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ews.py
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#!/usr/bin/env python
# -*- coding: utf-8 -*-
import re
import sys
import os
import time
import ConfigParser
import hashlib
from linecache import getline, clearcache
from datetime import datetime
from lxml import etree
from copy import deepcopy
import glob
import ast
from moduls.exml import ewsauth, ewsalert
from moduls.einit import locksocket, ecfg, daycounterreset
from moduls.elog import logme
from moduls.etoolbox import ip4or6, readcfg, readonecfg, timestamp, calcminmax, countme, checkForPublicIP, getOwnExternalIP, getHostname, getOwnInternalIP, resolveHost
import sqlite3
import MySQLdb.cursors
import requests
import random
import base64
import urllib
import hpfeeds
import fnmatch
import json
import OpenSSL.SSL
import ipaddress
from collections import OrderedDict
import logging
import socket
from xmljson import BadgerFish
name = "EWS Poster"
version = "v1.9.6"
def init():
global hostname
global externalIP
global internalIP
global hpc
hostname = getHostname()
externalIP=ECFG["ip"]
internalIP=getOwnInternalIP()
logging.basicConfig()
hpc = False
def ewswebservice(ems):
MODUL = "ewswebservice"
headers = { 'User-Agent' : name + " " + version,
'Content-type' : 'text/xml',
'SOAPAction' : '',
'charset' : 'UTF-8',
'Connection' : 'close'
}
host = random.choice([ ECFG["rhost_first"] , ECFG["rhost_second"] ])
if ECFG["proxy"] != "NULL" and ECFG["proxy"] != "FALSE":
proxydic = { "https" : ECFG["proxy"] }
else:
proxydic = {}
try:
if not "https" in proxydic:
webservice = requests.post(host,
data=ems,
headers=headers,
allow_redirects=True,
timeout=60,
verify= not ECFG["a.ignorecert"]
)
else:
webservice = requests.post(host,
data=ems,
headers=headers,
allow_redirects=True,
proxies=proxydic,
timeout=60,
verify= not ECFG["a.ignorecert"]
)
webservice.raise_for_status()
xmlresult = re.search('<StatusCode>(.*)</StatusCode>', webservice.text).groups()[0]
if xmlresult != "OK":
logme(MODUL,"XML Result != ok ( %s) (%s)" % (xmlresult,webservice.text) ,("LOG","VERBOSE"),ECFG)
return False
if ECFG["a.verbose"] is True:
logme(MODUL,"---- Webservice Report ----" ,("VERBOSE"),ECFG)
logme(MODUL,"HOST : %s" % (host) ,("VERBOSE"),ECFG)
logme(MODUL,"XML Result : %s" % (xmlresult) ,("VERBOSE"),ECFG)
logme(MODUL,"Statuscode : %s" % (webservice.status_code) ,("VERBOSE"),ECFG)
logme(MODUL,"Header : %s" % (webservice.headers) ,("VERBOSE"),ECFG)
logme(MODUL,"Body : %s" % (webservice.text) ,("VERBOSE"),ECFG)
logme(MODUL,"",("VERBOSE"),ECFG)
return True
except requests.exceptions.Timeout, e:
logme(MODUL,"Timeout to remote host %s (%s)" % (host , str(e)) ,("LOG","VERBOSE"),ECFG)
return False
except requests.exceptions.ConnectionError, e:
logme(MODUL,"Remote host %s didn't answer! (%s)" % (host , str(e)) ,("LOG","VERBOSE"),ECFG)
return False
except requests.exceptions.HTTPError, e:
logme(MODUL,"HTTP Errorcode != 200 (%s)" % (str(e)) ,("LOG","VERBOSE"),ECFG)
return False
except OpenSSL.SSL.WantWriteError, e:
logme(MODUL,"OpenSSL Write Buffer too small",("LOG","VERBOSE"),ECFG)
return False
def viewcounter(MODUL,x,y):
if y == 100:
x += 100
# Inform every 100 send records
logme(MODUL,str(x) +" log entries processed ...",("P2"),ECFG)
y = 1
else:
y += 1
return x,y
def sender():
MODUL = "sender"
def clean_dir(DIR,MODUL):
FILEIN = filelist(DIR)
for files in FILEIN:
if not ".ews" in files:
os.remove(DIR + os.sep + files)
logme(MODUL, "Cleaning spooler dir: %s delete file: %s" % (DIR, files),("LOG"),ECFG)
return()
def check_job(DIR,MODUL):
FILEIN = filelist(DIR)
if len(FILEIN) < 1:
logme(MODUL, "Sender : No Jobs to send in %s" % (DIR),("P1"),ECFG)
return False
else:
logme(MODUL, "Sender : There are %s jobs to send in %s" %(str(len(FILEIN)),DIR),("P1"),ECFG)
return True
def send_job(DIR,MODUL):
FILEIN = filelist(DIR)
for files in FILEIN:
with open(DIR + os.sep + files,'r') as alert:
EWSALERT = alert.read()
alert.close()
if ewswebservice(EWSALERT) is True:
os.remove(DIR + os.sep + files)
else:
fpart = files.split('.')
