""ET TROJAN [Fireeye] Backdoor.SUNBURST HTTP Request to avsvmcloud .com""
SID: 2031338
Revision: 3
Class Type: trojan-activity
Metadata: affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2020_12_14, deployment Perimeter, signature_severity Major, updated_at 2020_12_15
Reference:
Protocol: tcp
Source Network: $HOME_NET
Source Port: any
Destination Network: $EXTERNAL_NET
Destination Port: $HTTP_PORTS
Flow: established,to_server
Contents:
-
Value: ".appsync-api."
-
Value: "avsvmcloud.com|0d 0a|"
Within:
PCRE: "/^Host\x3a\x20[^\r\n]+.appsync-api.[^\r\n]+.?avsvmcloud.com$/Hm"
Special Options:
-
http_header
-
http_header
-
fast_pattern