""ET TROJAN Observed ClearFake Domain (cdnforfiles .xyz in TLS SNI)""
SID: 2052862
Revision: 1
Class Type: trojan-activity
Metadata: affected_product Web_Browsers, attack_target Client_Endpoint, created_at 2024_05_23, deployment Perimeter, performance_impact Low, confidence High, signature_severity Minor, tag Exploit_Kit, tag ClearFake, updated_at 2024_05_23
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: "cdnforfiles.xyz"
Within: 1
PCRE: "/^(?:\x00\x0f|.\x2e)cdnforfiles.xyz/R"
Special Options: