""ET TROJAN Observed VikroStealer CnC Domain in TLS SNI""

SID: 2030381

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 2020_06_23, deployment Perimeter, malware_family VikroStealer, signature_severity Major, updated_at 2020_06_23

Reference:

• md5

• 851c42ec4709bd59d7610591fc38129a

Protocol: tcp

Source Network: $HOME_NET

Source Port: any

Destination Network: $EXTERNAL_NET

Destination Port: 443

Flow: established,to_server

Contents:

• Value: "|00 00 12|tracksupporte.site|00|"

Within:

PCRE:

Special Options:

• fast_pattern

source