Generate Memory Dump from .vmss file using vmss2core
zam Previously, I’ve encountered a problem where I’m unable to copy the .vmem file for further analysis. So, the next alternative way that we can do is to use .vmss file…
linux
Check bulk IP for reverse DNS (rDNS)
Recently I’ve encounter list of IPs that are related to CoinHive. So I want to check for domains that tied to these IPs. We can do that by using dig…
Quick Note: Clear bash history completely
The file ~/.bash_history holds the history. To clear the bash history completely on the server, open terminal and type:
Suricata rule management using Oinkmaster
It is possible to download and install rules manually, but there is a much easier and quicker way to do so. There are special programs which you can use for…
Shell hiding in image files
One day, we noticed strange GET request towards our JBoss server: From the request above, you’ll quickly noticed that this attack leveraging Apache Struts vulnerability from CVE-2017-5638. The request tried…
Configuring proxy for APT in Ubuntu
Recently, I have a problem where when I tried to update Ubuntu package via apt-get, it shows HTTP 401 proxy error related.Just a note, I’m running VM using my office…
Upgrade Python packages at using pip
As you read in the title above; to update your Python packages via pip. for Linux/*nix: p/s: you may need to run as sudo. Probably. for Windows: Credit: http://stackoverflow.com/questions/2720014/upgrading-all-packages-with-pip
Shell script fails: Syntax error: “(” unexpected
There’s one time I encountered this error when executing a bash code/script: install.sh: Syntax error: "(" unexpected The script does not begin with a shebang line, so the kernel executes…
Fix Locale problem on Ubuntu
Recently, I saw this kind or error quite frequent. At first I thought that it was nothing.But eventually, it’s kinda bothering me when I see the error message :p Jul…
SNMP Cannot Find Module on Ubuntu 14.04
If you encounter error something like this: Cannot find module (SNMPv2-MIB): At line 0 in (none)Cannot find module (SNMPv2-SMI): At line 0 in (none)Cannot find module (SNMP-NOTIFICATION-MIB): At line 0…