""ET TROJAN Observed DarkSide Ransomware Domain (temisleyes .com in TLS SNI)""

SID: 2032940

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 2021_05_11, deployment Perimeter, signature_severity Major, tag Ransomware, updated_at 2021_05_11, mitre_tactic_id TA0040, mitre_tactic_name Impact, mitre_technique_id T1486, mitre_technique_name Data_Encrypted_for_Impact

Reference:

  • md5

  • f00aded4c16c0e8c3b5adfc23d19c609

Protocol: tcp

Source Network: $HOME_NET

Source Port: any

Destination Network: $EXTERNAL_NET

Destination Port: 443

Flow: established,to_server

Contents:

  • Value: "|16|"

  • Value: "|01|"

  • Value: "|00 00 0e|temisleyes.com"

Within: 8

PCRE:

Special Options:

  • fast_pattern

source