Collections of tools:
Malicious code analysis
Advanced Process Analysis and Identification System
NeSSi2

Antivirus laboratories:
Subsections follow.

1. General:
How to Report Malware or False Positives to Multiple Antivirus Vendors
support@emsisoft.com
newvirus@kaspersky.com
virus@avira.com
UploadMalware.com
False Positive Report
X-Ray (submit files simultaneously to many labs)
More

2. Online form:
Kaspersky
BitDefender
ESET
F-Secure
Microsoft
Avira
AVG
Dr.WEB
GFI
Sophos
Lavasoft
Emsisoft
eScan
Zoner

Feature settings tests for anti-malware programs:
Feature Settings Check for Desktop Solutions
Eicar AntiVirus test file

Tests for specific infections:
DNS Changer
Conficker
Mahdi
Palida Narrow (for Gauss): 1; 2
GameOverZeus

Test spyware:
Spycar
Scoundrel Simulator

System shutdown test:
ZeroDay test

Keylogger/screencapture/webcam etc. tests:
Zemana
Anti-Keylogger Tester (AKLT)
SpyShelter
Simple keylogger leaktest
Microsoft
javascript-keylogger

HIPS/firewall tests:
Comodo
Matousec; Matousec Personal Firewall Tests Analyzed

Buffer overflow test:
Comodo

Firewall/port tester:
Thunderspy
ShieldsUP
AuditmyPC 
Hackerwatch 
SG Security Scan
MBTEST

Router crash test:
Router Crash Test

DNS security test:
DNS Nameserver Spoofability Test
Web-based DNS Randomness Test

Email:
GFI Email Security Test
Analyse Email Header To Show Route Taken

Other security tests:
Test my PC
PC Flank
BrowserSpy
AutoSandbox Test Tool
Vulnerability Test File
Proof-of-Concept Shell Link
Bypass Windows 7 x86/x64 UAC Fully Patched
Bypassing Windows AppLocker using VB script in Word and Excel
Need a PoC to Test Your Security Setup? Not Necessarily…
THC-SSL-DOS
PC Security Test

Anti-rootkit tests:
Hideproc
Demo Rootkits

Process termination:
Simple process termination leaktest

Browser tests:
Browserscrope
Popup Check
PopupTest
Panopticlick
BrowserLeaks

Test sites:
AV-Comparatives
AV-TEST
CheckLab
Virus Bulletin
ICSA Labs
West Coast Labs
Anti-Malware-Test.com
Shadow Server
PCSL - PC Security Labs
Remove-malware
MRG Effitas
Antivirusware
Matousec
Kareldjag
eThreatz Automated Malware Testing

Info and tools on malware analysis:
Malware Threat Center
Malzilla
AMTSO
SARVAM 
Simseer 
#totalhash 
ThreatExpert Online Side-Effect Scanner
Kahu Security
More

Real-time analysis for sandboxed malware:
Buster Sandbox Analyzer
Noriben

Extractors:
Universal extractor
StuffIt Expander
ExtractNow
MSI Extractor

Malware samples and hostile sites:
Malware Domain List
Clean MX realtime
Malc0de Database
VirusSign
MalwareBlacklist
Malware Patrol
Phishtank
CRDF Threat Center
Exposure
Scumware
Xylibox
More

GSI parser:
Getsysteminfo

View HTTP request and response header:
Web sniffer
Modify Headers (FF)
HTTPNetworkSniffer
HTTP Request Logger (FF)

Read/Post comments