""ET TROJAN Observed TA399/SideWinder Domain (mofa-gov-pk .dowmload .info in TLS SNI)""

SID: 2055071

Revision: 1

Class Type: trojan-activity

Metadata: attack_target Client_Endpoint, created_at 2024_08_08, deployment Perimeter, signature_severity Major, tag Sidewinder, tag TA399, updated_at 2024_08_08

Reference:

Protocol: tcp

Source Network: $HOME_NET

Source Port: any

Destination Network: $EXTERNAL_NET

Destination Port: 443

Flow: established,to_server

Contents:

  • Value: "|16|"

  • Value: "|01|"

  • Value: "|00 00|"

  • Value: "|00|"

  • Value: "mofa-gov-pk.dowmload.info"

Within: 1

PCRE: "/^(?:\x00\x19|.\x2e)mofa-gov-pk.dowmload.info/R"

Special Options:

source