""ET TROJAN Observed Malicious SSL/TLS Certificate (QakBot)""

SID: 2039578

Revision: 1

Class Type: trojan-activity

Metadata: attack_target Client_Endpoint, created_at 2022_10_26, deployment Perimeter, malware_family Qbot, signature_severity Major, updated_at 2022_10_26

Reference:

• Link

Protocol: tcp

Source Network: $EXTERNAL_NET

Source Port: 443

Destination Network: $HOME_NET

Destination Port: any

Flow: established,to_client

Contents:

• Value: "|16|"

• Value: "|0b|"

• Value: "|06 03 55 04 06|"

• Value: "|02|PT"

• Value: "|06 03 55 04 0b|"

• Value: "|17|Egnvvheisi Knty Jvtshyi"

• Value: "|06 03 55 04 03|"

• Value: "|0e|ragouxvase.biz"

Within: 15

PCRE:

Special Options:

• fast_pattern

source