if len(fpart) == 2:
newname = fpart[0] + ".1." + fpart[1]
else:
newname = fpart[0] + "." + str(int(fpart[1]) + 1) + "." + fpart[2]
os.rename(DIR + os.sep + files, DIR + os.sep + newname)
return
def del_job(DIR,MODUL):
FILEIN = filelist(DIR)
for files in FILEIN:
fpart = files.split('.')
if len(fpart) == 3 and int(fpart[1]) > 4:
logme(MODUL, "Cleaning spooler dir: %s delete file: %s reached max transmit counter !" % (DIR, files),("LOG"),ECFG)
os.remove(DIR + os.sep + files)
def filelist(DIR):
if os.path.isdir(DIR) is not True:
logme(MODUL,"Error missing dir " + DIR + " Abort !",("P1","EXIT"),ECFG)
else:
return os.listdir(DIR)
clean_dir(ECFG["spooldir"],MODUL)
del_job(ECFG["spooldir"],MODUL)
if check_job(ECFG["spooldir"],MODUL) is False:
return
send_job(ECFG["spooldir"],MODUL)
return
def buildews(esm,DATA,REQUEST,ADATA):
ewsalert(esm,DATA,REQUEST,ADATA)
if int(esm.xpath('count(//Alert)')) >= 100:
sendews(esm)
esm = ewsauth(ECFG["username"],ECFG["token"])
return esm
def sendews(esm):
if ECFG["a.ewsonly"] is True:
writeews(etree.tostring(esm, pretty_print=True))
return
if ECFG["a.debug"] is True:
writeews(etree.tostring(esm, pretty_print=True))
if ECFG["ews"] is True and ewswebservice(etree.tostring(esm)) is not True:
writeews(etree.tostring(esm, pretty_print=True))
if ECFG["hpfeed"] is True:
if ECFG["hpfformat"].lower() == "json":
hpfeedsend(esm, "json")
else:
hpfeedsend(esm, "xml")
return
def writeews(EWSALERT):
with open(ECFG["spooldir"] + os.sep + timestamp() + ".ews",'w') as f:
f.write(EWSALERT)
f.close()
return True
def md5malware(malware_md5):
#create file if its not present
with open(ECFG["homedir"] + os.sep + "malware.md5", "a+") as malwarefile:
# empty file
if os.stat(ECFG["homedir"] + os.sep + "malware.md5").st_size == 0:
malwarefile.write(malware_md5+"\n")
malwarefile.close()
return True
if malware_md5 in open(ECFG["homedir"] + os.sep + "malware.md5", "r").read():
malwarefile.close
return False
else:
malwarefile.write(malware_md5+"\n")
malwarefile.close
return True
def malware(DIR,FILE,KILL, md5):
if not os.path.isdir(DIR):
return 1,DIR + " DOES NOT EXIST!"
if md5 and not md5malware(md5):
return 1, "Malware MD5 %s already submitted." % md5
if os.path.isfile(DIR + os.sep + FILE) is True:
if os.path.getsize(DIR + os.sep + FILE) <= 5 * 1024 * 1024:
malwarefile = base64.encodestring(open(DIR + os.sep + FILE).read()).strip()
if KILL is True:
os.remove(DIR + os.sep + FILE)
return 0, malwarefile
else:
return 1,"FILE " + DIR + os.sep + FILE + " is bigger than 5 MB!"
