""ET TROJAN [CISA AA21-291A] Possible BlackMatter Ransomware Lateral Movement""
SID: 2034225
Revision: 2
Class Type: trojan-activity
Metadata: attack_target Client_Endpoint, created_at 2021_10_19, deployment Perimeter, deployment Internal, malware_family BlackMatter, signature_severity Major, tag Ransomware, updated_at 2021_10_19, mitre_tactic_id TA0008, mitre_tactic_name Lateral_Movement, mitre_technique_id T1570, mitre_technique_name Lateral_Tool_Transfer
Reference:
Protocol: tcp
Source Network: any
Source Port: any
Destination Network: [$HOME_NET,$HTTP_SERVERS]
Destination Port: 445
Flow:
Contents:
-
Value: "|01 00 00 00 00 00 05 00 01 00|"
-
Value: "|2e 00 52 00 45 00 41 00 44 00 4d 00 45 00 2e 00 74 00|"
Within:
PCRE:
Special Options:
- fast_pattern