""ET TROJAN SNIcat - Detected C2 Commands (EX)""
SID: 2033806
Revision: 2
Class Type: trojan-activity
Metadata: affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2021_08_26, deployment Perimeter, deployment SSLDecrypt, malware_family SNIcat, signature_severity Major, updated_at 2021_08_26
Reference:
Protocol: tcp
Source Network: $HOME_NET
Source Port: any
Destination Network: $EXTERNAL_NET
Destination Port: 443
Flow: to_server,established
Contents:
-
Value: "|16|" Depth: 1
-
Value: "|01|"
-
Value: "|00 00|"
-
Value: "EX-"
Within: 3
PCRE: "/^[A-Za-z0-9]{16}./R"
Special Options:
- fast_pattern