else:
return 1, "FILE " + DIR + os.sep + FILE + " DOES NOT EXIST!"
def hpfeedsend(esm, eformat):
global hpc
if not hpc:
return False
# remove auth header
etree.strip_elements(esm, "Authentication")
for i in range(0, len(esm)):
if eformat == "xml":
hpc.publish(ECFG["channels"], etree.tostring(esm[i], pretty_print=False))
if eformat == "json":
bf = BadgerFish(dict_type=OrderedDict)
hpc.publish(ECFG["channels"], json.dumps(bf.data(esm[i])))
# should be removed if no issues can be found. 03-13-19 av
# emsg = hpc.wait()
# if emsg:
# logme("hpfeedsend","HPFeeds Error (%s)" % format(emsg) ,("P1","VERBOSE"),ECFG)
# hpc=False
# return False
return True
def testhpfeedsbroker():
if ECFG["hpfeed"] is True:
# workaround if hpfeeds broker is offline as otherwise hpfeeds lib will loop connection attempt
sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
sock.settimeout(2)
result = sock.connect_ex((ECFG["host"], int(ECFG["port"])))
sock.close()
if result != 0:
# broker unavailable
logme(MODUL, "HPFEEDS broker is configured to {0}:{1} but is currently unavailable. Disabling hpfeeds submission for this round!".format(ECFG["host"], ECFG["port"]), ("P1"), ECFG)
return False
try:
if ECFG["tlscert"].lower() != "false":
hpc = hpfeeds.new(ECFG["host"], int(ECFG["port"]), ECFG["ident"], ECFG["secret"], certfile=ECFG["tlscert"], reconnect=False)
logme("hpfeedsend", "Connecting to %s via TLS" % format(hpc.brokername+"/"+ECFG["host"]+":"+str(ECFG["port"])), ("P3", "VERBOSE"), ECFG)
else:
hpc = hpfeeds.new(ECFG["host"], int(ECFG["port"]), ECFG["ident"], ECFG["secret"], reconnect=False)
logme("hpfeedsend", "Connecting to %s" % format(hpc.brokername+"/"+ECFG["host"]+":"+str(ECFG["port"])), ("P3", "VERBOSE"), ECFG)
return hpc
except hpfeeds.FeedException, e:
logme("hpfeedsend", "HPFeeds Error (%s)" % format(e), ("P1", "VERBOSE"), ECFG)
return False
return False
def buildjson(jesm,DATA,REQUEST,ADATA):
if DATA["sport"] == "":
DATA["sport"] = "0"
jesm += '{"timestamp":"%s","event_type":"alert","src_ip":"%s","src_port":%s,"dest_ip":"%s","dest_port":%s,"honeypot":{"name":"%s","nodeid":"%s"}}' %\
(
("%sT%s.000000" % (DATA["timestamp"][0:10],DATA["timestamp"][11:19])),
DATA["sadr"],
DATA["sport"],
DATA["tadr"],
DATA["tport"],
REQUEST["description"],
DATA["aid"]
)
jesm += "\n"
return jesm
def writejson(jesm):
if len(jesm) > 0 and ECFG["json"] is True:
with open(ECFG["jsondir"],'a+') as f:
f.write(jesm)
f.close()
def verbosemode(MODUL,DATA,REQUEST,ADATA):
logme(MODUL,"---- " + MODUL + " ----" ,("VERBOSE"),ECFG)
logme(MODUL,"Nodeid : %s" % DATA["aid"],("VERBOSE"),ECFG)
logme(MODUL,"Timestamp : %s" % DATA["timestamp"],("VERBOSE"),ECFG)
logme(MODUL,"" ,("VERBOSE"),ECFG)
logme(MODUL,"Source IP : %s" % DATA["sadr"],("VERBOSE"),ECFG)
logme(MODUL,"Source IPv : %s" % DATA["sipv"],("VERBOSE"),ECFG)
logme(MODUL,"Source Port : %s" % DATA["sport"],("VERBOSE"),ECFG)
logme(MODUL,"Source Protocol : %s" % DATA["sprot"],("VERBOSE"),ECFG)
logme(MODUL,"Target IP : %s" % DATA["tadr"],("VERBOSE"),ECFG)
logme(MODUL,"Target IPv : %s" % DATA["tipv"],("VERBOSE"),ECFG)
logme(MODUL,"Target Port : %s" % DATA["tport"],("VERBOSE"),ECFG)
logme(MODUL,"Target Protocol : %s" % DATA["tprot"],("VERBOSE"),ECFG)
for key,value in ADATA.items():
logme(MODUL,"%s : %s" %(key,value) ,("VERBOSE"),ECFG)
logme(MODUL,"" ,("VERBOSE"),ECFG)
return
def glastopfv3():
MODUL = "GLASTOPFV3"
logme(MODUL,"Starting Glastopf V3.x Modul.",("P1"),ECFG)
# collect honeypot config dic
ITEMS = ("glastopfv3","nodeid","sqlitedb","malwaredir")
HONEYPOT = readcfg(MODUL,ITEMS,ECFG["cfgfile"])
HONEYPOT["ip"] = externalIP
# Malwaredir exist ? Issue in Glastopf ! RFI Directory first create when the first RFI was downloaded
#if os.path.isdir(HONEYPOT["malwaredir"]) == False:
