""ET TROJAN Reimageplus Ransomware Checkin""

SID: 2030852

Revision: 2

Class Type: trojan-activity

Metadata: affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2020_09_11, deployment Perimeter, deployment SSLDecrypt, signature_severity Major, tag Ransomware, updated_at 2020_09_11, mitre_tactic_id TA0040, mitre_tactic_name Impact, mitre_technique_id T1486, mitre_technique_name Data_Encrypted_for_Impact

Reference:

• Link

Protocol: tcp

Source Network: $HOME_NET

Source Port: any

Destination Network: $EXTERNAL_NET

Destination Port: $HTTP_PORTS

Flow: established,to_server

Contents:

• Value: "GET /?computer_name=" Depth: 20

• Value: "&userName="

• Value: "&allow=ransom HTTP/1.1|0d 0a|"

Within:

PCRE:

Special Options:

• fast_pattern

source