumber) + '.' + str(m.end()))
if result.find('@verizon.com') == -1 and \
result.find('@verizonbusiness.com') == -1 and \
result.find('@one.verizon.com') == -1 and \
result.find('@jp.verizonbusiness.com') == -1:
text.tag_add('email',str(linenumber) + '.' + str(m.start()), str(linenumber) + '.' + str(m.end()))
linenumber += 1
def askopen(filename = ''):
if filename == '':
filename = askopenfilename(title="Select plain-text file", filetypes=[("txt file",".txt"),("All files",".*")])
if filename != '':
with open(filename, 'rb') as f: #read as binary
doc = f.read()
doc = doc.decode('utf_8', 'ignore') #drop any non-ascii bytes
#if a carriage return is orphaned, replace it with a new line
doc = list(doc)
i = 0
while (i < len(doc) - 1):
if ord(doc[i]) == 13: #it's a carriage return
if ord(doc[i + 1]) != 10: #it's not followed by a new line
doc[i] = chr(10) #replace it with a new line
i += 1
if ord(doc[len(doc)-1]) == 13: #end
doc[len(doc)-1] = chr(10)
#drop carriage returns
i = 0
while (i < len(doc) - 1):
if ord(doc[i]) == 13: #it's a carriage return
doc.pop(i)
else:
i += 1
doc = ''.join(doc)
text.delete('1.0',END)
text.insert('1.0', doc)
tag_initial()
root.title(filename + ' - IOCextractor')
def clear_tag(holder = 0):
if len(text.tag_ranges("sel")) != 0: #selection is not empty
#untag all occurrences of selected string
key = text.get(text.tag_ranges("sel")[0], text.tag_ranges("sel")[1])
lines = text.get(1.0, 'end').split('\n')
linenumber = 1
for line in lines:
for m in re.finditer(re.escape(key), line, re.IGNORECASE):
for t in tags:
text.tag_remove(t, str(linenumber) + '.' + str(m.start()), str(linenumber) + '.' + str(m.end()))
linenumber += 1
for t in tags: #necessary backup in case the regex fails to match
text.tag_remove(t, text.tag_ranges("sel")[0], text.tag_ranges("sel")[1])
def tag_new(tag):
if len(text.tag_ranges("sel")) != 0: #selection is not empty
#remove any newline characters from the selection
if '\n' in text.get(text.tag_ranges("sel")[0], text.tag_ranges("sel")[1]):
line_start = (str(text.tag_ranges("sel")[0]).split('.'))[1]
newline_index = text.get(text.tag_ranges("sel")[0], text.tag_ranges("sel")[1]).index('\n')
del_line = str(text.tag_ranges("sel")[0]).split('.')[0]
del_position = str(int(line_start) + int(newline_index))
text.delete(del_line + '.' + del_position)
#tag all occurences of selected string
key = text.get(text.tag_ranges("sel")[0], text.tag_ranges("sel")[1])
lines = text.get(1.0, 'end').split('\n')
linenumber = 1
for line in lines:
for m in re.finditer(re.escape(key), line, re.IGNORECASE):
for t in tags:
text.tag_add(tag, str(linenumber) + '.' + str(m.start()), str(linenumber) + '.' + str(m.end()))
linenumber += 1
def export_console():
#need better way to iterate through highlights and remove brackets
for t in tags:
indicators = []
print(t + ':')
myhighlights = text.tag_ranges(t)
mystart = 0
for h in myhighlights:
if mystart == 0:
mystart = h
else:
mystop = h
if t == 'md5': #make all hashes uppercase
if not text.get(mystart,mystop).upper() in indicators:
indicators.append(text.get(mystart,mystop).upper())
else:
