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Allowing #XLSM and #XLSB files ? Stop it to save your Infra
I understand that a company having legacy systems running always. But, are you permitting XLSM and XLSB filetypes ? #STOP it as fast as possible !! Following images are from a malware packer, possibly related with latest #Zloader and other infections. Credit @DissectMalware [https://twitter.com/DissectMalware]From the 2nd screenshot it
Easy #YARA Strings #Hunting for #Malware - The Lazy Man's Way
I am not your Regular #BlueTeam #YARA #Guru who is writing yara for everything everyday. But, was assigned for a task where I need to find-out a proper Yara for a specific class of new gen malwares where AV or SHA/MD5 based IOC's are not working. Even the network
[Custom #YARA ] #XLS #macro based #malware downloader using URLDownloadToFileA
Received numbers of sample submission of invoice themed XLS which are not getting detected on VT [https://virustotal.com] properly using any reputed Anti Virus engine. There is nothing abnormal happening except it is showing following screen when opened. Pretty unusual - huh ! So, after finding few sample which is