# logme(MODUL,"[ERROR] Missing Malware Dir " + HONEYPOT["malwaredir"] + ". Abort !",("P3","LOG"),ECFG)
# return
# is sqlitedb exist ?
if os.path.isfile(HONEYPOT["sqlitedb"]) is False:
logme(MODUL,"[INFO] Missing sqlitedb file " + HONEYPOT["sqlitedb"] + ". Skipping !",("P3","LOG"),ECFG)
return
# open database
con = sqlite3.connect(HONEYPOT["sqlitedb"],30)
con.row_factory = sqlite3.Row
c = con.cursor()
# calculate send limit
try:
c.execute("SELECT max(id) from events")
except:
logme(MODUL,"[INFO] Sqlitedb %s is corrupt or does not contain events. Skipping ! " % HONEYPOT["sqlitedb"] ,("P3","LOG"),ECFG)
return
maxid = c.fetchone()["max(id)"]
if maxid is None:
logme(MODUL,"[INFO] No entry's in Glastopf Database. Skip !",("P2","LOG"),ECFG)
return
imin, imax = calcminmax(MODUL,int(countme(MODUL,'sqliteid',-1,ECFG)),int(maxid),ECFG)
# read alerts from database
c.execute("SELECT * from events where id > ? and id <= ?;",(imin,imax))
rows = c.fetchall()
# counter inits
x = 0 ; y = 1
esm = ewsauth(ECFG["username"],ECFG["token"])
jesm = ""
for row in rows:
x,y = viewcounter(MODUL,x,y)
# filter empty requests and nagios checks
if row["request_url"] == os.sep or row["request_url"] == "/index.do?hash=DEADBEEF&activate=1":
countme(MODUL,'sqliteid',row["id"],ECFG)
continue
# Prepair and collect Alert Data
DATA = {
"aid" : HONEYPOT["nodeid"],
"timestamp" : row["time"],
"sadr" : re.sub(":.*$","",row["source"]),
"sipv" : "ipv" + ip4or6(re.sub(":.*$","",row["source"])),
"sprot" : "tcp",
"sport" : "",
"tipv" : "ipv" + ip4or6(HONEYPOT["ip"]),
"tadr" : HONEYPOT["ip"],
"tprot" : "tcp",
"tport" : "80",
}
REQUEST = {
"description" : "WebHoneypot : Glastopf v3.1",
"url" : urllib.quote(row["request_url"].encode('ascii', 'ignore'))
}
ADATA = {
"sqliteid" : row ["id"],
"hostname": hostname,
"externalIP": externalIP,
"internalIP": internalIP
}
if "request_raw" in row.keys() and len(row["request_raw"]) > 0:
REQUEST["raw"] = base64.encodestring(row["request_raw"].encode('ascii', 'ignore'))
if "filename" in row.keys() and row["filename"] != None and ECFG["send_malware"] == True:
error,malwarefile = malware(HONEYPOT["malwaredir"],row["filename"],ECFG["del_malware_after_send"], False)
if error == 0:
REQUEST["binary"] = malwarefile
else:
logme(MODUL,"Mission Malwarefile %s" % row["filename"] ,("P1","LOG"),ECFG)
# Collect additional Data
if "request_method" in row.keys():
ADATA["httpmethod"] = row["request_method"]
if "request_raw" in row.keys():
m = re.search( r'Host: (\b.+\b)', row["request_raw"] , re.M)
if m:
ADATA["host"] = str(m.group(1))
if "request_header" in row.keys():
if 'Host' in json.loads(row["request_header"]):
ADATA["host"] = str(json.loads(row["request_header"])["Host"])
if "request_body" in row.keys():
if len(row["request_body"]) > 0:
ADATA["requestbody"] = row["request_body"]
esm = buildews(esm,DATA,REQUEST,ADATA)
if "request_body" in row.keys():
if len(row["request_body"]) > 0:
ADATA["requestbody"] = row["request_body"]
esm = buildews(esm,DATA,REQUEST,ADATA)
jesm = buildjson(jesm,DATA,REQUEST,ADATA)
