Antivirus Hacktool Detection

Detects a highly relevant Antivirus alert that reports a hack tool or other attack tool. 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 Hacktool Detection
 2id: fa0c05b6-8ad3-468d-8231-c1cbccb64fba
 3status: stable
 4description: |
 5    Detects a highly relevant Antivirus alert that reports a hack tool or other attack tool.
 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/2021/08/16/antivirus-event-analysis-cheat-sheet-v1-8-2/
 9    - https://www.nextron-systems.com/?s=antivirus
10author: Florian Roth (Nextron Systems), Arnim Rupp
11date: 2021-08-16
12modified: 2024-11-02
13tags:
14    - attack.execution
15    - attack.t1204
16logsource:
17    category: antivirus
18detection:
19    selection:
20        - Signature|startswith:
21              - 'ATK/'  # Sophos
22              - 'Exploit.Script.CVE'
23              - 'HKTL'
24              - 'HTOOL'
25              - 'PWS.'
26              - 'PWSX'
27              - 'SecurityTool'
28              # - 'FRP.'
29        - Signature|contains:
30              - 'Adfind'
31              - 'Brutel'
32              - 'BruteR'
33              - 'Cobalt'
34              - 'COBEACON'
35              - 'Cometer'
36              - 'DumpCreds'
37              - 'FastReverseProxy'
38              - 'Hacktool'
39              - 'Havoc'
40              - 'Impacket'
41              - 'Keylogger'
42              - 'Koadic'
43              - 'Mimikatz'
44              - 'Nighthawk'
45              - 'PentestPowerShell'
46              - 'Potato'
47              - 'PowerSploit'
48              - 'PowerSSH'
49              - 'PshlSpy'
50              - 'PSWTool'
51              - 'PWCrack'
52              - 'PWDump'
53              - 'Rozena'
54              - 'Rusthound'
55              - 'Sbelt'
56              - 'Seatbelt'
57              - 'SecurityTool'
58              - 'SharpDump'
59              - 'SharpHound'
60              - 'Shellcode'
61              - 'Sliver'
62              - 'Snaffler'
63              - 'SOAPHound'
64              - 'Splinter'
65              - 'Swrort'
66              - 'TurtleLoader'
67    condition: selection
68falsepositives:
69    - Unlikely
70level: high

References

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