WildFire Appliance (WF-500)

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WildFire Appliance (WF-500)
WildFire Appliance – WF-500
• Single-mode WildFire appliance
-
Provides similar functionality as the public-cloud WildFire
• Sandboxed Malware Analysis
-
Accepts samples from firewalls and generate malware / benign verdict
• Transparent configuration from Firewall perspective
-
The firewall can be configured to use public-cloud or WildFire appliance
-
The firewall can connect to only one WildFire (public-cloud or WildFire
appliance)
• Option to connect the WildFire appliance to the public-cloud
-
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Can submit found malware files to the public-cloud WildFire
PROPRIETARY AND CONFIDENTIAL
Wildfire public cloud
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PROPRIETARY AND CONFIDENTIAL
Wildfire with WF-500
Confirmed
Malware
(optional)
WildFire Cloud
Signatures
Local Customer Network
All unknown files
Log link to analysis
sent to PA to be
added to the
wildfire log
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PROPRIETARY AND CONFIDENTIAL
Customer
Firewalls
Wildfire private cloud
WildFire
license
required
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PROPRIETARY AND CONFIDENTIAL
https://wildfire.paloaltonetworks.com
Overview of all connected firewalls in account and their reports
Files can be uploaded manually or through API
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PROPRIETARY AND CONFIDENTIAL
reports
Identical on wildfire portal
and WF-500
Detailed summary of
behavior seen on the vm,
registry entries modified,
files and processes
touched or created
Link to virustotal analysis
of executable by 43 AV
vendors
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PROPRIETARY AND CONFIDENTIAL
Design options
WildFire Cloud
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PROPRIETARY AND CONFIDENTIAL
WildFire Appliance – WF-500
• Dual 6-core CPU, 12 physical cores (total 24 logical cores w/ HT)
• 128 GB RAM
• 2 x 2 HDD RAID1 in 5.1
• 18 VMs in 5.1 running WindowsXP
• Only PE files suported (.cpl, .exe, .dll, .ocx,.sys, .scr, .drv)
• API not supported yet
• CLI only
• No HA
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PROPRIETARY AND CONFIDENTIAL
insides
• over 100 suspicious behaviors are analyzed
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-
Create files or executables in the windows/user folder
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Spawn new processes
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Disable/change windows firewall
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Modify registry
-
Change proxy/dns settings
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Change browser security settings
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Inject code in other process
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Attempt sleep (to avoid sandbox detection)
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Delete/move itself
-
…
PROPRIETARY AND CONFIDENTIAL
results
If an executable is found to be malicious multiple actions will be
taken
• Wildfire signature created to identify the malware
• URL traffic from the malware added to PANdb URL filtering
• DNS signatures recorded for DNS sinkhole project
• Anti C&C signatures
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PROPRIETARY AND CONFIDENTIAL
Performance sizing
• Sized for our largest customers with a small amount of devices
reporting to the WF-500
• Can analyze about 4500 unique samples per day
• Only unknown samples analyzed in VM
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PROPRIETARY AND CONFIDENTIAL
WildFire Appliance – WF-500
Front
Back
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PROPRIETARY AND CONFIDENTIAL
WildFire Appliance – WF-500
• Licensing:
-
Only Support License on WildFire Appliance (WF-500)
-
WildFire Subscription License on Firewalls

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Without WildFire Subscription License the firewall can submit samples, but cannot get updates and
see logs
PROPRIETARY AND CONFIDENTIAL
WildFire Appliance – WF-500
• Pipeline model using queues:
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Stage 1: Accept files from firewall
-
Stage 2: Download
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Stage 3: Analyze
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Stage 4: Notify
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Stage 5: Upload (if auto-submit is enabled)
PROPRIETARY AND CONFIDENTIAL
WildFire Appliance – WF-500
• Storage
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2 x 2TB in RAID1
-
200 GB reserved for DB (MySQL)
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Recovery from DB Corruption
-
-

script checks DB connectivity, will try restarting 3 times before entering maintenance mode