countme(MODUL,'sqliteid',row["id"],ECFG)
countme(MODUL,'daycounter', -2,ECFG)
if ECFG["a.verbose"] is True:
verbosemode(MODUL,DATA,REQUEST,ADATA)
con.close()
if int(esm.xpath('count(//Alert)')) > 0:
sendews(esm)
writejson(jesm)
if y > 1:
logme(MODUL,"%s EWS alert records send ..." % (x+y-1),("P2"),ECFG)
return
def glastopfv2():
MODUL = "GLASTOPFV2"
logme(MODUL,"Starting Glastopf V2 Modul.",("P1"),ECFG)
# collect honeypot config dic
ITEMS = ("glastopfv2","nodeid","mysqlhost","mysqldb","mysqluser","mysqlpw","malwaredir")
HONEYPOT = readcfg(MODUL,ITEMS,ECFG["cfgfile"])
HONEYPOT["ip"] = readonecfg(MODUL,"ip", ECFG["cfgfile"])
if HONEYPOT["ip"].lower() == "false" or HONEYPOT["ip"].lower() == "null":
HONEYPOT["ip"] = ECFG["ip"]
# open database
try:
con = MySQLdb.connect(host=HONEYPOT["mysqlhost"], user=HONEYPOT["mysqluser"], passwd=HONEYPOT["mysqlpw"],
db=HONEYPOT["mysqldb"], cursorclass=MySQLdb.cursors.DictCursor)
except MySQLdb.Error,e:
logme(MODUL,"[ERROR] %s" %(str(e)),("P3","LOG"),ECFG)
return
c = con.cursor()
# calculate send limit
c.execute("SELECT max(id) from log")
maxid = c.fetchone()["max(id)"]
if maxid is None:
logme(MODUL,"[INFO] No entry's in Glastopf Database. Skip!",("P2","LOG"),ECFG)
return
imin, imax = calcminmax(MODUL,int(countme(MODUL,'sqliteid',-1,ECFG)),int(maxid),ECFG)
# read alerts from database
c.execute("SELECT * from log where id > %s and id <= %s;",(imin,imax))
rows = c.fetchall()
# counter inits
x = 0 ; y = 1
esm = ewsauth(ECFG["username"],ECFG["token"])
jesm = ""
for row in rows:
x,y = viewcounter(MODUL,x,y)
# filter nagios checks
if row["req"] == "/index.do?hash=DEADBEEF&activate=1":
countme(MODUL,'mysqlid',row["id"],ECFG)
continue
# Prepair and collect Alert Data
DATA = {
"aid" : HONEYPOT["nodeid"],
"timestamp" : str(row["attime"]),
"sadr" : row["ip"],
"sipv" : "ipv" + ip4or6(row["ip"]),
"sprot" : "tcp",
"sport" : "",
"tipv" : "ipv" + ip4or6(HONEYPOT["ip"]),
"tadr" : HONEYPOT["ip"],
"tprot" : "tcp",
"tport" : "80",
}
REQUEST = {
"description" : "Webhoneypot : Glastopf v2.x",
"url" : urllib.quote(row["req"])
}
# Collect additional Data
ADATA = {
"mysqlid": str(row["id"]),
"host": row["host"],
"hostname": hostname,
"externalIP": externalIP,
"internalIP": internalIP
}
if row["victim"] != "None":
ADATA["victim"] = row["victim"]
if row["filename"] != None and ECFG["send_malware"] == True:
error,malwarefile = malware(HONEYPOT["malwaredir"],row["filename"],ECFG["del_malware_after_send"], False)
if error == 0:
REQUEST["binary"] = malwarefile
else:
logme(MODUL,"Mission Malwarefile %s" % row["filename"] ,("P1","LOG"),ECFG)
# Collect additional Data
ADATA = {
"mysqlid" : str(row ["id"]),
"host" : row["host"],
"hostname": hostname,
"externalIP": externalIP,
"internalIP": internalIP
}
if row["victim"] != "None":
ADATA["victim"] = row["victim"]
# Rest
esm = buildews(esm,DATA,REQUEST, ADATA)
jesm = buildjson(jesm,DATA,REQUEST,ADATA)
countme(MODUL,'mysqlid',row["id"],ECFG)
countme(MODUL,'daycounter', -2,ECFG)
if ECFG["a.verbose"] is True:
verbosemode(MODUL,DATA,REQUEST,ADATA)