if not text.get(mystart,mystop).replace('[.]','.').replace('[@]','@') in indicators:
indicators.append(text.get(mystart,mystop).replace('[.]','.').replace('[@]','@'))
mystart = 0
for i in indicators:
print(i)
print()
def export_csv():
filename = asksaveasfilename(title="Save As", filetypes=[("csv file",".csv"),("All files",".*")])
if filename != '':
output = 'IOC,Type\n'
#need better way to iterate through highlights and remove brackets
for t in tags:
indicators = []
myhighlights = text.tag_ranges(t)
mystart = 0
for h in myhighlights:
if mystart == 0:
mystart = h
else:
mystop = h
if t == 'md5': #make all hashes uppercase
if not text.get(mystart,mystop).upper() in indicators:
indicators.append(text.get(mystart,mystop).upper())
else:
if not text.get(mystart,mystop).replace('[.]','.').replace('[@]','@') in indicators:
indicators.append(text.get(mystart,mystop).replace('[.]','.').replace('[@]','@'))
mystart = 0
for i in indicators:
if i.find(',') == -1: #no commas, print normally
output += str(i) + ',' + t + '\n'
else: #internal comma, surround in double quotes
output += '"' + str(i) + '",' + t + '\n'
if len(filename) - filename.find('.csv') != 4:
filename += '.csv' #add .csv extension if missing
with open(filename, 'w') as f:
f.write(output)
def export_cybox():
filename = asksaveasfilename(title="Save As", filetypes=[("xml file",".xml"),("All files",".*")])
observables_doc = None
if filename:
observables = []
for t in tags:
indicators = []
myhighlights = text.tag_ranges(t)
mystart = 0
for h in myhighlights:
if mystart == 0:
mystart = h
else:
mystop = h
value = text.get(mystart,mystop).replace('[.]','.').replace('[@]','@')
if t == 'md5':
value = value.upper()
if value not in indicators:
observable = cybox_api.create_file_hash_observable('', value, 'MD5')
observables.append(observable)
indicators.append(value)
elif t == 'ipv4':
if not value in indicators:
observable = cybox_api.create_ipv4_observable(value)
observables.append(observable)
indicators.append(value)
elif t == 'domain':
if not value in indicators:
observable = cybox_api.create_domain_name_observable(value)
observables.append(observable)
indicators.append(value)
elif t == 'url':
if not value in indicators:
observable = cybox_api.create_url_observable(value)
observables.append(observable)
indicators.append(value)
elif t == 'email':
if not value in indicators:
observable = cybox_api.create_email_address_observable(value)
observables.append(observable)
indicators.append(value)
mystart = 0
# end if
# end for
# end for
if len(observables) > 0:
observables_doc = cybox_api.create_observables_document(observables)
if len(filename) - filename.find('.xml') != 4:
filename = "%s.xml" % filename #add .xml extension if missing
# end if
f = open(filename, "wb")
observables_doc.export(f, 0)
f.close()
# end if
def export_openioc():
'''
Export the tagged items in OpenIOC 1.1 format.
This prompts the user to determine which directory they want the IOC saved
out too.
Email tags default to 'Email/From' address, implying that the email address
found is the source address of an email. This may not be accurate in all
cases.
