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A recent post by Vietnamese cybersecurity company GTSC detailed findings from a #MicrosoftExchange breach that stemmed from CVE-2022-41040 and CVE-2022-41082. @Volexity ties this to a CN threat actor it tracks that targets organizations using #OWA and #Zimbra.
#volexintel 1/7
#volexintel 1/7
Specifically the post highlights IP 206.188.196.77, which hosted the domain rkn-redirect[.]net. @Volexity previously identified this domain as a phishing domain targeting #OWA users. Note some subdomains offer clues about the likely targeting.
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.@Volexity has linked the rkn-redirect[.]net domain to several others through domain registration patterns & banner data patterns.
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