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
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
Forward Windows Event Logs to a hardened, segmented server to prevent actors from clearing their tracks. SS-Bet-001_s.7z
.7z (a 7-Zip compressed archive), often protected with a password.
The actor uses the 7z.exe utility to compress and password-protect stolen data before exfiltrating it from the victim's network. Security professionals monitor for the execution of commands
This and similar files are frequently found in "staging" directories such as: C:\Windows\Temp\ C:\Users\Public\ C:\Perflogs\ . Forensic Indicators
According to a joint cybersecurity advisory by the Cybersecurity and Infrastructure Security Agency (CISA) , this file is used by threat actors as part of "living off the land" (LotL) techniques. These techniques involve using legitimate system tools and files to blend in with normal network activity and avoid detection by security software. Key Characteristics Overview of Activity Forward Windows Event Logs to
To protect against activity involving this artifact, organizations are encouraged to: