""ET TROJAN NanoCore RAT Keep-Alive Beacon (Inbound)""
SID: 2046917
Revision: 1
Class Type: trojan-activity
Metadata: affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2020_03_30, deployment Perimeter, malware_family NanoCore, signature_severity Major, tag c2, updated_at 2023_07_26, former_sid 2841753, mitre_tactic_id TA0011, mitre_tactic_name Command_And_Control, mitre_technique_id T1041, mitre_technique_name Exfiltration_Over_C2_Channel
Reference:
Protocol: tcp
Source Network: $EXTERNAL_NET
Source Port: any
Destination Network: $HOME_NET
Destination Port: any
Flow: established,to_client
Contents:
- Value: "|08 00 00 00 c1 c3 d0 32 43 59 a1 78|"
Within:
PCRE:
Special Options:
- fast_pattern