""ET TROJAN Possible APT 41 Fake Server Response""
SID: 2028837
Revision: 2
Class Type: trojan-activity
Metadata: affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, created_at 2019_10_16, deployment Perimeter, malware_family LOWKEY, performance_impact Low, signature_severity Major, tag APT41, updated_at 2019_10_16
Reference:
Protocol: tcp
Source Network: $EXTERNAL_NET
Source Port: $HTTP_PORTS
Destination Network: $HOME_NET
Destination Port: any
Flow: established,from_server
Contents:
-
Value: "200"
-
Value: "Server|3a 20|Microsoft-IIS|2f 20|10.0|20|Microsoft-HTTPAPI/2.0|0d|"
Within:
PCRE:
Special Options:
-
http_stat_code
-
http_header