""ET TROJAN TA402/Molerats Payload Downloaded""

SID: 2035113

Revision: 1

Class Type: trojan-activity

Metadata: affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2021_12_27, deployment Perimeter, malware_family Molerats, signature_severity Major, updated_at 2021_12_27

Reference:

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: "import base64|0a|from datetime import date" Depth: 39

  • Value: "timestamp = date.today|28 29 2e|strftime|28 22 25|m|25|d|25|Y|22 29|"

  • Value: "base64.b64encode(bytes(timestamp"

  • Value: "print|28 22|http"

  • Value: "|2f 25 73 25 73 22 20 25 20 28 22 52 22 2c 20 75 72 69 29 29|"

Within:

PCRE:

Special Options:

  • http_stat_code

  • file_data

  • fast_pattern

source