""ET TROJAN TeleBots VBS Backdoor CnC Beacon 2""

SID: 2023656

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 2016_12_16, deployment Perimeter, malware_family TeleBots_payload, signature_severity Major, tag c2, updated_at 2016_12_16, mitre_tactic_id TA0011, mitre_tactic_name Command_And_Control, mitre_technique_id T1041, mitre_technique_name Exfiltration_Over_C2_Channel

Reference:

• Link

Protocol: tcp

Source Network: $HOME_NET

Source Port: any

Destination Network: $EXTERNAL_NET

Destination Port: $HTTP_PORTS

Flow: established,to_server

Contents:

• Value: "GET"

• Value: "?-----BEGIN|20|CERTIFICATE-----"

• Value: "-----END|20|CERTIFICATE-----"

• Value: !"Referer|3a|"

Within:

PCRE: "/END\x20CERTIFICATE-----$/U"

Special Options:

• http_method

• http_uri

• fast_pattern

• http_uri

• http_header

source