""ET TROJAN EVILNUM CnC Connectivity Check""
SID: 2030124
Revision: 2
Class Type: trojan-activity
Metadata: affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2020_05_07, deployment Perimeter, signature_severity Major, updated_at 2020_05_07
Reference:
Protocol: tcp
Source Network: $HOME_NET
Source Port: any
Destination Network: $EXTERNAL_NET
Destination Port: $HTTP_PORTS
Flow: established,to_server
Contents:
-
Value: "GET"
-
Value: "/tran/check.php?id=&ver=" Depth: 24
-
Value: "Accept|3a 20|text/html, application/xhtml+xml, /|0d 0a|"
-
Value: !"Referer"
Within:
PCRE: "/&ver=\d.\d$/Ui"
Special Options:
-
http_method
-
http_uri
-
http_header
-
http_header