""ET TROJAN Suspected Tick Group APT Related Activity (GET)""
SID: 2044932
Revision: 1
Class Type: trojan-activity
Metadata: attack_target Client_Endpoint, created_at 2023_04_13, deployment Perimeter, performance_impact Moderate, signature_severity Major, updated_at 2023_04_14
Reference:
Protocol: tcp
Source Network: $HOME_NET
Source Port: any
Destination Network: $EXTERNAL_NET
Destination Port: 1024:
Flow: established,to_server
Contents:
-
Value: "GET"
-
Value: "|3b 20|WinHttp.WinHttpRequest."
Within:
PCRE: "/^Connection\x3a\x20[^\r\n]+\r\nAccept\x3a\x20[^\r\n]+\r\nUser-Agent\x3a\x20[^\r\n]+\r\nHost\x3a\x20[^\r\n]+[\r\n]+$/H"
Special Options:
-
http_method
-
fast_pattern
-
http_header