""ET MALWARE CoinSurf Proxy CnC Response (Refesh Token)""

SID: 2038556

Revision: 2

Class Type: trojan-activity

Metadata: affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, affected_product Mac_OSX, attack_target Client_Endpoint, created_at 2022_08_18, deployment Perimeter, deployment SSLDecrypt, signature_severity Major, updated_at 2023_04_06, reviewed_at 2024_01_26

Reference:

• md5

• 7f04ef97ddb1bcc3fa473b9a01ce4164

Protocol: tcp

Source Network: $EXTERNAL_NET

Source Port: $HTTP_PORTS

Destination Network: $HOME_NET

Destination Port: any

Flow: established,to_client

Contents:

• Value: "200"

• Value: "|7b 22|refresh|22 3a 22|eyJ0eXA" Depth: 19

• Value: ".eyJ0b2tlbl90eXBlIjoicmVmcmVzaC"

Within: 67

PCRE:

Special Options:

• http_stat_code

• file_data

• fast_pattern

source