""ET TROJAN Alphacrypt/TeslaCrypt Ransomware CnC Beacon Response""
SID: 2021724
Revision: 5
Class Type: trojan-activity
Metadata: attack_target Client_Endpoint, created_at 2015_08_28, deployment Perimeter, signature_severity Major, tag c2, updated_at 2015_12_18, mitre_tactic_id TA0011, mitre_tactic_name Command_And_Control, mitre_technique_id T1041, mitre_technique_name Exfiltration_Over_C2_Channel
Reference:
-
md5
-
ee90ec9935c7b8e1a5dad364d4545851
Protocol: tcp
Source Network: $EXTERNAL_NET
Source Port: $HTTP_PORTS
Destination Network: $HOME_NET
Destination Port: any
Flow: established,to_client
Contents:
- Value: "---!!!INSERTED!!!---"
Within: 20
PCRE:
Special Options:
- file_data