""ET TROJAN DuckTail APT CnC Activity (GET)""
SID: 2051140
Revision: 2
Class Type: trojan-activity
Metadata: affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, tls_state plaintext, created_at 2024_02_28, deployment Perimeter, confidence High, signature_severity Critical, updated_at 2024_04_29
Reference:
Protocol: tcp
Source Network: $HOME_NET
Source Port: any
Destination Network: $EXTERNAL_NET
Destination Port: $HTTP_PORTS
Flow: established,to_server
Contents:
-
Value: "GET"
-
Value: "/api/filedata/ps/" Depth: 17
-
Value: "WindowsPowerShell/"
Within:
PCRE: "/^User-Agent\x3a\x20.+WindowsPowerShell\/.+[\r\n]/Hmi"
Special Options:
-
http_method
-
http_uri
-
nocase
-
fast_pattern
-
http_header