""ET TROJAN TA450 GRAMDOOR Telegram CnC Activity (POST)""
SID: 2035409
Revision: 2
Class Type: trojan-activity
Metadata: attack_target Client_Endpoint, created_at 2022_03_08, deployment Perimeter, deployment SSLDecrypt, signature_severity Major, updated_at 2022_03_08
Reference:
Protocol: tcp
Source Network: $HOME_NET
Source Port: any
Destination Network: $EXTERNAL_NET
Destination Port: $HTTP_PORTS
Flow: established,to_server
Contents:
-
Value: "POST"
-
Value: "Host|3a 20|api.telegram.org|0d 0a|"
-
Value: "/bot2003026094:AAGoitvpcx3SFZ2_6YzIs4La_kyDF1PbXrY/sendMessage?" Depth: 63
Within:
PCRE:
Special Options:
-
http_method
-
http_header
-
fast_pattern
-
http_uri