Software Supply-Chain Attack Hits Vietnam Government Certification Authority
Dec 17, 2020
Cybersecurity researchers today disclosed a new supply-chain attack targeting the Vietnam Government Certification Authority (VGCA) that compromised the agency's digital signature toolkit to install a backdoor on victim systems. Uncovered by Slovak internet security company ESET early this month, the "SignSight" attack involved modifying software installers hosted on the CA's website ("ca.gov.vn") to insert a spyware tool called PhantomNet or Smanager. According to ESET's telemetry, the breach happened from at least July 23 to August 16, 2020, with the two installers in question — "gca01-client-v2-x32-8.3.msi" and "gca01-client-v2-x64-8.3.msi" for 32-bit and 64-bit Windows systems — tampered to include the backdoor. "The compromise of a certification authority website is a good opportunity for APT groups, since visitors are likely to have a high level of trust in a state organization responsible for digital signatures...
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