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Log4Shell Analysis through January 2022

ID: 0e8e1a3f-db1e-5b11-a3e5-c4f135c99947

STIX ID: report--0e8e1a3f-db1e-5b11-a3e5-c4f135c99947

Feed Name: Arctic Wolf Blog

Threat Score
75/100

Date Published: 2022-01-28

Date Updated: 2026-04-26

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Arctic Wolf reviewed Log4Shell (CVE-2021-44228) activity across 2,300+ customers through Jan 25, 2022, identifying 29,338 scanning incidents, 252 successful RCEs impacting 70 customers, and follow-on activity including Cobalt Strike beaconing, Night Sky ransomware (AQUATIC PANDA/DEV-0401) attempts, and XMrig cryptominer deployments; most intrusions were detected and contained through layered defenses and SOC response.

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