Suspicious User-Agents Related To Recon Tools

Title: Suspicious User-Agents Related To Recon Tools
Status: test
Description:Detects known suspicious (default) user-agents related to scanning/recon tools
References:
  -https://github.com/commixproject/commix/blob/c7f1447371524427bb30abe731235acc7386153b/src/utils/settings.py#L281
  -https://github.com/epi052/feroxbuster/blob/ffdf871abe0a358a1531ba4135e208d4dbe8fc31/src/config/utils.rs#L100
  -https://github.com/ffuf/ffuf/blob/ce3cf6bd733a24d3a9f024305234c1a6298198eb/pkg/runner/simple.go#L130
  -https://github.com/lanmaster53/recon-ng/blob/9e907dfe09fce2997f0301d746796408e01a60b7/recon/core/base.py#L92
  -https://github.com/nmap/nmap/blob/2e47fa87469fd358ef64689d2d2de7294e385eb8/nselib/http.lua#L160
  -https://github.com/OJ/gobuster/blob/d20300cc46096984565e82fb73a45bf8d281b990/libgobuster/helpers.go#L124
  -https://github.com/sqlmapproject/sqlmap/blob/be216041e2f255ae43b050d466bd5bf92681e665/lib/core/settings.py#L29
  -https://github.com/sullo/nikto/blob/999670cb6a939b6c93840ce666941756e4c5dcf5/program/plugins/nikto_core.plugin#L3515
  -https://github.com/urbanadventurer/WhatWeb/blob/d279d93042d034f3fd29d5a893d44ccc0595d3f8/lib/whatweb.rb#L68
  -https://github.com/wpscanteam/wpscan/blob/4f1ce142b9768044be3e35bd0cddf1052e35efe8/lib/wpscan/browser.rb#L32
  -https://github.com/xmendez/wfuzz/blob/2263cd0932fef333118cd197656f709141bab615/src/wfuzz/facade.py#L43
  -https://github.com/zmap/zgrab2/blob/e91fc9860ca6611eb7c6fe7d2fe2be70212a37ba/modules/http/scanner.go#L54
Author: Nasreddine Bencherchali (Nextron Systems), Tim Shelton
Date: 2022-07-19
modified:2026-06-11
Tags:

• -'attack.initial-access'
• -'attack.t1190'

Logsource:

• category: webserver

Detection:
  selection:
    cs-user-agent|contains:
      -'commix/'
      -'feroxbuster/'
      -'Fuzz Faster U Fool'
      -'GIS - AppSec Team - Project Vision'
      -'gobuster/'
      -'Nikto/'
      -'Nmap Scripting Engine'
      -'Recon-ng/v'
      -'sqlmap/'
      -'WhatWeb/'
      -'Wfuzz/'
      -'WPScan v'
      -'zgrab/'

  condition:selection
Falsepositives:
  -Unknown
Level: medium