""ET TROJAN Arechclient2 Backdoor CnC Checkin""

SID: 2029218

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 2020_01_02, deployment Perimeter, signature_severity Major, updated_at 2020_01_02

Reference:

• md5

• 4ccba79d95dfd7d87b43643058e1cdd0

Protocol: tcp

Source Network: $HOME_NET

Source Port: any

Destination Network: $EXTERNAL_NET

Destination Port: any

Flow: established,to_server

Contents:

• Value: "|7b 22 54 79 70 65 22 3a 22 43 6f 6e 6e 65 63 74 69 6f 6e 54 79 70 65 22 2c 22 43 6f 6e 6e 65 63 74 69 6f 6e 54 79 70 65 22 3a 22 43 6c 69 65 6e 74 22 2c 22 53 65 73 73 69 6f 6e 49 44 22 3a 22|" Depth: 80

• Value: "|22 2c 22 42 6f 74 4e 61 6d 65 22 3a 22|"

• Value: "|22 2c 22 42 6f 74 4f 53 22 3a 22|"

Within:

PCRE:

Special Options:

• fast_pattern

source