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Mallory pivots from this family to the IOCs, detections, and named campaigns that touch your stack, and pages you when something new lands.
3 CVEs Mallory has correlated with this family across public research and vendor advisories. Each row links to the full Mallory page for that vulnerability.
In this incident, COBALT MIRAGE exploited the ProxyShell vulnerabilities (CVE-2021-34473, CVE-2021-34523, and CVE-2021-31207). | In this incident, COBALT MIRAGE exploited the ProxyShell vulnerabilities (CVE-2021-34473, CVE-2021-34523, and CVE-2021-31207). Although the ProxyShell vulnerabilities were disclosed in August 2021, COBALT MIRAGE continues to have success exploiting them to compromise organizations. | In keeping with their established intrusion pattern, the threat actors deployed multiple web shells and TunnelFish, a customized variant of Fast Reverse Proxy (FRPC).
In this incident, COBALT MIRAGE exploited the ProxyShell vulnerabilities (CVE-2021-34473, CVE-2021-34523, and CVE-2021-31207). | In keeping with their established intrusion pattern, the threat actors deployed multiple web shells and TunnelFish, a customized variant of Fast Reverse Proxy (FRPC).
In this incident, COBALT MIRAGE exploited the ProxyShell vulnerabilities (CVE-2021-34473, CVE-2021-34523, and CVE-2021-31207). | In keeping with their established intrusion pattern, the threat actors deployed multiple web shells and TunnelFish, a customized variant of Fast Reverse Proxy (FRPC).
1 distinct threat actor attributed by public researchers. Open in Mallory to see the full evidence chain and overlapping campaigns.
In keeping with their established intrusion pattern, the threat actors deployed multiple web shells and TunnelFish, a customized variant of Fast Reverse Proxy (FRPC).
7 distinct techniques documented for this family, organized by ATT&CK tactic.
The TunnelFish sample was configured to communicate with two command and control (C2) domains: gupdate . us and msupdate . top.
The TunnelFish sample was configured to communicate with two command and control (C2) domains: gupdate . us and msupdate . top.
9 indicators attributed across vendor reports, sandbox runs, and researcher write-ups. Full values are available in Mallory.
IPs, domains, and DNS infrastructure linked to this family.
File hashes (MD5, SHA-1, SHA-256) from samples and reports.
3 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
A modified version of Fast Reverse Proxy used by COBALT MIRAGE Cluster A for remote access.
A customized FRPC-based tunneling/backdoor tool used by COBALT MIRAGE for command-and-control and access into victim environments.
A custom FRPC variant used to enable remote access on compromised systems after exploitation of internet-facing vulnerabilities.
Match every observed IP, domain, and hash against your live telemetry.
Named campaigns wielding this family, with evidence pinned to each claim.
CVEs this family uses for access and lateral movement.
YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.
Every documented technique, ranked by evidence weight.
Reddit, Mastodon, and CTI community discussion around this family.