""ET CURRENT_EVENTS Suspected TA445 Spearphishing Related Domain (walidacja-poczty .space in TLS SNI)""
SID: 2035345
Revision: 3
Class Type: trojan-activity
Metadata: affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2022_02_28, deployment Perimeter, deployment SSLDecrypt, signature_severity Major, updated_at 2022_03_16
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: "walidacja-poczty.space"
Within: 1
PCRE: "/^(?:\x00\x16|.\x2e)walidacja-poczty.space/R"
Special Options: