""ET MOBILE_MALWARE Oscorp/UBEL Activity""

SID: 2033679

Revision: 2

Class Type: trojan-activity

Metadata: attack_target Mobile_Client, created_at 2021_08_05, deployment Perimeter, deployment SSLDecrypt, performance_impact Low, signature_severity Major, updated_at 2021_08_05

Reference:

Protocol: tcp

Source Network: $HOME_NET

Source Port: any

Destination Network: $EXTERNAL_NET

Destination Port: $HTTP_PORTS

Flow: established,to_server

Contents:

  • Value: "/api/app/device/" Depth: 16

  • Value: "|3b 20|Android|3b 20|"

  • Value: ".xyz|0d 0a|"

  • Value: !"Referer"

Within:

PCRE: "/^Host\x3a\x20[^\r\n]+.xyz/Hmi"

Special Options:

  • fast_pattern

  • http_uri

  • http_header

  • http_header

  • http_header

source