DB can be wiped to default from maintenance mode
Two partitions on each RAID

first: 30% DB, 70% PCAPs/samples

second: 30% VM, 70% PCAPs/samples
File purging:

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When less than 100GB PCAPs/samples partition space
PROPRIETARY AND CONFIDENTIAL
WildFire Appliance – WF-500 - Configuration
• Configure wildfire / eth0:
# set deviceconfig system ...
ip-address
netmask
default-gateway
update-server
dns-setting
• eth0 is used for:
- Management
- Firewall connection to the WildFire appliance
- WildFire appliance connection to the public cloud
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PROPRIETARY AND CONFIDENTIAL
WildFire Appliance – WF-500 - Configuration
• Configure VM interface / eth1 (optional):
# set deviceconfig system vm-interface ...
ip-address
netmask
default-gateway
link-state <up|down>
dns-server
• eth1 is used for:
- VM analyzer connections to internet
Dummy DNS and HTTP if eth1 is not configured
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PROPRIETARY AND CONFIDENTIAL
WildFire Appliance – WF-500 - Configuration
• Configure public cloud-server:
# set deviceconfig setting wildfire cloud-server <server>

To change to a different fqdn or a centralized WF-500, future expansion
• Automatically submit malware to public-cloud:
# set deviceconfig setting wildfire auto-submit <yes|no>
• Enable VM network:
# set deviceconfig setting wildfire vm-network-enable <yes|no>
• Set portal admin password:
> set wildfire portal-admin password
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PROPRIETARY AND CONFIDENTIAL
WildFire Appliance – WF-500 - Configuration
• Firewall configuration:
-
Configure WildFire server:
# set deviceconfig setting wildfire ...
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cloud-server <wildfire>
(delete this for public-cloud)
report-benign-file <yes|no>
(optional: default is 'no')
-
Configure File Blocking profile with 'forward' or 'continue-and-forward'
-
Configure File Blocking profile in Security Policy
PROPRIETARY AND CONFIDENTIAL
WildFire Appliance – WF-500 - Troubleshooting
Health check - Resources (CPU, memory):
> show system resources
top - 13:50:33 up 13 days, 4:20, 3 users, load average: 0.00, 0.00, 0.00
Tasks: 491 total,
1 running, 490 sleeping,
0 stopped,
0 zombie
Cpu(s): 0.1%us, 0.0%sy, 0.0%ni, 99.9%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st
Mem: 132077376k total, 17826828k used, 114250548k free,
150952k buffers
Swap:
7992k total,
0k used,
7992k free, 13293312k cached
PID USER
3626
12068
1
2
3
4
5
6
7
8
9
10
...
21
30
20
20
20
RT
20
RT
20
RT
20
RT
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PR NI VIRT RES
10 14108 7592 3172
0 2504 1196 724
0 1772 564 492
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
PROPRIETARY AND CONFIDENTIAL
SHR S %CPU %MEM
TIME+ COMMAND
S
2 0.0 10:50.89 python
R
2 0.0
0:00.02 top
S
0 0.0
0:09.15 init
S
0 0.0
0:00.00 kthreadd
S
0 0.0
0:00.00 migration/0
S
0 0.0
0:00.00 ksoftirqd/0
S
0 0.0
0:00.00 migration/1
S
0 0.0
0:00.00 ksoftirqd/1
S
0 0.0
0:00.00 migration/2
S
0 0.0
0:00.00 ksoftirqd/2
S
0 0.0
0:00.00 migration/3
S
0 0.0
0:00.00 ksoftirqd/3
WildFire Appliance – WF-500 - Troubleshooting
Health check - Disk space:
> show system disk-space
Filesystem
/dev/sda3
/dev/sda5
/dev/sda6
tmpfs
/dev/sda8
/dev/md1
/dev/md2
/dev/md3
/dev/md4
/dev/ram0
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Size
7.6G
23G
16G
63G
56G
276G
642G
276G
642G
61G
PROPRIETARY AND CONFIDENTIAL
Used Avail Use% Mounted on
995M 6.2G 14% /
345M
22G
2% /opt/pancfg
589M
14G
5% /opt/panrepo
0
63G
0% /dev/shm
1.3G
52G
3% /opt/panlogs
1.3G 260G
1% /opt/panlogs/ld1_1
