""ET CURRENT_EVENTS [Fireeye] Backdoor.HTTP.BEACON.[CSBundle MSOffice Server]""
SID: 2031279
Revision: 4
Class Type: trojan-activity
Metadata: affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2020_12_08, deployment Perimeter, signature_severity Major, tag c2, updated_at 2020_12_12, 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: $HTTP_PORTS
Destination Network: $HOME_NET
Destination Port: any
Flow: established,from_server
Contents:
-
Value: "HTTP/1." Depth: 7
-
Value: "|7b 22|meta|22 3a 7b 7d 2c 22|status|22 3a 22|OK|22 2c 22|saved|22 3a 22|1|22 2c 22|starttime|22 3a|17656184060|2c 22|id|22 3a 22 22 2c 22|vims|22 3a 7b 22|dtc|22 3a 22|"
Within:
PCRE:
Special Options:
-
file_data
-
fast_pattern