""ET TROJAN ELF/Muhstik Attempting to Download Payload""
SID: 2025575
Revision: 2
Class Type: trojan-activity
Metadata: attack_target Networking_Equipment, created_at 2018_05_11, deployment Perimeter, malware_family Muhstik, performance_impact Low, signature_severity Major, updated_at 2018_05_11
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: ".php?port="
-
Value: "User-Agent|3a 20|wget/"
-
Value: !"Referer|3a|"
Within:
PCRE:
Special Options:
-
http_method
-
http_uri
-
fast_pattern
-
http_header
-
http_header