""ET TROJAN ELF/Mirai Variant UA Inbound (Solar)""
SID: 2027136
Revision: 3
Class Type: trojan-activity
Metadata: attack_target IoT, created_at 2019_03_27, deployment Perimeter, malware_family Mirai, performance_impact Low, signature_severity Informational, updated_at 2019_11_21
Reference:
Protocol: tcp
Source Network: $EXTERNAL_NET
Source Port: $HTTP_PORTS
Destination Network: any
Destination Port: any
Flow: established,to_server
Contents:
- Value: "User-Agent|3a 20|Solar"
Within:
PCRE: "/User-Agent\x3a\x20Solar(?:\/[0-9].0)?\r\n/Hi"
Special Options:
-
http_header
-
fast_pattern
-
nocase