frack113
74fc1c74ec
chore: 🧹 Remove redundant modified field chore: 🧹 Use Mitre tags instead of url chore: 🧹 Use permalink for github file reference chore: 🧹 Order emerging-threats Exploits rules
37 lines
1.1 KiB
YAML
37 lines
1.1 KiB
YAML
title: Win Susp Computer Name Containing Samtheadmin
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id: 39698b3f-da92-4bc6-bfb5-645a98386e45
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status: test
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description: Detects suspicious computer name samtheadmin-{1..100}$ generated by hacktool
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references:
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- https://twitter.com/malmoeb/status/1511760068743766026
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- https://github.com/helloexp/0day/blob/614227a7b9beb0e91e7e2c6a5e532e6f7a8e883c/00-CVE_EXP/CVE-2021-42287/sam-the-admin/sam_the_admin.py
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author: elhoim
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date: 2022-09-09
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modified: 2023-01-04
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tags:
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- cve.2021-42278
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- cve.2021-42287
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- attack.persistence
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- attack.privilege-escalation
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- attack.t1078
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logsource:
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service: security
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product: windows
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detection:
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# Not adding an EventID on purpose to try to match on any event in security (including use of account), not just 4741 (computer account created)
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selection1:
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SamAccountName|startswith: 'SAMTHEADMIN-'
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SamAccountName|endswith: '$'
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selection2:
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TargetUserName|startswith: 'SAMTHEADMIN-'
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TargetUserName|endswith: '$'
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condition: 1 of selection*
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fields:
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- EventID
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- SamAccountName
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- SubjectUserName
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- TargetUserName
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falsepositives:
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- Unknown
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level: critical
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