198M 610G
1% /opt/panlogs/ld1_2
11G 251G
4% /opt/vmrepo
198M 610G
1% /opt/panlogs/ld2_2
2.3G
55G
5% /opt/panlogs/vm_img
WildFire Appliance – WF-500 - Troubleshooting
Health check - RAID:
> show system raid detail
Disk Pair A
Status
Disk id A1
model
size
partition_1
partition_2
Disk id A2
model
size
partition_1
partition_2
Disk Pair B
Status
Disk id B1
model
size
partition_1
partition_2
Disk id B2
model
size
partition_1
partition_2
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Available
clean
Present
:
:
:
:
ST91000640NS
953869 MB
active sync
active sync
Present
:
:
:
:
ST91000640NS
953869 MB
active sync
active sync
Available
clean
Present
:
:
:
:
ST91000640NS
953869 MB
active sync
active sync
Present
:
:
:
:
ST91000640NS
953869 MB
active sync
active sync
PROPRIETARY AND CONFIDENTIAL
WildFire Appliance – WF-500 - Troubleshooting
Check connection to the public cloud:
> show wildfire status
Connection info:
Wildfire cloud: default cloud
Status: Idle
Auto-Submit: enabled
VM internet connection: enabled
Best server: ca-s1.wildfire.paloaltonetworks.com
Device registered: yes
Service route IP address: 10.30.14.41
Signature verification: enable
Server selection: enable
Through a proxy: no
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PROPRIETARY AND CONFIDENTIAL
WildFire Appliance – WF-500 - Troubleshooting
General WildFire statistics:
> show wildfire statistics {days <1-31>}
Last one hour statistics:
Total sessions submitted
Samples submitted
Samples analyzed
Samples pending
Samples (malicious)
Samples (benign)
Samples (error)
Malware sent to cloud
:
:
:
:
:
:
:
:
2
1
1
0
0
1
0
0
Last 24 hours statistics:
Total sessions submitted
Samples submitted
Samples analyzed
Samples pending
Samples (malicious)
Samples (benign)
Samples (error)
Malware sent to cloud
:
:
:
:
:
:
:
:
2
1
1
0
0
1
0
0
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PROPRIETARY AND CONFIDENTIAL
WildFire Appliance – WF-500 - Troubleshooting
Firewalls registered with the WildFire device:
> show wildfire last-device-registration all
+--------------+---------------------+--------------+------------+----------+--------+
| Device ID
| Last Registered
| Device IP
| SW Version | HW Model | Status |
+--------------+---------------------+--------------+------------+----------+--------+
| 007201000107 | 2013-03-11 11:57:06 | 172.24.15.37 | 5.0.2
| PA-VM
| OK
|
+--------------+---------------------+--------------+------------+----------+--------+
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PROPRIETARY AND CONFIDENTIAL
WildFire Appliance – WF-500 - Troubleshooting
> debug wildfire vm all
+-------+------------------------------------------------------------------+---------------------+
| VM ID | Current Job
| Last Updated
|
+-------+------------------------------------------------------------------+---------------------+
|
1 | Idle
| 2013-03-11 14:58:51 |
|
2 | Idle
| 2013-03-11 14:58:53 |
|
3 | Idle
| 2013-03-11 14:58:55 |
|
4 | Idle
| 2013-03-11 14:58:57 |
|
5 | Idle
| 2013-03-11 14:58:59 |
|
6 | Idle
| 2013-03-11 14:58:49 |
|
7 | Idle
| 2013-03-11 14:58:51 |
|
8 | Idle
| 2013-03-11 14:58:53 |
|
9 | Idle
| 2013-03-11 14:58:55 |
|
10 | Idle
| 2013-03-11 14:58:57 |
|
11 | Idle
| 2013-03-11 14:58:59 |
|
12 | Idle
| 2013-03-11 14:58:49 |
|
13 | Idle
| 2013-03-11 14:58:51 |
|
14 | Idle
| 2013-03-11 14:58:53 |
|
15 | Idle
| 2013-03-11 14:58:55 |
|
16 | Idle
| 2013-03-11 14:58:57 |
|
17 | Idle
| 2013-03-11 14:58:59 |
|
18 | 1fc7da0ee224e6d62acb5aa637f696709677c998b2a9cd0a0f50f740c860c91b | 2013-03-11 15:06:22 |
+-------+------------------------------------------------------------------+---------------------+
