Hub configuration

Name: Suspicious Advpack Call Via Rundll32.EXE
Author: sigmahq

More info

Suspicious Advpack Call Via Rundll32.EXE Detection Scenario by sigmahq | CrowdSec Hub

« Suspicious Advpack Call Via Rundll32.EXE »
v0.2 by sigmahq / proc_creation_win_rundll32_advpack_obfuscated_ordinal_call
Attack scenariowindowsNot spoofableLow confidence

Detects execution of "rundll32" calling "advpack.dll" with potential obfuscated ordinal calls in order to leverage the "RegisterOCX" function

Installation

cscli scenarios install sigmahq/proc_creation_win_rundll32_advpack_obfuscated_ordinal_call

YAML Configuration

1type: trigger
2name: sigmahq/proc_creation_win_rundll32_advpack_obfuscated_ordinal_call
3description: |
4  Detects execution of "rundll32" calling "advpack.dll" with potential obfuscated ordinal calls in order to leverage the "RegisterOCX" function
5filter: |
6  (evt.Meta.service == 'sysmon' && evt.Parsed.EventID == '1') && ((evt.Parsed.Image endsWith '\\rundll32.exe' || evt.Parsed.OriginalFileName == 'RUNDLL32.EXE' || evt.Parsed.CommandLine contains 'rundll32') && evt.Parsed.CommandLine contains 'advpack' && (evt.Parsed.CommandLine contains '#+' && evt.Parsed.CommandLine contains '12' || evt.Parsed.CommandLine contains '#-'))
7blackhole: 2m
8#status: test
9labels:
10  service: windows
11  confidence: 1
12  spoofable: 0
13  classification:
14
15  label: "Suspicious Advpack Call Via Rundll32.EXE"
16  behavior : "windows:audit"
17  remediation: false
18
19scope:
20  type: ParentProcessId
21  expression: evt.Parsed.ParentProcessId
22
23

Hub configuration

« Suspicious Advpack Call Via Rundll32.EXE »v0.2 by sigmahq / proc_creation_win_rundll32_advpack_obfuscated_ordinal_callAttack scenariowindowsNot spoofableLow confidence

« Suspicious Advpack Call Via Rundll32.EXE »
v0.2 by sigmahq / proc_creation_win_rundll32_advpack_obfuscated_ordinal_call
Attack scenariowindowsNot spoofableLow confidence