""ET POLICY Suspicious EXE Download Content-Type image/jpeg""

SID: 2026537

Revision: 2

Class Type: policy-violation

Metadata: affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2018_10_23, deployment Perimeter, performance_impact Moderate, signature_severity Major, updated_at 2018_10_23

Reference:

Protocol: tcp

Source Network: $EXTERNAL_NET

Source Port: $HTTP_PORTS

Destination Network: $HOME_NET

Destination Port: any

Flow: established,to_client

Contents:

• Value: "Content-Type|3a 20|image/jpeg|0d 0a|"

• Value: "MZ"

• Value: "PE|00 00|"

Within: 4

PCRE:

Special Options:

• http_header

• file_data

• fast_pattern

source