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Volt Typhoon targets US critical infrastructure with living-off-the-land techniques

Volt Typhoon is a threat actor group identified as targeting critical infrastructure, primarily within the United States, using sophisticated living-off-the-land (LotL) techniques. LotL methods involve leveraging legitimate system tools and processes to conduct malicious activities, thereby evading traditional detection mechanisms that focus on known malware signatures or anomalous binaries. This approach allows the adversary to maintain persistence, conduct reconnaissance, and potentially disrupt operations without deploying easily identifiable payloads. The threat is characterized by high confidence in analytic judgment and an almost-certain likelihood of activity, as reported by CIRCL OSINT Feed. Although specific technical details and affected software versions are not disclosed, the targeting of telecoms and critical infrastructure sectors suggests a focus on systems integral to national communications and operational continuity. The absence of known exploits or patches indicates that the threat leverages existing system capabilities rather than exploiting newly discovered vulnerabilities. The use of LotL techniques complicates detection and mitigation, requiring advanced monitoring of legitimate tool usage and behavior analytics. Given the high severity rating and the strategic importance of telecom infrastructure, Volt Typhoon represents a significant threat vector capable of impacting operational integrity and availability of critical services.

Detailed information about Volt Typhoon targets US critical infrastructure with living-off-the-land techniques. Get real-time updates, technical details, and mi

Volt Typhoon targets US critical infrastructure with living-off-the-land techniques - Live Threat Intelligence - Threat Radar | OffSeq.com

OSINT - GreyNoise Observes Active Exploitation of Cisco Vulnerabilities Tied to Salt Typhoon Attacks

The threat pertains to active exploitation attempts targeting Cisco vulnerabilities associated with the Salt Typhoon threat actor group, as observed by GreyNoise through open-source intelligence (OSINT). The specific vulnerability referenced is CVE-2023-20198, which affects Cisco products, though exact affected versions are not detailed in the provided information. Salt Typhoon, also known as UNC3236 or Volt Typhoon, is a known threat actor group with a focus on telecommunications and critical infrastructure sectors. The exploitation attempts are currently observed but no confirmed exploits in the wild have been reported, indicating early-stage or limited activity. The threat level is assessed as medium, with a certainty of 50%, suggesting moderate confidence in the ongoing exploitation attempts. The vulnerability likely involves network-facing Cisco devices commonly deployed in telecom environments, which could allow unauthorized access or disruption if successfully exploited. The lack of detailed technical specifics and patch information limits precise characterization, but the association with Salt Typhoon indicates a strategic targeting of telecom infrastructure, potentially aiming at espionage or disruption. GreyNoise's monitoring provides valuable insight into scanning and exploitation patterns, highlighting the need for vigilance in affected sectors.

CVE-2023-20198: enriched via the vulnerability_lookup module.

CVE-2018-0171: enriched via the vulnerability_lookup module.

CVE-2023-20273: enriched via the vulnerability_lookup module.

tags:"Cisco IOS XE Privilege Escalation Attempt"

CVE-2018-0171 (IOS and IOS XE Smart Install Remote Code Execution)

Detailed information about OSINT - GreyNoise Observes Active Exploitation of Cisco Vulnerabilities Tied to Salt Typhoon Attacks. Get real-time updates, technica

OSINT - GreyNoise Observes Active Exploitation of Cisco Vulnerabilities Tied to Salt Typhoon Attacks - Live Threat Intelligence - Threat Radar | OffSeq.com

Volt Typhoon is a threat actor group identified as targeting critical infrastructure within the United States, employing sophisticated living-off-the-land (LotL) techniques. LotL tactics involve leveraging legitimate system tools and native operating system functionalities to conduct malicious activities, thereby minimizing the use of custom malware and reducing detection likelihood. This approach allows Volt Typhoon to blend into normal network operations, making their presence difficult to detect by traditional security solutions. The group’s focus on critical infrastructure suggests a strategic intent to disrupt or gain persistent access to essential services, potentially impacting sectors such as energy, telecommunications, and utilities. While the specific technical details and attack vectors remain limited in the provided data, the high confidence and almost-certain likelihood tags indicate strong analytic certainty regarding the threat actor’s capabilities and targeting patterns. The absence of known exploits in the wild suggests that Volt Typhoon primarily relies on stealthy, manual intrusion and lateral movement techniques rather than automated exploit kits or mass malware campaigns. Their use of OSINT and living-off-the-land methods implies a high level of operational security and adaptability, complicating detection and response efforts.

Title	Severity	Type	Source	Date

Threats Tagged 'misp-galaxy:threat-actor="volt typhoon"'

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