Files
hayabusa/rules/sigma/process_creation/win_malware_wannacry.yml
DustInDark 0cfa806baf Feature/addruletype to sigma rule#230 (#235)
* added ruletype to SIGMA rule #230

* added ruletype to SIGMA rule converter tool #231
2021-11-28 18:14:51 +09:00

86 lines
2.1 KiB
YAML

title: WannaCry Ransomware
author: Florian Roth (rule), Tom U. @c_APT_ure (collection), oscd.community, Jonhnathan
Ribeiro
date: 2019/01/16
description: Detects WannaCry ransomware activity
detection:
SELECTION_1:
EventID: 1
SELECTION_10:
CommandLine: '*bcdedit*'
SELECTION_11:
CommandLine: '*/set*'
SELECTION_12:
CommandLine: '*{default}*'
SELECTION_13:
CommandLine: '*recoveryenabled*'
SELECTION_14:
CommandLine: '*no*'
SELECTION_15:
CommandLine: '*wbadmin*'
SELECTION_16:
CommandLine: '*delete*'
SELECTION_17:
CommandLine: '*catalog*'
SELECTION_18:
CommandLine: '*-quiet*'
SELECTION_19:
CommandLine: '*@Please_Read_Me@.txt*'
SELECTION_2:
Image:
- '*\tasksche.exe'
- '*\mssecsvc.exe'
- '*\taskdl.exe'
- '*\taskhsvc.exe'
- '*\taskse.exe'
- '*\111.exe'
- '*\lhdfrgui.exe'
- '*\diskpart.exe'
- '*\linuxnew.exe'
- '*\wannacry.exe'
SELECTION_3:
Image: '*WanaDecryptor*'
SELECTION_4:
CommandLine: '*icacls*'
SELECTION_5:
CommandLine: '*/grant*'
SELECTION_6:
CommandLine: '*Everyone:F*'
SELECTION_7:
CommandLine: '*/T*'
SELECTION_8:
CommandLine: '*/C*'
SELECTION_9:
CommandLine: '*/Q*'
condition: (SELECTION_1 and (SELECTION_2 or SELECTION_3 or (SELECTION_4 and SELECTION_5
and SELECTION_6 and SELECTION_7 and SELECTION_8 and SELECTION_9) or (SELECTION_10
and SELECTION_11 and SELECTION_12 and SELECTION_13 and SELECTION_14) or (SELECTION_15
and SELECTION_16 and SELECTION_17 and SELECTION_18) or SELECTION_19))
falsepositives:
- Diskpart.exe usage to manage partitions on the local hard drive
fields:
- CommandLine
- ParentCommandLine
id: 41d40bff-377a-43e2-8e1b-2e543069e079
level: critical
logsource:
category: process_creation
product: windows
modified: 2020/09/01
references:
- https://www.hybrid-analysis.com/sample/ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa?environmentId=100
status: experimental
tags:
- attack.lateral_movement
- attack.t1210
- attack.discovery
- attack.t1083
- attack.defense_evasion
- attack.t1222.001
- attack.t1222
- attack.impact
- attack.t1486
- attack.t1490
ruletype: SIGMA