""ET TROJAN Observed Gamaredon Domain (to30 .procellarumbi .ru in TLS SNI)""
SID: 2046779
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_07_10, deployment Perimeter, signature_severity Major, tag Gamaredon, updated_at 2023_07_10
Reference:
Protocol: tcp
Source Network: $HOME_NET
Source Port: any
Destination Network: $EXTERNAL_NET
Destination Port: 443
Flow: established,to_server
Contents:
-
Value: "|16|"
-
Value: "|01|"
-
Value: "|00 00|"
-
Value: "|00|"
-
Value: "to30.procellarumbi.ru"
Within: 1
PCRE: "/^(?:\x00\x15|.\x2e)to30.procellarumbi.ru/R"
Special Options: