""ET INFO PNG image exfiltration over raw TCP""

SID: 2035476

Revision: 3

Class Type: misc-activity

Metadata: attack_target Client_Endpoint, created_at 2022_03_16, deployment Perimeter, signature_severity Informational, updated_at 2022_05_23

Reference:

  • md5

  • a271e5179f0a98a295736bd7a41a39fc

Protocol: tcp

Source Network: $HOME_NET

Source Port: ![80,8080]

Destination Network: $EXTERNAL_NET

Destination Port: any

Flow: established,to_server

Contents:

  • Value: "|89|PNG|0d 0a 1a 0a 00 00 00 0d|IHDR|00 00|" Depth: 18

Within:

PCRE:

Special Options:

source