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PROPRIETARY AND CONFIDENTIAL
WildFire Appliance – WF-500 - Troubleshooting
Show latest data (analysis, samples, sessions, uploads):
> show wildfire latest <analysis|samples|sessions|uploads>
+
+
+
+
days
limit
sort-by
sort-direction
|
<Enter>
Set how many days to include, default is one
Set number of rows to show, default is 30
Set sort field
Set sort direction
Pipe through a command
Finish input
Show all data for particular sample:
> show wildfire sample-status sha256 equal <file_sha_value>
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PROPRIETARY AND CONFIDENTIAL
WildFire Appliance – WF-500 - Troubleshooting
> show wildfire latest analysis
Latest analysis information:
+------------------------------------------------------------------+---------------------+---------------------+---------------------+-----------+-----------+
| SHA256
| Submit Time
| Start Time
| Finish Time
| Malicious | Status
|
+------------------------------------------------------------------+---------------------+---------------------+---------------------+-----------+-----------+
| 1fc7da0ee224e6d62acb5aa637f696709677c998b2a9cd0a0f50f740c860c91b | 2013-03-11 15:06:22 | 2013-03-11 15:06:22 | 2013-03-11 15:11:31 | No
| completed |
| 73e32bfe108cc8511454cfe206bb372622d953d66e65f26c7d4224940eaa74ac | 2013-03-11 12:32:17 | 2013-03-11 12:32:17 | 2013-03-11 12:37:19 | No
| completed |
+------------------------------------------------------------------+---------------------+---------------------+---------------------+-----------+-----------+
> show wildfire latest samples
Latest samples information:
+------------------------------------------------------------------+---------------------+-----------+-----------+--------------+-----------+-------------------+
| SHA256
| Create Time
| File Name | File Type | File Size
| Malicious | Status
|
+------------------------------------------------------------------+---------------------+-----------+-----------+--------------+-----------+-------------------+
| 1fc7da0ee224e6d62acb5aa637f696709677c998b2a9cd0a0f50f740c860c91b | 2013-03-11 15:06:22 | test.exe | PE
|
23,308 | No
| analysis complete |
| 73e32bfe108cc8511454cfe206bb372622d953d66e65f26c7d4224940eaa74ac | 2013-03-11 12:32:16 | test.exe | PE
|
23,308 | No
| analysis complete |
+------------------------------------------------------------------+---------------------+-----------+-----------+--------------+-----------+-------------------+
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PROPRIETARY AND CONFIDENTIAL
WildFire Appliance – WF-500 - Troubleshooting
> show wildfire sample-status sha256 equal 73e32bfe108cc8511454cfe206bb372622d953d66e65f26c7d4224940eaa74ac
Sample information:
+---------------------+-----------+-----------+-----------+-----------+-------------------+
| Create Time
| File Name | File Type | File Size | Malicious | Status
|
+---------------------+-----------+-----------+-----------+-----------+-------------------+
| 2013-03-11 12:32:16 | test.exe | PE
| 23308
| No
| analysis complete |
+---------------------+-----------+-----------+-----------+-----------+-------------------+
Session information:
+---------------------+---------------+----------+----------------+----------+----------+--------------+--------------+-----------+-----------+
| Create Time
| Src IP
| Src Port | Dst IP
| Dst Port | File
| Device ID
| App
| Malicious | Status
|
+---------------------+---------------+----------+----------------+----------+----------+--------------+--------------+-----------+-----------+
| 2013-03-11 12:35:23 | 172.24.12.105 | 80
| 192.168.37.133 | 2460
