""ET TROJAN BACKCONFIG CnC Downloader Activity""
SID: 2030165
Revision: 2
Class Type: trojan-activity
Metadata: attack_target Client_Endpoint, created_at 2020_05_13, deployment Perimeter, malware_family APT_HANGOVER, performance_impact Low, signature_severity Major, updated_at 2020_05_13
Reference:
Protocol: tcp
Source Network: $HOME_NET
Source Port: any
Destination Network: $EXTERNAL_NET
Destination Port: $HTTP_PORTS
Flow: established,to_server
Contents:
-
Value: "/request/httpsrequest|20|"
-
Value: !"Referer"
Within:
PCRE: "/\x0d\x0aHost\x3a\x20\d{1,3}.\d{1,3}.\d{1,3}.\d{1,3}/H"
Special Options:
-
fast_pattern
-
http_header