Whitefly
Whitefly is a cyber espionage group that has been active since at least 2017. This group has primarily targeted organizations in Singapore across several industries and focused on stealing large amounts of sensitive information. This group has been linked to an attack against Singapore’s largest public health organization, SingHealth.
This is a collection of rules based on the presence of indicators of compromise publicly reported as associated with this malicious actor.
Suspicious DNS Request - Whitefly Related Domain Observed
Description
This detection identifies a request to resolve a domain publicly reported as associated with this malicious actor. Malicious actors may use compromised websites for malicious purposes. This detection is powered by the Rapid7 Threat Command Threat Library.
Recommendation
This alert may have been caused by normal web browsing activity by the end user. Review the alert in question. If necessary, rebuild the host from a known, good source and have the user change their password.
MITRE ATT&CK Techniques
- Acquire Infrastructure - T1583
- Domains - T1583.001
- Compromise Infrastructure - T1584
- Domains - T1584.001
Suspicious Process - Whitefly Related Binary Executed
Description
This detection identifies the execution of a file with a hash publicly reported as associated with this malicious actor. Malicious actors may use common System Administration tools for malicious purposes. This detection is powered by the Rapid7 Threat Command Threat Library.
Recommendation
Review the alert in question. If necessary, rebuild the host from a known, good source and have the user change their password.
Suspicious Web Request - Whitefly Related Domain Observed
Description
This detection identifies a request to a domain publicly reported as associated with this malicious actor. Malicious actors may compromise websites for malicious purposes. This detection is powered by the Rapid7 Threat Command Threat Library.
Recommendation
This alert may have been caused by normal web browsing activity by the end user. Review the alert in question. If necessary, rebuild the host from a known, good source and have the user change their password.
MITRE ATT&CK Techniques
- Acquire Infrastructure - T1583
- Domains - T1583.001
- Virtual Private Server - T1583.003
- Server - T1583.004
- Compromise Infrastructure - T1584
- Domains - T1584.001
- Virtual Private Server - T1584.003
- Server - T1584.004