""ET TROJAN Tick Group APT Activity (GET)""
SID: 2044955
Revision: 1
Class Type: trojan-activity
Metadata: attack_target Client_Endpoint, created_at 2023_04_14, deployment Perimeter, confidence Medium, signature_severity Major, updated_at 2023_04_14
Reference:
Protocol: tcp
Source Network: $HOME_NET
Source Port: any
Destination Network: $EXTERNAL_NET
Destination Port: $HTTP_PORTS
Flow: established,to_server
Contents:
-
Value: "|3b 20|Win32|29 3b|"
-
Value: "GET //"
-
Value: !"Referer|3a 20|"
Within:
PCRE: "/^User-Agent\x3a\x20[^\r\n]+\x3b\x20Win32\x29\x3b(?:[0-9]{1,4})\r\n/Hmi"
Special Options:
-
http_header
-
fast_pattern
-
http_header