| test.exe | 007201000107 | web-browsing | No
| completed |
| 2013-03-11 12:32:16 | 172.24.12.105 | 80
| 192.168.37.133 | 2452
| test.exe | 007201000107 | web-browsing | No
| completed |
+---------------------+---------------+----------+----------------+----------+----------+--------------+--------------+-----------+-----------+
Analysis information:
+---------------------+---------------------+---------------------+-----------+-----------+
| Submit Time
| Start Time
| Finish Time
| Malicious | Status
|
+---------------------+---------------------+---------------------+-----------+-----------+
| 2013-03-11 12:32:17 | 2013-03-11 12:32:17 | 2013-03-11 12:37:19 | No
| completed |
+---------------------+---------------------+---------------------+-----------+-----------+
Upload information:
No information available
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PROPRIETARY AND CONFIDENTIAL
WildFire Appliance – WF-500 - Troubleshooting
Show wf_devsrvr counters:
> show counter device
Name
------------------------------Queue was full
Queue returned empty
Partition checks
Sample batches deleted
Uploads found for retry
Retrying uploads from
Clear wf_devsrvr counters:
> clear counter device
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PROPRIETARY AND CONFIDENTIAL
Value
------------------0
455133
316
0
0
2013-03-11 13:34:47
WildFire Appliance – WF-500 - Troubleshooting
Queue status:
> debug device dump queue-stats
queue
Queue
Queue
Queue
Queue
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statistics
[0] name: download, pause: 0 low_watermark: 3500 high_watermark: 3900 count: 0 size: 4000
[1] name: upload, pause: 1 low_watermark: 9000 high_watermark: 9900 count: 0 size: 10000
[2] name: notify, pause: 0 low_watermark: 3500 high_watermark: 3900 count: 0 size: 4000
[3] name: PE, pause: 0 low_watermark: 1500 high_watermark: 1700 count: 0 size: 2000
PROPRIETARY AND CONFIDENTIAL
WildFire Appliance – WF-500 - Troubleshooting
Show All queues (can be lot of data!):
> debug device dump queues
Queue [0] : name: download
# of entries : 0
low_watermark : 3500, high_watermark:
queue is empty
Queue [1] : name: upload
# of entries : 0
low_watermark : 9000, high_watermark:
queue is empty
Queue [2] : name: notify
# of entries : 0
low_watermark : 3500, high_watermark:
queue is empty
Queue [3] : name: PE
# of entries : 0
low_watermark : 1500, high_watermark:
queue is empty
3900pause: 0
9900pause: 1
3900pause: 0
1700pause: 0
Show particular queue:
> debug device dump queue <download|upload|notify|PE>
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PROPRIETARY AND CONFIDENTIAL
WildFire Appliance – WF-500 - Troubleshooting
Delete all data for particular sample:
> debug delete sample sha256 equal <file_sha_value>
Flush a queue:
> debug device flush queue <download|upload|notify|PE>
Restart service to the public-cloud:
> debug wildfire reset forwarding
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PROPRIETARY AND CONFIDENTIAL
WildFire Appliance – WF-500 - Troubleshooting
tech-support:
show system raid detail
show counter device
clear counter device
show wildfire statistics
show wildfire statistics days 7
show wildfire last-device-registration all
show wildfire vm all
debug device dump queue-stats
debug device dump queues
show counter device
show
show
show
show
wildfire
wildfire
wildfire
wildfire
latest
latest
latest
latest
samples limit 200 days 7
sessions limit 400 days 7
analysis limit 200 days 7
uploads limit 200 days 7
/var/log/
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PROPRIETARY AND CONFIDENTIAL
Questions

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