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scanlogd 2.2.7
Posted Oct 23, 2013
Authored by Solar Designer | Site openwall.com

scanlogd is a system daemon which attempts to log all portscans of a host to the syslog, in a secure fashion.

Changes: An off-by-one bug in a safety check has been corrected. The bug did not affect scanlogd itself, but it may be a security issue in other projects reusing code from scanlogd. The license has been changed to heavily cut-down BSD.
tags | tool
systems | unix
MD5 | d89a028c8ae29b96458d0763f5a2d625
scanlogd-2.2.6.tar.gz
Posted Mar 15, 2006
Authored by Solar Designer | Site openwall.com

Scanlogd is a TCP port scan detection tool originally designed to illustrate various attacks an IDS developer has to deal with, for a here.

Changes: Check changelog.
tags | tcp
systems | unix
MD5 | 7b8187ea718ebe47f22805b921b909ab
scanlogd-2.2.5.tar.gz
Posted Jul 5, 2004
Authored by Solar Designer | Site openwall.com

Scanlogd is a TCP port scan detection tool originally designed to illustrate various attacks an IDS developer has to deal with, for a here.

Changes: Tuned code.
tags | tcp
systems | unix
MD5 | 6b53ad390a51f0835e66b1efa84d710a
scanlogd-2.2.4.tar.gz
Posted Jun 3, 2004
Authored by Solar Designer | Site openwall.com

Scanlogd is a TCP port scan detection tool originally designed to illustrate various attacks an IDS developer has to deal with, for a here.

tags | tcp
systems | unix
MD5 | 69b8e9051f5119439bfdddc13abd8315
scanlogd-2.2.tar.gz
Posted Nov 13, 2000
Authored by Solar Designer | Site openwall.com

Scanlogd v2.1 is a TCP port scan detection tool for linux, originally designed to illustrate various attacks an IDS developer has to deal with, for a here.

Changes: Support for Libnids 1.14, bug fixes.
tags | tcp
systems | linux, unix
MD5 | bb4586e116c579dbdd359da9c6560556
scanlogd-2.1.tar.gz
Posted Apr 25, 2000
Authored by Solar Designer | Site openwall.com

Scanlogd v2.1 is a TCP port scan detection tool for linux, originally designed to illustrate various attacks an IDS developer has to deal with, for a here.

tags | tcp
systems | linux, unix
MD5 | 63ffab643c61f932faabed8c6aa2b68e
scandetd-1.1.3.tar.gz
Posted Dec 16, 1999

Watches for TCP connection, records state for the past 1 second - if multiple connections occur from the same host, an internal counter is increased for that IP. If the counter reaches some value (which can be changed in #define) scandetd will send email to administrator. Information sent includes time, ip address, number of connections made, first and last connection times, and guessed type of scan (syn/fin). Logs to syslog by default. Configurable to allow trusted addresses. Tested under linux - possibly sunos and freebsd.

tags | tcp
systems | linux, unix, solaris, freebsd
MD5 | 49e46dec1be32115ddc605960a380dbf
klaxon12.tar.gz
Posted Dec 12, 1999
Site eng.auburn.edu

Modified rexec source - captures ident information upon being portscanned. Does not actually emulate services other than listening at certain tcp ports. This is reported to work under Solarix 2.x and possibly linux. Now modified to provide limited counterintelligence (ident query back to source).

tags | tcp
systems | linux, unix
MD5 | dd6eab901fadb0f386c97e3be850a33c
detect-scans-0.70.tar.bz2
Posted Aug 17, 1999
Authored by Martin Carlzon

This logs and notifies you of portscans run against your host. Some kinds of D.o.S attacks might also get logged.

systems | unix
MD5 | 5c23f25120cc40219e9c637d2c1b8bd1
detect-scans-0.80.tar.gz
Posted Aug 17, 1999
Authored by Martin Carlzon

detect-scans v0.80 logs and notifies you of portscans run against your host. Some kinds of D.o.S attacks might are also logged.

systems | unix
MD5 | 36bfa58cb8b54cd7152064e824128a82
Fakeserv1-1.zip
Posted Aug 17, 1999
Authored by Themag00ru

Fake Service version 1.1 - Fakes a Wingate service and Sendmail service, and listens for and logs scans on those ports.

systems | unix
MD5 | fb889c3cc4211ed41dad168fa353f429
klaxon.tar.gz
Posted Aug 17, 1999

