Collaborate Disseminate
Computer memory is a problem that has been solved for many years. But early on, it was more than just a small problem. We’ve many of the different kinds at …read more Continue reading Hard(er) Drives: Impractical, Slow, Amazing, and Incredible
What is the token generated when you create a snort rule that will detect all icmp traffic?
I’m learning about data exfiltration using ICMP and delivery of a payload is generally done using the -p "pad bytes" in ping -c 1 -p $encoded_payload. Are there often legitimate use for "pad bytes"? Can it simply be str… Continue reading Can the ICMP "pad" safely be stripped in most situations for defense?
We’ve all been online from home a bit more than usual lately, in ways that often stretch the limits of what our ISP can muster. You know the signs — …read more Continue reading That Clock on the Wall is Actually a Network Ping Display
The earliest stored program computer in the modern sense was not one of the names such as ENIAC or Colossus that you might expect, but the Manchester Baby, an experimental …read more Continue reading An Entire Computer In ICMP Packets
I need to send ICMPv6 echo request with payload of size greater than 65535 bytes. To test ping of death attack.
I tried below scapy codes but got errors
pkt=IPv6(src=src1, dst=dst1)/IPv6ExtHdrHopByHop(options=Jumbo(jumboplen=66000))/ICMPv6… Continue reading How to create icmpv6 ping of death packet using scapy?
The rejected ICMP requests have been logged on the firewall of my router.
IN=ppp*** Direction=OUT Public->Local PROTO=ICMP Type=8 CODE=0 DST is
my WAN IP, and I’m in a CGNAT.
It sends one request every minute, and I get "general … Continue reading ICMP Echo Requests Every Minute from an IP Address
I recently came across a topic of network steganography, mostly connected with modifying the headers of IP, TCP, ICMP. I was looking for some real-world examples of malware that uses it. I only found two ICMP related examples – Nanolocker … Continue reading Real-world application of network steganography
I have found out, that my Router firewall has never blocked ICMP traffic.
There is a lot of opinions online regarding ICMP, and whether it should be disabled or limited.
So far I have found out, that it can exploited to monitor network tra… Continue reading Router firewall ICMP risks and threats? [closed]
By Keith Jones, Anthony Kasza and Ben Reardon, Security Researchers, Corelight Introduction Recently, Trustwave reported on a new malware family which they discovered during a breach investigation. The backdoor, dubbed Pingback, executes on Windows sys… Continue reading Pingback: ICMP Tunneling Malware