Five Steps to Investigate and Respond to Malware Incidents as a SOC Analyst
                     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:
1. Critical thinking
2. Performing under pressure
3. Strong fundamental skills
4. 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: Recovery 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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