""ET TROJAN Possible Chimera Ransomware - Bitmessage Activity""

SID: 2022075

Revision: 1

Class Type: policy-violation

Metadata: attack_target Client_Endpoint, created_at 2015_11_12, deployment Perimeter, signature_severity Major, tag Ransomware, updated_at 2015_11_12, mitre_tactic_id TA0040, mitre_tactic_name Impact, mitre_technique_id T1486, mitre_technique_name Data_Encrypted_for_Impact

Reference:

Protocol: tcp

Source Network: $HOME_NET

Source Port: any

Destination Network: $EXTERNAL_NET

Destination Port: 8080

Flow: established,to_server

Contents:

  • Value: "version" Depth: 7 Offset: 4

  • Value: "Bitmessage|3a|"

Within:

PCRE:

Special Options:

source