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SOLOSHRED is a destructive disk-wiping malware family targeting Solaris systems. It was deployed by Sandworm, the Russian military intelligence threat group associated with GRU Unit 74455, during the April 2022 attack against a Ukrainian energy provider. The operation combined Industroyer2, intended to disrupt high-voltage electrical substations, with CaddyWiper, ORCSHRED, SOLOSHRED, and AWFULSHRED to destroy data across supporting infrastructure and impede recovery. SOLOSHRED served as the Solaris full-disk wiping component rather than the industrial-control-system manipulation component. The operation’s destructive actions were scheduled for April 8, 2022, and the attempted electricity disruption was thwarted. The initial compromise method has not been established.
Mallory pivots from this family to the IOCs, detections, and named campaigns that touch your stack, and pages you when something new lands.
1 distinct threat actor attributed by public researchers. Open in Mallory to see the full evidence chain and overlapping campaigns.
Industroyer2 has also been accompanied by various wiper malware types, including “CaddyWiper,” “ORCSHRED,” “SOLOSHRED,” and “AWFULSHRED.”
2 distinct techniques documented for this family, organized by ATT&CK tactic.
7 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
Wiper used alongside Industroyer.V2 to target Solaris systems in an OT-related destructive attack.
One of the destructive wipers accompanying Industroyer2. The article collectively describes ORCSHRED, SOLOSHRED, and AWFULSHRED as tools for destroying full disks on Linux and Solaris systems, without specifying each tool’s platform.
Disk-wiping malware used against Linux or Solaris systems to destroy data and complicate restoration efforts.
Destructive malware family used by Sandworm alongside Industroyer2.
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.