The document outlines various types of application attacks, including arbitrary code execution, cookie exploitation, session hijacking, and more, highlighting the potential security risks involved. It discusses how these attacks can allow hackers to manipulate applications and gain access to sensitive information. Lastly, the document emphasizes that the information presented is supported by funding from the U.S. Department of Labor's Employment and Training Administration.

1. Types of
application
attacks II.

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Instructor, PACE-IT Program – Edmonds Community College
Areas of Expertise Industry Certifications
 PC Hardware
 Network Administration
 IT Project Management
 Network Design
 User Training
 IT Troubleshooting
Qualifications Summary
Education
 M.B.A., IT Management, Western Governor’s University
 B.S., IT Security, Western Governor’s University
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with 10+ years of experience turning complex issues
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– A goal of application attacks.
– Divulging weaknesses in some
applications.
PACE-IT.

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Types of application attacks II.

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Often, the hacker’s goal
when attacking an
application is to create the
ability to execute arbitrary
code remotely.
Arbitrary, in this sense, refers to the fact that the
application was not designed to execute the code. If
the attacker can gain this ability, the code will often
be executed at an administrative account level.
Arbitrary code execution/remote code execution
represents an extreme security risk, as it often has
the ability to make changes to the underlying
system. When this occurs, it can be difficult to
discover and stop.
Types of application attacks II.

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Types of application attacks II.

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– Cookie.
» Text file that Web developers use to store information about
users (on the user’s local system).
• If captured, the cookies may reveal sensitive information
about either the user or the website, which can lead to an
exploit.
– Flash cookie/Locally Shared Object (LSO).
» A method that Adobe Flash programmers use to store
information on a user’s computer.
• LSOs can be used to track a user’s Internet activity and
represent a threat to privacy.
» Most LSOs remain on a user’s system, even if all other cookies
are deleted.
– Attachment.
» A file attachment is a document or application that is attached
to an email message.
• Is a commonly used threat vector used to deliver malicious
applications.
Types of application attacks II.

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– Malicious add-on.
» An add-on is software that is installed into browsers to allow for
additional features.
• If the add-on causes a deterioration in browser performance,
it can be considered malicious.
» Some add-ons can exploit vulnerabilities present in the
browser, creating a security threat; these can be considered
malicious.
– Header manipulation.
» Hackers can modify the header data of an application in order
to change how the application functions.
• Can be used to modify how a Web server processes
information.
• Can be used on file headers to conceal information.
Types of application attacks II.

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Session hijacking usually
combines both a network
and an application attack.
With session hijacking, the hacker waits until a communication
channel has been opened between at least two parties (e.g., an
administrator signs in to a Web server) and then disconnects one
of the parties and inserts herself/himself into the communication
channel.
The attacker typically uses a DoS (denial of service) type attack
to disconnect one of the parties. Once inserted into the
communication flow, the hacker attempts to gain control of either
sensitive information or of the application itself.
Types of application attacks II.

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Types of application attacks II.
Often, the goal of an application attack is to create the ability to execute
arbitrary code remotely. Arbitrary code/remote code execution represents
an extreme security threat, as the code execution usually occurs at the
administrative level. This can lead to the hacker being able to make
changes to the underlying system.
Topic
A goal of application attacks.
Summary
Some threats that are present in applications include: cookies—text files
used to store user information, Flash cookies/LSOs—code used by Adobe
Flash programmers to store user information, attachments—documents or
applications attached to email messages, malicious add-ons—software that
is added to Web browsers, and header manipulation—hackers modify the
header data of applications. Session hijacking typically combines a network
attack with an application attack.
Divulging weaknesses in
some applications.

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12. This workforce solution was 100 percent funded by a $3 million grant awarded by the
U.S. Department of Labor's Employment and Training Administration. The solution was
created by the grantee and does not necessarily reflect the official position of the U.S.
Department of Labor. The Department of Labor makes no guarantees, warranties, or
assurances of any kind, express or implied, with respect to such information, including
any information on linked sites and including, but not limited to, accuracy of the
information or its completeness, timeliness, usefulness, adequacy, continued availability
or ownership. Funded by the Department of Labor, Employment and Training
Administration, Grant #TC-23745-12-60-A-53.
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