The WildFire appliance running PAN-OS 9.0 or later can
now analyze and classify RAR and 7-Zip archives, which can be used
by an adversary to covertly deliver malicious payloads to users.
The WildFire appliance can now analyze and
classify archive (RAR and 7-Zip) files with malicious, benign, or
grayware verdicts. Previously this feature was only present in the
WildFire cloud. This analysis capability has now been expanded to
include WildFire appliances running PAN-OS 9.0 and later.
When any file contained within an archive is determined to
be malicious, the archive file is considered malicious by WildFire.
Archive files that are multi-part or password protected cannot
be analyzed.
The WildFire appliance is capable
of analyzing the following archive file types:
RAR—Supports
Roshal Archive (.rar) files.
7-Zip—Supports (.7z) files.
To forward archive
files for analysis, the
WildFire Analysis Profile
on
the firewall must be configured to forward the
archive
file
type or
Any
unknown files to the WildFire
private cloud.
Enable file type forwarding.
Select
Objects
> Security Profiles > WildFire Analysis
and
Add
or
modify a profile to define traffic to forward for WildFire analysis.
Add or modify a profile rule, select
file type
,
and set the rule to forward the new
Any
file
type. You can also specify the
archive
file
type if you want to forward only archives.
Profile rules
with the file type set to
Any
forward all
file types for WildFire analysis.
Select Destination and set the profile rule to forward the
files to the
private-cloud
.
Click
OK
to save the new or modified
WildFire Analysis profile.
Attach the WildFire Analysis profile to a security policy
rule—traffic matched to the policy rule is forwarded for WildFire
Analysis.
Select
Policies > Security
and
Add
or
modify a security policy rule.
Select
Actions
and set the
Profile
Type
to
Profiles
.
Select the newly-created
WildFire Analysis
profile.
Click
OK
to save the security policy
rule.
For detailed steps to configure a WildFire Analysis
profile and to attach the profile to a security policy rule, see Forward Files for WildFire Analysis.
Select
Monitor > WildFire Submissions
to
find WildFire verdicts and analysis reports for archive files that
have been submitted by the firewall.