Here's a modification of rexec that I call klaxon. Instead of actually executing anything, it returns a benign error to the caller, and syslogs the calling host, username, and name of attempted service access. It's also extremely useful for detecting portscanner attacks like those perpetrated by ISS and SATAN. Ident support (RFC931) is currently optional. klaxon is useful in place of any tcp or udp service port where you would not suspect activity. For Solaris2.X machines it will also work on the rpc.rexd port.

tags | udp, tcp
systems | unix
MD5 | cb318c58e2411f887c6e169a60d87dae
portwatch.zip
Posted Aug 17, 1999

Portwatch - acts a server, just sits on a port and waits for connections.

systems | unix
MD5 | 53c07cd3f96deb78c5021419467dc330
rwxbo.c
Posted Aug 17, 1999
Authored by KByte

RWX Back Orifice Sweep Scanner - RWXBO is a simple program that will log attempts to scan your ip range, and logs some commands that the attacker might type.

systems | unix
MD5 | 88d5fe7bb1063a45a2ca784185d39328
scandetd.c
Posted Aug 17, 1999
Authored by Michal Suszycki

Scandetd is a port scan detection daemon that waits for incoming tcp connections and tries to recognize port scans. If tripped, scandetd sends email to root@127.0.0.1 with the time, attacking host, number of connections made, port of the first and last connections. Easy on system resources; for Linux; initial release. 6k.

tags | root, tcp
systems | linux, unix
MD5 | 2544ba52168d810e58c9b0b5dded8081
scandetect.pl.txt
Posted Aug 17, 1999
Authored by J-Dog

Basic, but effective perl-based portscan detector.

tags | perl
systems | unix
MD5 | 363cef4ee97ec41ad8cac88f27843f7f
scandetect1.1.pl.txt
Posted Aug 17, 1999
Authored by J-Dog

Latest release of J-Dog's portscan detector, now with the following features: uses nmap, queso, and nmbnamex to resolve remote "attacking/scanning" IP to a hostname, perform a tcp connect() scan on the remote host, grab the NetBIOS name of the scanner, and then use Queso to determine the OS of the remote host.

tags | remote, tcp
systems | unix
MD5 | 5fee9b4630ce5115eee8c0e82f286409
scanlogd-v1.2.c.gz
Posted Aug 17, 1999
Authored by Solar Designer

Linux scanlogd v1.2 - Linux scanlogd port scan detector. Use to detect many of the latest nmap scans.

systems | linux, unix
MD5 | 8ee915390d9d79e04002389634d3dc24
scanlogd-v1.3.c.gz
Posted Aug 17, 1999
Authored by Solar Designer

Linux scanlogd v1.3 is a port scan detector daemon for Linux that is designed to recognize all of the latest nmap scans.

systems | linux, unix
MD5 | 8f11895bb7b2c9f0e107a39363f22013
scanlogd.c.gz
Posted Aug 17, 1999
Authored by Solar Designer

scanlogd v1.1 - Linux scanlogd port scan detector.

systems | linux, unix
MD5 | af22383446f9f40cc6d2957a4014899d
tcplogd-0.1.1.tar.gz
Posted Aug 17, 1999
Authored by CyberPsychotic

tcplogd is a stealth-scan detector (TCP only). Configurable. 15k.

tags | tcp
systems | unix
MD5 | baf8a0fa54e27de371f53dfec78ee7b2
tcplogd-0.1.2.tar.gz
Posted Aug 17, 1999
Authored by CyberPsychotic

tcplogd is a stealth-scan detector (TCP only). Configurable. 15k.

tags | tcp
systems | unix
MD5 | 696d26b61c7ef65d41130da7b3f3795c
tcplogd-0.1.3.tar.gz
Posted Aug 17, 1999
Authored by CyberPsychotic

tcplogd is a stealth-scan detector (TCP only). Configurable. 15k.

tags | tcp
systems | unix
MD5 | 07070bb2a2c8cace49a450bcaddae3f1
tcplogd-0.1.4.tar.gz
Posted Aug 17, 1999
Authored by CyberPsychotic

tcplogd v0.1.4 is a stealth-scan detecting daemon that is designed to detect most nmap sX/sN/sS scans, queso and other network scanners. This release includes fixes for the port range bugs.

systems | unix
MD5 | 24e3d3179645e3d05f0432435bcff939
tcplogd-0.1.4a.tar.gz
Posted Aug 17, 1999
Authored by CyberPsychotic

tcplogd is a stealth-scan detector (TCP only). Configurable. 15k.

tags | tcp
systems | unix
MD5 | 1260c11424dfbae48f54794098c66cc7
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