""ET TROJAN TA457 Backdoor CnC Response""

SID: 2037017

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 2022_06_16, deployment Perimeter, malware_family TA457, signature_severity Major, updated_at 2022_08_29

Reference:

• md5

• 29b6b195cf0671901b75b7d2ac6814f6

Protocol: tcp

Source Network: $EXTERNAL_NET

Source Port: 1024:

Destination Network: $HOME_NET

Destination Port: any

Flow: established,to_client

Contents:

• Value: "200000|7c|YXV0bw|3d 3d|" Depth: 15

Within:

PCRE:

Special Options:

• fast_pattern

source