""ET TROJAN Golang/Kaos/YamaBot CnC Activity M2 (POST)""
SID: 2037252
Revision: 1
Class Type: trojan-activity
Metadata: attack_target Client_Endpoint, created_at 2022_07_01, deployment Perimeter, malware_family Lazarus, signature_severity Major, updated_at 2022_07_01
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: "User-Agent|3a 20|TW96"
-
Value: !"Referer|3a 20|"
Within:
PCRE: "/^User-Agent\x3a\x20(?:[A-Za-z0-9+/]{4})*(?:[A-Za-z0-9+/]{2}==|[A-Za-z0-9+/]{3}=|[A-Za-z0-9+/]{4})\r\n/Hm"
Special Options:
-
http_method
-
fast_pattern
-
http_header
-
http_header