'''
def make_network_uri(uri, condition='contains', negate=False, preserve_case = False):
document = 'Network'
search = 'Network/URI'
content_type = 'string'
content = uri
IndicatorItem_node = ioc_api.make_IndicatorItem_node(condition, document, search, content_type, content, negate=negate, preserve_case=preserve_case, context_type = None)
return IndicatorItem_node
def make_email_from(from_address, condition='contains', negate=False, preserve_case = False):
document = 'Email'
search = 'Email/From'
content_type = 'string'
content = from_address
IndicatorItem_node = ioc_api.make_IndicatorItem_node(condition, document, search, content_type, content, negate=negate, preserve_case=preserve_case, context_type = None)
return IndicatorItem_node
output_directory = askdirectory(title = "Save IOC To")
if output_directory:
indicator_nodes = []
for tag in tags:
temp_indicators = []
myhighlights = text.tag_ranges(tag)
mystart = 0
for h in myhighlights:
if mystart == 0:
mystart = h
else:
mystop = h
# Deobfuscate ip addresses, domain names and email addresses
value = text.get(mystart,mystop).replace('[.]','.').replace('[@]','@')
if tag == 'md5':
value = value.upper()
if value not in temp_indicators:
indicator_node = ioc_common.make_fileitem_md5sum(value)
indicator_nodes.append(indicator_node)
temp_indicators.append(value)
elif tag == 'ipv4':
if value not in temp_indicators:
indicator_node = ioc_common.make_portitem_remoteip(value)
indicator_nodes.append(indicator_node)
temp_indicators.append(value)
elif tag == 'domain':
if value not in temp_indicators:
indicator_node = ioc_common.make_dnsentryitem_recordname(value)
indicator_nodes.append(indicator_node)
temp_indicators.append(value)
elif tag == 'url':
if value not in temp_indicators:
indicator_node = make_network_uri(value)
indicator_nodes.append(indicator_node)
temp_indicators.append(value)
elif tag == 'email':
if value not in temp_indicators:
indicator_node = make_email_from(value)
indicator_nodes.append(indicator_node)
temp_indicators.append(value)
else:
print 'Unknown tag encountered [%s]' % str(tag)
mystart = 0
if len(indicator_nodes) > 0:
ioc_obj = ioc_api.IOC(name = "IOC Extractor", description = "IOC generated with IOCExtractor")
for indicator in indicator_nodes:
ioc_obj.top_level_indicator.append(indicator)
ioc_obj.write_ioc_to_file(output_directory)
return True
root = Tk()
root.title('IOCextractor')
topframe = Frame(root)
topframe.pack()
bottomframe = Frame(root)
bottomframe.pack(side=BOTTOM)
openb = Button(topframe, text = "Open File", command = askopen)
openb.pack(side=LEFT)
clear = Button(topframe, text = "Clear", command = clear_tag)
clear.pack({"side": "left"})
md5 = Button(topframe, text = "MD5", command = lambda: tag_new('md5'), bg = "#FE6AA8")
md5.pack({"side": "left"})
ipv4 = Button(topframe, text = "IPV4", command = lambda: tag_new('ipv4'), bg = "#6CB23E")
ipv4.pack({"side": "left"})
url = Button(topframe, text = "URL", command = lambda: tag_new('url'), bg = "#378A20")
url.pack({"side": "left"})
domain = Button(topframe, text = "Domain", command = lambda: tag_new('domain'), bg = "#5DC5D1")
domain.pack({"side": "left"})
email = Button(topframe, text = "Email", command = lambda: tag_new('email'), bg = "#0224F2")
email.pack({"side": "left"})
export_console = Button(topframe, text = "Export Console", command = export_console)
export_console.pack({"side": "left"})
export_csv = Button(topframe, text = "Export CSV", command = export_csv)
export_csv.pack({"side": "left"})
export_cybox = Button(topframe, text = "Export CybOX", command = export_cybox)
export_cybox.pack({"side": "left"})
if ioc_writer_available:
export_openioc = Button(topframe, text = "Export OpenIOC 1.1", command = export_openioc)
export_openioc.pack({"side" : "left"})
#build main text area
text = Text(bottomframe, width=120, height=50)
text.pack({"side": "left"})
scrollbar = Scrollbar(bottomframe)
scrollbar.pack({"side": "left", "fill" : "y"})
scrollbar.config(command = text.yview)
text.config(yscrollcommand = scrollbar.set)
text.bind('<Button-3>', clear_tag) #right-click selection to untag (Windows, Linux)
text.bind('<Command-Button-1>', clear_tag) #command-click selection to untag (Mac)
#insert doc if received as commandline argument
if len(sys.argv) == 2:
askopen(sys.argv[1])
root.mainloop()