con.close()
if int(esm.xpath('count(//Alert)')) > 0:
sendews(esm)
writejson(jesm)
if y > 1:
logme(MODUL,"%s EWS alert records send ..." % (x+y-1),("P2"),ECFG)
return
def kippo():
MODUL = "KIPPO"
logme(MODUL,"Starting Kippo Modul.",("P1"),ECFG)
# collect honeypot config dic
ITEMS = ("kippo","nodeid","mysqlhost","mysqldb","mysqluser","mysqlpw")
HONEYPOT = readcfg(MODUL,ITEMS,ECFG["cfgfile"])
HONEYPOT["ip"] = readonecfg(MODUL,"ip", ECFG["cfgfile"])
if HONEYPOT["ip"].lower() == "false" or HONEYPOT["ip"].lower() == "null":
HONEYPOT["ip"] = ECFG["ip"]
# open database
try:
con = MySQLdb.connect(host=HONEYPOT["mysqlhost"], user=HONEYPOT["mysqluser"], passwd=HONEYPOT["mysqlpw"],
db=HONEYPOT["mysqldb"], cursorclass=MySQLdb.cursors.DictCursor)
except MySQLdb.Error,e:
logme(MODUL,"[ERROR] %s" %(str(e)),("P3","LOG"),ECFG)
c = con.cursor()
# calculate send limit
c.execute("SELECT max(id) from auth")
maxid = c.fetchone()["max(id)"]
if maxid is None:
logme(MODUL,"[INFO] No entry's in Kippo Database. Skip!",("P2","LOG"),ECFG)
return
imin, imax = calcminmax(MODUL,int(countme(MODUL,'sqliteid',-1,ECFG)),int(maxid),ECFG)
# read alerts from database
c.execute("SELECT auth.id, auth.username, auth.password, auth.success, auth.timestamp, auth.session, sessions.starttime, sessions.endtime, sessions.ip, sensors.ip as kippoip, clients.version from auth, sessions, sensors, clients WHERE (sessions.id=auth.session) AND (sessions.sensor = sensors.id) AND (sessions.client = clients.id) AND auth.id > %s and auth.id <= %s ORDER BY auth.id;" % (imin,imax))
rows = c.fetchall()
# counter inits
x = 0 ; y = 1
esm = ewsauth(ECFG["username"],ECFG["token"])
jesm = ""
for row in rows:
x,y = viewcounter(MODUL,x,y)
# Prepair and collect Alert Data
DATA = {
"aid" : HONEYPOT["nodeid"],
"timestamp" : str(row["timestamp"]),
"sadr" : str(row["ip"]),
"sipv" : "ipv" + ip4or6(str(row["ip"])),
"sprot" : "tcp",
"sport" : "",
"tipv" : "ipv" + ip4or6(HONEYPOT["ip"]),
"tadr" : HONEYPOT["ip"],
"tprot" : "tcp",
"tport" : "22",
}
REQUEST = {
"description" : "SSH Honeypot Kippo",
}
# Collect additional Data
if str(row["success"]) == "0":
login = "Fail"
else:
login = "Success"
ADATA = {
"sqliteid" : str(row["id"]),
"starttime" : str(row["starttime"]),
"endtime" : str(row["endtime"]),
"version" : str(row["version"]),
"login" : login,
"username" : str(row["username"]),
"password" : str(row["password"]),
"hostname": hostname,
"externalIP": externalIP,
"internalIP": internalIP
}
esm = buildews(esm,DATA,REQUEST,ADATA)
jesm = buildjson(jesm,DATA,REQUEST,ADATA)
countme(MODUL,'mysqlid',row["id"],ECFG)
countme(MODUL,'daycounter', -2,ECFG)
if ECFG["a.verbose"] is True:
verbosemode(MODUL,DATA,REQUEST,ADATA)
con.close()
if int(esm.xpath('count(//Alert)')) > 0:
sendews(esm)
writejson(jesm)
if y > 1:
logme(MODUL,"%s EWS alert records send ..." % (x+y-1),("P2"),ECFG)
return
def cowrie():
MODUL = "COWRIE"
logme(MODUL,"Starting Cowrie Modul.",("P1"),ECFG)
# session related variables
lastSubmittedLine, firstOpenedWithoutClose = 0, 0
