Classe: Worm
Worms espalhados em redes de computadores através de recursos de rede. Diferentemente do Net-Worms, um usuário deve iniciar um Worm para que ele seja ativado. Esse tipo de worm pesquisa redes de computadores remotas e copia a si mesmo para diretórios que são acessíveis para leitura / gravação (se encontrar algum). Além disso, esses worms usam funções integradas do sistema operacional para procurar diretórios de rede acessíveis e / ou pesquisam aleatoriamente computadores na Internet, conectam-se a eles e tentam obter acesso total aos discos desses computadores. Essa categoria também abrange os worms que, por um motivo ou outro, não se encaixam em nenhuma das outras categorias definidas acima (por exemplo, worms para dispositivos móveis).Plataforma: Win32
O Win32 é uma API em sistemas operacionais baseados no Windows NT (Windows XP, Windows 7, etc.) que oferece suporte à execução de aplicativos de 32 bits. Uma das plataformas de programação mais difundidas do mundo.Família: Worm.Win32.VBNA
No family descriptionExamples
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Tactics and Techniques: Mitre*
TA0011
Command and Control
The adversary is trying to communicate with compromised systems to control them.
Command and Control consists of techniques that adversaries may use to communicate with systems under their control within a victim network. Adversaries commonly attempt to mimic normal, expected traffic to avoid detection. There are many ways an adversary can establish command and control with various levels of stealth depending on the victim’s network structure and defenses.
Command and Control consists of techniques that adversaries may use to communicate with systems under their control within a victim network. Adversaries commonly attempt to mimic normal, expected traffic to avoid detection. There are many ways an adversary can establish command and control with various levels of stealth depending on the victim’s network structure and defenses.
T1568
Dynamic Resolution
Adversaries may dynamically establish connections to command and control infrastructure to evade common detections and remediations. This may be achieved by using malware that shares a common algorithm with the infrastructure the adversary uses to receive the malware's communications. These calculations can be used to dynamically adjust parameters such as the domain name, IP address, or port number the malware uses for command and control.
Adversaries may use dynamic resolution for the purpose of Fallback Channels. When contact is lost with the primary command and control server malware may employ dynamic resolution as a means to reestablishing command and control.(Citation: Talos CCleanup 2017)(Citation: FireEye POSHSPY April 2017)(Citation: ESET Sednit 2017 Activity)
Adversaries may use dynamic resolution for the purpose of Fallback Channels. When contact is lost with the primary command and control server malware may employ dynamic resolution as a means to reestablishing command and control.(Citation: Talos CCleanup 2017)(Citation: FireEye POSHSPY April 2017)(Citation: ESET Sednit 2017 Activity)
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