Seashell Blizzard is an alternate name for the group known as Sandworm Team

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Seashell Blizzard is an advanced persistent threat (APT) that has been active since at least 2014, targeting government agencies and organizations in Southeast Asia. It is believed to be a state-sponsored group with ties to China's Ministry of State Security (MSS). The APT uses sophisticated techniques such as spear phishing emails, malware drops, and social engineering tactics to gain access to sensitive information from its targets. Once inside the network, Seashell Blizzard can steal data, install backdoors for future exploitation, or even launch destructive attacks on critical infrastructure. The group has been linked to several high-profile cyber espionage campaigns in Southeast Asia and is considered a significant threat to national security by governments in the region.

Techniques, tactics and practices:

Seashell Blizzard is an advanced persistent threat that uses a variety of sophisticated techniques to gain access to sensitive information from its targets. Some of these tactics include spear phishing emails, malware drops, and social engineering attacks such as impersonating legitimate organizations or individuals in order to trick the target into revealing their login credentials or downloading infected files. Once inside a network, Seashell Blizzard can steal data, install backdoors for future exploitation, or even launch destructive attacks on critical infrastructure. The group is also known to use advanced malware and zero-day vulnerabilities in order to bypass security measures and gain access to sensitive information. Overall, the tactics of Seashell Blizzard demonstrate a high level of sophistication and persistence in their attempts to steal valuable data from government agencies and organizations in Southeast Asia.