Five Steps to Investigate and Respond to Malware Incidents as a SOC Analyst

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Five Steps to Investigate and Respond to Malware
Incidents as a SOC Analyst
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Malware is nothing but malicious software that
damages your system without your knowledge. There
are many types of malware like Trojan horse,
spyware, ransomware, worms, virus, or any other
spiteful code that damages our system. And, when
the SOC team detects this malware or is notified
about this infectious application, then that
situation is called Malware Incident. The SOC
team begins an investigation of the malware
immediately after identifying it to know the
gravity of the problem.
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• There are four essential skills required for SOC
  analyst and they are
• Critical thinking
• Performing under pressure
• Strong fundamental skills
• Curious mind
• In this blog, we will discuss about who notifies
  the SOC team about malware and the steps taken by
  the SOC team to investigate the malware. Let us
  discuss the life of a SOC analyst
• Who notifies the SOC team about malware?
• There are various stakeholders involved in
  notifying the SOC team about malware they are
• Customers, Employees, or Clients Whenever a
  malware attack happens, you will observe the
  abnormal behaviour of the system like pop-up
  messages, many irrelevant advertisements, system
  crashes, or Blue Screen Of Death. When this
  behaviour is followed by Customers, Employees, or
  clients, they will notify Security Operations
  teams to investigate the problem.
• Defense and SOC security tools notify the
  malware Due to the advanced technology nowadays,
  it is becoming challenging to absorb the defects
  in the system hence SOC teams use different
  defense tools that will notify the malware in the
  system. These detections are differentiated into
  two categories as given below, and without these
  tools and the improved technologies behind them,
  the life of a SOC analyst would be tough
• Behavior-based detection.
• Signature-based detection.   

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Now let us discuss the Investigation and incident
response steps taken by the SOC
team Preparation Preparation is the first
important step in the process of responding to
malware attacks. In this step, the SOC team
installs a security system in a place that
identifies an incident. Identification As SOC
teams have set up a Security system, this will
alert the Intrusion Detection Systems, and web
filtering gateways detect the unusual external
connection. And then, the SIEM solutions will
connect the dots of an attacker passing through
the endpoint solution or the internal
network. Containment Containment takes place to
stop the further spread of the damage or the
malware to the network. Containment is needed to
concentrate on the next stage of the
response. Eradication Eradication is one of the
most complicated stages in the incident response
process because it includes forensic analysis to
discover the degree of presence of the threat
actor. Security staff must make sure they
eliminate the entire existence. By re-imaging the
machine, backdoors searching and determining the
root cause analysis of the incident. Recovery Re
covery is the final stage in the incident
response. In this stage, we get the infected
systems up and run them to reduce the potential
monetary loss caused by the infected system. So,
these are the five steps taken by the SOC team to
investigate and give the incident response.

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