""ET TROJAN Observed Glupteba CnC Domain (realupdate .ru in TLS SNI)""
SID: 2048656
Revision: 1
Class Type: trojan-activity
Metadata: affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2023_10_19, deployment Perimeter, malware_family Glupteba, performance_impact Low, confidence High, signature_severity Major, updated_at 2023_10_19, reviewed_at 2023_10_19
Reference:
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md5
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5ec3aff6250b871a15f6b853b0687521
Protocol: tcp
Source Network: $HOME_NET
Source Port: any
Destination Network: $EXTERNAL_NET
Destination Port: 443
Flow: established,to_server
Contents:
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Value: "|16|"
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Value: "|01|"
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Value: "|00 00|"
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Value: "|00|"
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Value: "realupdate.ru"
Within: 1
PCRE: "/^(?:\x00\x0d|.\x2e)realupdate.ru/R"
Special Options: