""ET TROJAN ELF/RedXOR CnC Checkin""
SID: 2031934
Revision: 2
Class Type: trojan-activity
Metadata: affected_product Linux, attack_target Client_and_Server, created_at 2021_03_11, deployment Perimeter, malware_family RedXOR, signature_severity Major, updated_at 2021_03_11
Reference:
Protocol: tcp
Source Network: [$HOME_NET,$HTTP_SERVERS]
Source Port: any
Destination Network: $EXTERNAL_NET
Destination Port: $HTTP_PORTS
Flow: established,to_server
Contents:
-
Value: "POST"
-
Value: "Total-Length|3a 20|00000"
-
Value: "Content-Length|3a 20|00000"
Within:
PCRE: "/^[\x20-\x7e\r\n]{0,13}[^\x20-\x7e\r\n]/Psi"
Special Options:
-
http_method
-
http_header
-
fast_pattern
-
http_header