[Snort-users] darpa dataset problem(zero alert)

mehdi maleki mehdimlk2003 at ...131...
Wed Aug 6 06:42:43 EDT 2014


I’ve read faq but there is any solution for my problem. I’ve
used registered user rule set. my command line  and part of output  and
config-file are  as below:
./snort -A fast  -r /home/mahdi/darpa/inside.tcpdump -u snort -g snort -c 
/etc/snort/snort.conf -l /var/log/snort --pcap-show -k none

===============================================================================
Packet I/O Totals:
   Received:      1337777
   Analyzed:      1337777 (100.000%)
    Dropped:            0 (  0.000%)
   Filtered:            0 (  0.000%)
Outstanding:            0 (  0.000%)
   Injected:            0
===============================================================================
Breakdown by protocol (includes rebuilt
 packets):
        Eth:      1340992 (100.000%)
       VLAN:            0 (  0.000%)
        IP4:      1266758 ( 94.464%)
       Frag:          241 (  0.018%)
       ICMP:         1341 (  0.100%)
        UDP:        17029 (  1.270%)
        TCP:      1248147 ( 93.076%)
       ==============================================================
Action Stats:
     Alerts:            0 (  0.000%)
     Logged:            0 (  0.000%)
     Passed:            0 (  0.000%)
Limits:
      Match:            0
      Queue:            0
       
 Log:            0
      Event:            0
      Alert:            0
Verdicts:
      Allow:      1276213 ( 95.398%)
      Block:            0 (  0.000%)
    Replace:            0 (  0.000%)
  Whitelist:        61564 (  4.602%)
  Blacklist:            0 ( 
 0.000%)

part of config-file:
# Setup the network addresses you are protecting
ipvar HOME_NET any

# Set up the external network addresses. Leave as "any" in most situations
ipvar EXTERNAL_NET any

# List of DNS servers on your network 
ipvar DNS_SERVERS $HOME_NET

# List of SMTP servers on your network
ipvar SMTP_SERVERS $HOME_NET

# List of web servers on your network
ipvar HTTP_SERVERS $HOME_NET

# List of sql servers on your network 
ipvar SQL_SERVERS $HOME_NET

# List of telnet servers on your
 network
ipvar TELNET_SERVERS $HOME_NET

# List of ssh servers on your network
ipvar SSH_SERVERS $HOME_NET

# List of ftp servers on your network
ipvar FTP_SERVERS $HOME_NET

# List of sip servers on your network
ipvar SIP_SERVERS $HOME_NET

# List of ports you run web servers on
portvar
 HTTP_PORTS
 
[36,80,81,82,83,84,85,86,87,88,89,90,311,383,555,591,593,631,801,808,818,901,972,1158,1220,1414,1533,1741,1830,1942,2231,2301,2381,2809,2980,3029,3037,3057,3128,3443,3702,4000,4343,4848,5000,5117,5250,5600,6080,6173,6988,7000,7001,7071,7144,7145,7510,7770,7777,7778,7779,8000,8008,8014,8028,8080,8081,8082,8085,8088,8090,8118,8123,8180,8181,8222,8243,8280,8300,8333,8344,8500,8509,8800,8888,8899,8983,9000,9060,9080,9090,9091,9111,9290,9443,9999,10000,11371,12601,13014,15489,29991,33300,34412,34443,34444,41080,44449,50000,50002,51423,53331,55252,55555,56712] 

# List of ports you want to look for SHELLCODE on.
portvar SHELLCODE_PORTS !80

# List of ports you might see oracle attacks on
portvar ORACLE_PORTS 1024:

# List of ports you want to look for SSH connections on:
portvar SSH_PORTS 22

# List of ports you run ftp servers on
portvar FTP_PORTS [21,2100,3535]

# List of ports you run SIP servers on
portvar SIP_PORTS [5060,5061,5600]

# List of file data ports for file inspection
portvar FILE_DATA_PORTS [$HTTP_PORTS,110,143]

# List of GTP ports for GTP preprocessor
portvar GTP_PORTS [2123,2152,3386]

# other variables, these should not be modified
ipvar
 AIM_SERVERS 
[64.12.24.0/23,64.12.28.0/23,64.12.161.0/24,64.12.163.0/24,64.12.200.0/24,205.188.3.0/24,205.188.5.0/24,205.188.7.0/24,205.188.9.0/24,205.188.153.0/24,205.188.179.0/24,205.188.248.0/24]

# Path
 to your rules files (this can be a relative path)
# Note for Windows users:  You are advised to make this an absolute path,
# such as:  c:\snort\rules
var RULE_PATH /etc/snort/rules
var SO_RULE_PATH /etc/snort/so_rules
var PREPROC_RULE_PATH /etc/snort/preproc_rules

# If you are using reputation preprocessor set these
var WHITE_LIST_PATH /etc/snort/rules
var BLACK_LIST_PATH /etc/snort/rules

###################################################
# Step #2: Configure the decoder.  For more information, see README.decode
###################################################

# Stop generic decode events:
config
 disable_decode_alerts

# Stop Alerts on experimental TCP options
config disable_tcpopt_experimental_alerts

# Stop Alerts on obsolete TCP options
config disable_tcpopt_obsolete_alerts

# Stop Alerts on T/TCP alerts
config disable_tcpopt_ttcp_alerts

# Stop Alerts on all other TCPOption type events:
config disable_tcpopt_alerts

# Stop Alerts on invalid ip options
config disable_ipopt_alerts

# Alert if value in length field (IP, TCP, UDP) is greater th elength of the packet
# config enable_decode_oversized_alerts

# Same as above, but drop
 packet if in Inline mode (requires enable_decode_oversized_alerts)
# config enable_decode_oversized_drops

# Configure IP / TCP checksum mode
config checksum_mode: all

# Configure maximum number of flowbit references.  For more information, see README.flowbits
# config flowbits_size: 64

# Configure ports to ignore 
# config ignore_ports: tcp 21 6667:6671 1356
# config ignore_ports: udp 1:17 53

# Configure active response for non inline operation. For more information, see REAMDE.active
# config response: eth0 attempts 2

# Configure DAQ related options for inline operation. For more information, see README.daq
#
# config daq: <type>
# config daq_dir: <dir>
# config daq_mode: <mode>
# config daq_var: <var>
#
# <type> ::= pcap | afpacket | dump | nfq | ipq | ipfw
# <mode> ::= read-file | passive | inline
# <var> ::= arbitrary <name>=<value passed to DAQ
# <dir> ::= path as to where to look for DAQ module so's

# Configure specific UID and GID to run snort as after dropping privs. For more information see snort -h command line options
#
# config set_gid:
# config set_uid:

# Configure default snaplen. Snort defaults to MTU of in use interface. For more
 information see README
#
# config snaplen:
#

#
 Configure default bpf_file to use for filtering what traffic reaches 
snort. For more information see snort -h command line options (-F)
#
# config bpf_file:
#

# Configure default log directory for snort to log to.  For more information see snort -h command line options (-l)
#
# config logdir:


###################################################
# Step #3: Configure the base detection engine.  For more information, see  README.decode
###################################################

# Configure
 PCRE match limitations
config pcre_match_limit: 3500
config pcre_match_limit_recursion: 1500

# Configure the detection engine  See the Snort Manual, Configuring Snort - Includes - Config
config detection: search-method ac-split search-optimize max-pattern-len 20

# Configure the event queue.  For more information, see README.event_queue
config event_queue: max_queue 8 log 5 order_events content_length
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