""ET TROJAN Observed Certificate Containing Double Base64 Encoded Executable Inbound""
SID: 2029277
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 2020_01_14, deployment Perimeter, signature_severity Major, updated_at 2022_05_03, reviewed_at 2024_04_30
Reference:
Protocol: tcp
Source Network: $EXTERNAL_NET
Source Port: $HTTP_PORTS
Destination Network: $HOME_NET
Destination Port: any
Flow: established,to_client
Contents:
-
Value: "200"
-
Value: "-----BEGIN CERTIFICATE-----|0d 0a|" Depth: 100
-
Value: "GVYTjBaVzB"
Within:
PCRE:
Special Options:
-
http_stat_code
-
file_data
-
fast_pattern