Antivirus - Relevant File Paths Alerts Signature
Detects an Antivirus alert in a highly relevant file path or with a relevant file name. This event must not be ignored just because the AV has blocked the malware but investigate, how it came there in the first place.
Sigma rule (View on GitHub)
1title: Antivirus - Relevant File Paths Alerts Signature
2id: c9a88268-0047-4824-ba6e-4d81ce0b907c
3status: test
4description: |
5 Detects an Antivirus alert in a highly relevant file path or with a relevant file name.
6 This event must not be ignored just because the AV has blocked the malware but investigate, how it came there in the first place.
7references:
8 - https://www.nextron-systems.com/?s=antivirus
9author: Florian Roth (Nextron Systems), Arnim Rupp
10date: 2018-09-09
11modified: 2026-06-29
12tags:
13 - attack.resource-development
14 - attack.t1588
15logsource:
16 category: antivirus
17detection:
18 selection_path:
19 Filename|contains:
20 - ':\PerfLogs\'
21 - ':\Temp\'
22 - ':\Users\Default\'
23 - ':\Users\Public\'
24 - ':\Windows\'
25 - '/www/'
26 # - '\Client\'
27 - '\inetpub\'
28 - '\tsclient\'
29 - 'apache'
30 - 'nginx'
31 - 'tomcat'
32 - 'weblogic'
33 selection_ext:
34 Filename|endswith:
35 - '.asax'
36 - '.ashx'
37 - '.asmx'
38 - '.asp'
39 - '.aspx'
40 - '.bat'
41 - '.cfm'
42 - '.cgi'
43 - '.chm'
44 - '.cmd'
45 - '.dat'
46 - '.ear'
47 - '.gif'
48 - '.hta'
49 - '.jpeg'
50 - '.jpg'
51 - '.jsp'
52 - '.jspx'
53 - '.lnk'
54 - '.msc'
55 - '.php'
56 - '.pl'
57 - '.png'
58 - '.ps1'
59 - '.psm1'
60 - '.py'
61 - '.pyc'
62 - '.rb'
63 - '.scf'
64 - '.sct'
65 - '.sh'
66 - '.svg'
67 - '.txt'
68 - '.vbe'
69 - '.vbs'
70 - '.war'
71 - '.wll'
72 - '.wsf'
73 - '.wsh'
74 - '.xll'
75 - '.xml'
76 condition: 1 of selection_*
77falsepositives:
78 - Unlikely
79level: high
References
Related rules
- Relevant Anti-Virus Signature Keywords In Application Log
- Suspicious Execution Of Renamed Sysinternals Tools - Registry
- Usage of Renamed Sysinternals Tools - RegistrySet
- Okta Suspicious Activity Reported by End-user
- Program Executions in Suspicious Folders