# collect honeypot config dic
ITEMS = ("cowrie","nodeid","logfile")
HONEYPOT = readcfg(MODUL,ITEMS,ECFG["cfgfile"])
HONEYPOT["ip"] = readonecfg(MODUL,"ip", ECFG["cfgfile"])
if HONEYPOT["ip"].lower() == "false" or HONEYPOT["ip"].lower() == "null":
HONEYPOT["ip"] = ECFG["ip"]
# logfile file exists ?
if os.path.isfile(HONEYPOT["logfile"]) is False:
logme(MODUL,"[ERROR] Missing LogFile " + HONEYPOT["logfile"] + ". Skip !",("P3","LOG"),ECFG)
# count limit
imin = int(countme(MODUL,'firstopenedwithoutclose',-1,ECFG))
if imin>0:
imin=imin-1
firstOpenedWithoutClose = imin
lastSubmittedLine=int(countme(MODUL,'lastsubmittedline',-1,ECFG))
if int(ECFG["sendlimit"]) > 0:
logme(MODUL,"Send Limit is set to : " + str(ECFG["sendlimit"]) + ". Adapting to limit!",("P1"),ECFG)
I = 0 ; x = 0 ; y = 1; J = 0
esm = ewsauth(ECFG["username"],ECFG["token"])
jesm = ""
# dict to gather session information
cowriesessions=OrderedDict()
sessionstosend=[]
while True:
if int(ECFG["sendlimit"]) > 0 and J >= int(ECFG["sendlimit"]):
break
I += 1
line = getline(HONEYPOT["logfile"],(imin +I)).rstrip()
currentline=imin + I
if len(line) == 0:
break
else:
# parse json
try:
content = json.loads(line)
except ValueError, e:
logme(MODUL,"Invalid json entry found in line "+str(currentline)+", skipping entry.",("P3"),ECFG)
pass # invalid json
else:
# if new session is started, store session-related info
if (content['eventid'] == "cowrie.session.connect"):
# create empty session content: structure will be the same as kippo, add dst port and commands
# | id | username | password | success | logintimestamp | session | sessionstarttime| sessionendtime | ip | cowrieip | version| src_port|dst_port|dst_ip|commands | successful login
cowriesessions[content["session"]]=[currentline,'','','','',content["session"],content["timestamp"],'',content["src_ip"],content["sensor"],'',content["src_port"],content["dst_port"],content["dst_ip"],"", False]
firstOpenedWithoutClose = cowriesessions.values()[0][0]
# store correponding ssh client version
if (content['eventid'] == "cowrie.client.version"):
if content["session"] in cowriesessions:
cowriesessions[content["session"]][10]=content["version"]
# create successful login
if (content['eventid'] == "cowrie.login.success"):
if content["session"] in cowriesessions:
cowriesessions[content["session"]][3]="Success"
cowriesessions[content["session"]][1]=content["username"]
cowriesessions[content["session"]][2]=content["password"]
cowriesessions[content["session"]][4]=content["timestamp"]
cowriesessions[content["session"]][15]=True
# create failed login
if (content['eventid'] == "cowrie.login.failed"):
if content["session"] in cowriesessions:
cowriesessions[content["session"]][3]="Fail"
cowriesessions[content["session"]][1]=content["username"]
cowriesessions[content["session"]][2]=content["password"]
cowriesessions[content["session"]][4]=content["timestamp"]
if currentline > lastSubmittedLine:
sessionstosend.append(deepcopy(cowriesessions[content["session"]]))
lastSubmittedLine = currentline
J+=1
