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GSLC · Question #543

A war dialer is a tool that is used to scan thousands of telephone numbers to detect vulnerable modems. It provides an attacker unauthorized access to a computer. Which of the following tools can an…

The correct answer is B. ToneLoc C. THC-Scan. ToneLoc and THC-Scan are dedicated war dialing tools that automatically dial large ranges of telephone numbers to identify modems and remote access systems.

Security Architecture & Engineering

Question

A war dialer is a tool that is used to scan thousands of telephone numbers to detect vulnerable modems. It provides an attacker unauthorized access to a computer. Which of the following tools can an attacker use to perform war dialing? Each correct answer represents a complete solution. Choose all that apply.

Options

  • AWingate
  • BToneLoc
  • CTHC-Scan
  • DNetStumbler

How the community answered

(35 responses)
  • A
    3% (1)
  • B
    94% (33)
  • D
    3% (1)

Why each option

ToneLoc and THC-Scan are dedicated war dialing tools that automatically dial large ranges of telephone numbers to identify modems and remote access systems.

AWingate

Wingate is a proxy server and internet gateway application used to share internet connections, not a tool for scanning telephone numbers.

BToneLocCorrect

ToneLoc is a classic DOS-based war dialing utility that sequentially dials telephone numbers and logs which numbers answer with modem tones, enabling attackers to locate vulnerable dial-up targets.

CTHC-ScanCorrect

THC-Scan (by The Hacker's Choice) is a more advanced war dialer that can detect carrier tones, PBX systems, and voicemail boxes across large phone number ranges, making it a direct tool for war dialing attacks.

DNetStumbler

NetStumbler is a wireless LAN discovery tool (used in war driving) that detects 802.11 Wi-Fi networks, not a telephone-based war dialing utility.

Concept tested: War dialing tools for modem vulnerability scanning

Topics

#war dialing#ToneLoc#THC-Scan#modem vulnerability scanning

Community Discussion

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