""ET TROJAN Cayosin Botnet User-Agent Observed M2""
SID: 2026877
Revision: 4
Class Type: trojan-activity
Metadata: affected_product Linux, attack_target Server, created_at 2019_02_04, deployment Perimeter, malware_family Mirai, malware_family Cayosin, performance_impact Low, signature_severity Major, updated_at 2019_03_05
Reference:
Protocol: tcp
Source Network: $HOME_NET
Source Port: any
Destination Network: $EXTERNAL_NET
Destination Port: $HTTP_PORTS
Flow: established,to_server
Contents:
- Value: "User-Agent|3a 20|Cock/2.0|0d|"
Within:
PCRE:
Special Options:
- http_header