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Obfuscated Files or Information | APIs and strings in some TYPEFRAME variants are RC4 encrypted. Another variant is encoded with XOR. |
Obfuscated Files or Information | UBoatRAT encrypts instructions in the payload using a simple XOR cipher. |
Obfuscated Files or Information | Uroburos can use AES and CAST-128 encryption to obfuscate resources. |
Obfuscated Files or Information | Ursnif has used an XOR-based algorithm to encrypt Tor clients dropped to disk. Ursnif droppers have also been delivered as password-protected zip files that execute base64 encoded PowerShell commands. |
Obfuscated Files or Information | Most strings in USBStealer are encrypted using 3DES and XOR and reversed. |
Obfuscated Files or Information | Valak has the ability to base64 encode and XOR encrypt strings. |
Obfuscated Files or Information | VERMIN is obfuscated using the obfuscation tool called ConfuserEx. |
Obfuscated Files or Information | A Volgmer variant is encoded using a simple XOR cipher. |
Obfuscated Files or Information | The WastedLocker payload includes encrypted strings stored within the .bss section of the binary file. |
Obfuscated Files or Information | Waterbear has used RC4 encrypted shellcode and encrypted functions. |
Obfuscated Files or Information | WhisperGate can Base64 encode strings, store downloaded files in reverse byte order, and use the Eazfuscator tool to obfuscate its third stage. |
Obfuscated Files or Information | It has encrypted the payload used for C2. |
Obfuscated Files or Information | It has used string encoding with floating point calculations. |
Obfuscated Files or Information | WindTail can be delivered as a compressed, encrypted, and encoded payload. |
Obfuscated Files or Information | Winnti for Linux can encode its configuration file with single-byte XOR encoding. |
Obfuscated Files or Information | Winnti for Windows has the ability to encrypt and compress its payload. |
Obfuscated Files or Information | Woody RAT has used Base64 encoded strings and scripts. |
Obfuscated Files or Information | A version of XTunnel introduced in July 2015 obfuscated the binary using opaque predicates and other techniques in a likely attempt to obfuscate it and bypass security products. |
Obfuscated Files or Information | YAHOYAH encrypts its configuration file using a simple algorithm. |
Obfuscated Files or Information | ZeroT has encrypted its payload with RC4. |
Obfuscated Files or Information | Zeus Panda encrypts strings with XOR. Zeus Panda also encrypts all configuration and settings in AES and RC4. |
Obfuscated Files or Information | Zox has been encoded with Base64. |
Obfuscated Files or Information | ZxxZ has been encoded to avoid detection from static analysis tools. |
Obfuscated Files or Information:Binary Padding | It used large size files to avoid detection by security solutions with hardcoded size limits. |
Obfuscated Files or Information:Binary Padding | It includes garbage code to mislead anti-malware software and researchers. |
Obfuscated Files or Information:Binary Padding | Bisonal has appended random binary data to the end of itself to generate a large binary. |
Obfuscated Files or Information:Binary Padding | Black Basta had added data prior to the Portable Executable (PE) header to prevent automatic scanners from identifying the payload. |
Obfuscated Files or Information:Binary Padding | It downloader code has included "0" characters at the end of the file to inflate the file size in a likely attempt to evade anti-virus detection. |
Obfuscated Files or Information:Binary Padding | Comnie appends a total of 64MB of garbage data to a file to deter any security products in place that may be scanning files on disk. |
Obfuscated Files or Information:Binary Padding | CORESHELL contains unused machine instructions in a likely attempt to hinder analysis. |
Obfuscated Files or Information:Binary Padding | CostaBricks has added the entire unobfuscated code of the legitimate open source application Blink to its code. |
Obfuscated Files or Information:Binary Padding | It has added extra spaces between JavaScript code characters to increase the overall file size. |
Obfuscated Files or Information:Binary Padding | A variant of Emissary appends junk data to the end of its DLL file to create a large file that may exceed the maximum size that anti-virus programs can scan. |
Obfuscated Files or Information:Binary Padding | FatDuke has been packed with junk code and strings. |
Obfuscated Files or Information:Binary Padding | It has used random junk code to obfuscate malware code. |
Obfuscated Files or Information:Binary Padding | FinFisher contains junk code in its functions in an effort to confuse disassembly programs. |
Obfuscated Files or Information:Binary Padding | It has obfuscated .NET executables by inserting junk code. |
Obfuscated Files or Information:Binary Padding | Gelsemium can use junk code to hide functions and evade detection. |
Obfuscated Files or Information:Binary Padding | Goopy has had null characters padded in its malicious DLL payload. |
Obfuscated Files or Information:Binary Padding | Grandoreiro has added BMP images to the resources section of its Portable Executable (PE) file increasing each binary to at least 300MB in size. |
Obfuscated Files or Information:Binary Padding | GrimAgent has the ability to add bytes to change the file hash. |
Obfuscated Files or Information:Binary Padding | It performed padding with null bytes before calculating its hash. |
Obfuscated Files or Information:Binary Padding | Javali can use large obfuscated libraries to hinder detection and analysis. |
