To protect against activity involving this artifact, organizations are encouraged to:
Security professionals monitor for the execution of commands like 7z.exe a -p {REDACTED} c:\windows\temp\SS-Bet-001_s.7z . Because the file name often follows specific patterns or remains consistent across different victims, its presence is a high-confidence indicator of a compromise. Mitigations
The actor uses the 7z.exe utility to compress and password-protect stolen data before exfiltrating it from the victim's network. SS-Bet-001_s.7z
Forward Windows Event Logs to a hardened, segmented server to prevent actors from clearing their tracks.
Volt Typhoon (also known as Bronze Silhouette or Vanguard Panda). Forward Windows Event Logs to a hardened, segmented
Audit 7z.exe executions, especially those involving temporary or public directories.
is a specific compressed archive file identified by international cybersecurity agencies as an artifact associated with Volt Typhoon , a state-sponsored cyber actor based in the People's Republic of China (PRC). Overview of Activity is a specific compressed archive file identified by
This and similar files are frequently found in "staging" directories such as: C:\Windows\Temp\ C:\Users\Public\ C:\Perflogs\ . Forensic Indicators