""ET MOBILE_MALWARE Android APT-C-23 (graceygretchen .info in TLS SNI)""
SID: 2026400
Revision: 1
Class Type: trojan-activity
Metadata: created_at 2018_09_26, updated_at 2018_09_26, mitre_tactic_id TA0042, mitre_tactic_name Resource_Development, mitre_technique_id T1583, mitre_technique_name Acquire_Infrastructure
Reference:
Protocol: tcp
Source Network: $HOME_NET
Source Port: any
Destination Network: $EXTERNAL_NET
Destination Port: 443
Flow: established,to_server
Contents:
- Value: "|00 00 13|graceygretchen.info"
Within:
PCRE:
Special Options:
- nocase