""ET TROJAN PS/SunCrypt Ransomware CnC Activity""

SID: 2030907

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_24, deployment Perimeter, malware_family SunCrypt, signature_severity Major, tag Ransomware, updated_at 2020_09_24, mitre_tactic_id TA0040, mitre_tactic_name Impact, mitre_technique_id T1486, mitre_technique_name Data_Encrypted_for_Impact

Reference:

• md5

• c171bcd34151cbcd48edbce13796e0ed

Protocol: tcp

Source Network: $HOME_NET

Source Port: any

Destination Network: $EXTERNAL_NET

Destination Port: $HTTP_PORTS

Flow: established,to_server

Contents:

• Value: "POST"

• Value: !"."

• Value: "|19 10 03 41 24 29 70 24|" Depth: 8

• Value: !"Referer|3a|"

• Value: !"Accept"

Within:

PCRE:

Special Options:

• http_method

• http_uri

• fast_pattern

• http_client_body

• http_header

• http_header

source