""ET TROJAN HTA.BabyShark HTTP Exfil""

SID: 2027377

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 2019_05_24, deployment Perimeter, malware_family BabyShark, signature_severity Major, updated_at 2019_05_24

Reference:

  • md5

  • 94b60cf91e550e1d981aaf9962d52e18

Protocol: tcp

Source Network: $HOME_NET

Source Port: any

Destination Network: $EXTERNAL_NET

Destination Port: $HTTP_PORTS

Flow: established,to_server

Contents:

  • Value: "POST"

  • Value: "/upload.php"

  • Value: "filename=|22|ttmp1.log|22|"

  • Value: "BEGIN|20|CERTIFICATE"

  • Value: !"Referer"

  • Value: !"User-Agent"

Within:

PCRE:

Special Options:

  • http_method

  • http_uri

  • http_client_body

  • fast_pattern

  • http_client_body

  • http_header

  • http_header

source