""ET TROJAN MSIL/G1 Stealer/GravityRAT Uploading File""

SID: 2025538

Revision: 2

Class Type: trojan-activity

Metadata: affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2018_04_26, deployment Perimeter, malware_family GravityRAT, performance_impact Low, signature_severity Major, updated_at 2018_04_26

Reference:

Protocol: tcp

Source Network: $HOME_NET

Source Port: any

Destination Network: $EXTERNAL_NET

Destination Port: any

Flow: established,to_server

Contents:

  • Value: "GET" Depth: 3

  • Value: "?Value=11&FileName="

  • Value: "&FileSize="

  • Value: "&Macid="

  • Value: "&UserCode="

  • Value: "|20|HTTP/"

  • Value: "|0d 0a|"

Within: 4

PCRE:

Special Options:

  • fast_pattern

source