Skip to main content

Traffic to a malicious spear phishing site

ID:spearphishing_traffic
Data type:DNS, HTTP
Severity:
Critical
MITRE ATT&CK:TA0001:T1566

Description

AlphaSOC detected network traffic to a known malicious spear phishing site. Spear phishing is a targeted form of phishing where attackers craft personalized messages to deceive specific individuals or organizations. These sites often mimic legitimate websites to steal credentials, distribute malware, or gather sensitive information. The detection indicates that a user may have interacted with a spear phishing email or link, potentially exposing the organization to various cyber threats.

Impact

Successful spear phishing attacks can have severe consequences for the integrity and security of the organization. Threat actors can gain initial access to the network, steal sensitive information, or deploy malware. This can result in compromised user accounts, lateral movement within the network, and potential long-term persistence. This threat is particularly dangerous as it can bypass traditional security measures and exploit human vulnerabilities.

Severity

SeverityCondition
Critical
Traffic to a malicious spear phishing site

Investigation and Remediation

Immediately isolate the affected system and investigate the user's recent activities. Analyze email logs, browser history, and network traffic to identify the source of the phishing attempt. Check for any unauthorized access or data exfiltration. Reset passwords for potentially compromised accounts and scan the system for malware.