# store terminal input / commands
if (content['eventid'] == "cowrie.command.input"):
if content["session"] in cowriesessions:
cowriesessions[content["session"]][14]=cowriesessions[content["session"]][14] + "\n" +content["input"]
cowriesessions[content["session"]][15]=True
# store session close
if (content['eventid'] == "cowrie.session.closed"):
if content["session"] in cowriesessions:
if (cowriesessions[content["session"]][5]==content["session"]):
cowriesessions[content["session"]][7]=content["timestamp"]
if currentline > lastSubmittedLine:
if cowriesessions[content["session"]][15]==True:
sessionstosend.append(deepcopy(cowriesessions[content["session"]]))
lastSubmittedLine = currentline
J+= 1
cowriesessions.pop(content["session"])
if len(cowriesessions) == 0:
firstOpenedWithoutClose = currentline
# loop through list of sessions to send
for key in sessionstosend:
x,y = viewcounter(MODUL,x,y)
# map ssh ports for t-pot
if key[12]==2223:
service="Telnet"
serviceport="23"
elif key[12]==2222:
service="SSH"
serviceport="22"
elif key[12]==23:
service="Telnet"
serviceport="23"
else:
service="SSH"
serviceport="22"
DATA = {
"aid" : HONEYPOT["nodeid"],
"timestamp" : "%s-%s-%s %s" % (key[4][0:4], key[4][5:7], key[4][8:10], key[4][11:19]),
"sadr" : str(key[8]),
"sipv" : "ipv" + ip4or6(str(key[8])),
"sprot" : "tcp",
"sport" : str(key[11]),
"tipv" : "ipv" + ip4or6(HONEYPOT["ip"]),
"tadr" : str(key[13]),
"tprot" : "tcp",
"tport" : serviceport
}
REQUEST = {
"description" : service + " Honeypot Cowrie",
}
# Collect additional Data
login = str(key[3])
if (key[7] !=""):
endtime = "%s-%s-%s %s" % (key[7][0:4], key[7][5:7], key[7][8:10], key[7][11:19])
else:
endtime = ""
# fix unicode in json log
cusername, cpassword, cinput="","",""
try:
cusername=str(key[1])
except UnicodeEncodeError:
logme(MODUL, "Unicode in username "+ key[1]+ " - removing unicode.", ("P3"), ECFG)
cusername=key[1].encode('ascii', 'ignore')
try:
cpassword = str(key[2])
except UnicodeEncodeError:
logme(MODUL, "Unicode in password " + key[2] + " - removing unicode.", ("P3"), ECFG)
cpassword = key[2].encode('ascii', 'ignore')
try:
cinput = str(key[14])
except UnicodeEncodeError:
logme(MODUL, "Unicode in input " + key[14] + " - removing unicode.", ("P3"), ECFG)
cinput=str(key[14]).encode('ascii', 'ignore')
ADATA = {
"sessionid" : str(key[5]),
"starttime" : "%s-%s-%s %s" % (key[6][0:4], key[6][5:7], key[6][8:10], key[6][11:19]),
"endtime" : endtime,
"version" : str(key[10]),
"login" : login,
"username" : cusername,
"password" : cpassword,
"input" : cinput,
"hostname": hostname,
"externalIP": externalIP,
"internalIP": internalIP
}
# generate template and send
esm = buildews(esm,DATA,REQUEST,ADATA)
jesm = buildjson(jesm,DATA,REQUEST,ADATA)
countme(MODUL,'daycounter', -2,ECFG)
countme(MODUL,'firstopenedwithoutclose', firstOpenedWithoutClose,ECFG)
countme(MODUL,'lastsubmittedline', lastSubmittedLine,ECFG)
if ECFG["a.verbose"] is True:
verbosemode(MODUL,DATA,REQUEST,ADATA)
# Cleaning linecache
clearcache()
if int(esm.xpath('count(//Alert)')) > 0:
sendews(esm)
writejson(jesm)