Obfuscated Files or Information:Binary Padding | Before writing to disk, Kwampirs inserts a randomly generated string into the middle of the decrypted payload in an attempt to evade hash-based detections. |
Obfuscated Files or Information:Binary Padding | It has inserted garbage characters into code, presumably to avoid anti-virus detection. |
Obfuscated Files or Information:Binary Padding | Maze has inserted large blocks of junk code, including some components to decrypt strings and other important information for later in the encryption process. |
Obfuscated Files or Information:Binary Padding | It has been known to employ binary padding. |
Obfuscated Files or Information:Binary Padding | It has used junk code within their DLL files to hinder analysis. |
Obfuscated Files or Information:Binary Padding | It apparently altered NDiskMonitor samples by adding four bytes of random letters in a likely attempt to change the file hashes. |
Obfuscated Files or Information:Binary Padding | POWERSTATS has used useless code blocks to counter analysis. |
Obfuscated Files or Information:Binary Padding | QakBot can use large file sizes to evade detection. |
Obfuscated Files or Information:Binary Padding | Rifdoor has added four additional bytes of data upon launching, then saved the changed version as C:\ProgramData\Initech\Initech.exe. |
Obfuscated Files or Information:Binary Padding | SamSam has used garbage code to pad some of its malware components. |
Obfuscated Files or Information:Binary Padding | Snip3 can obfuscate strings using junk Chinese characters. |
Obfuscated Files or Information:Binary Padding | TAINTEDSCRIBE can execute FileRecvWriteRand to append random bytes to the end of a file received from C2. |
Obfuscated Files or Information:Binary Padding | WastedLocker contains junk code to increase its entropy and hide the actual code. |
Obfuscated Files or Information:Binary Padding | A version of XTunnel introduced in July 2015 inserted junk code into the binary in a likely attempt to obfuscate it and bypass security products. |
Obfuscated Files or Information:Binary Padding | yty contains junk code in its binary, likely to confuse malware analysts. |
Obfuscated Files or Information:Binary Padding | ZeroT has obfuscated DLLs and functions using dummy API calls inserted between real instructions. |
Obfuscated Files or Information:Software Packing | During the 2016 Ukraine Electric Power Attack, It used UPX to pack a copy of Mimikatz. |
Obfuscated Files or Information:Software Packing | Anchor has come with a packed payload. |
Obfuscated Files or Information:Software Packing | It has used the Themida packer to obfuscate malicious payloads. |
Obfuscated Files or Information:Software Packing | AppleSeed has used UPX packers for its payload DLL. |
Obfuscated Files or Information:Software Packing | It used UPX to pack files. |
Obfuscated Files or Information:Software Packing | It has been known to pack their tools. |
Obfuscated Files or Information:Software Packing | It has used several code packing methods such as Themida, Enigma, VMProtect, and Obsidium, to pack their implants. |
Obfuscated Files or Information:Software Packing | It has packed tools with UPX, and has repacked a modified version of Mimikatz to thwart anti-virus detection. |
Obfuscated Files or Information:Software Packing | Astaroth uses a software packer called Pe123\RPolyCryptor. |
Obfuscated Files or Information:Software Packing | Versions of Babuk have been packed. |
Obfuscated Files or Information:Software Packing | Bazar has a variant with a packed payload. |
Obfuscated Files or Information:Software Packing | Bisonal has used the MPRESS packer and similar tools for obfuscation. |
Obfuscated Files or Information:Software Packing | BLINDINGCAN has been packed with the UPX packer. |
Obfuscated Files or Information:Software Packing | During C0017, It used VMProtect to slow the reverse engineering of malicious binaries. |
Obfuscated Files or Information:Software Packing | China Chopper's client component is packed with UPX. |
Obfuscated Files or Information:Software Packing | Clop has been packed to help avoid detection. |
Obfuscated Files or Information:Software Packing | CostaBricks can implement a custom-built virtual machine mechanism to obfuscate its code. |
Obfuscated Files or Information:Software Packing | CSPY Downloader has been packed with UPX. |
Obfuscated Files or Information:Software Packing | Cuba has a packed payload when delivered. |
Obfuscated Files or Information:Software Packing | It has used UPX to pack Bandook. |
Obfuscated Files or Information:Software Packing | DarkComet has the option to compress its payload using UPX or MPRESS. |
Obfuscated Files or Information:Software Packing | A version of Daserf uses the MPRESS packer. |
Obfuscated Files or Information:Software Packing | Dok is packed with an UPX executable packer. |
Obfuscated Files or Information:Software Packing | Donut can generate packed code modules. |
Obfuscated Files or Information:Software Packing | DRATzarus's dropper can be packed with UPX. |
Obfuscated Files or Information:Software Packing | Dyre has been delivered with encrypted resources and must be unpacked for execution. |
Obfuscated Files or Information:Software Packing | Egregor's payloads are custom-packed, archived and encrypted to prevent analysis. |
Obfuscated Files or Information:Software Packing | It has packed malware payloads before delivery to victims. |
Obfuscated Files or Information:Software Packing | It has packed malware to help avoid detection. |
Obfuscated Files or Information:Software Packing | Emotet has used custom packers to protect its payloads. |
Obfuscated Files or Information:Software Packing | FatDuke has been regularly repacked by its operators to create large binaries and evade detection. |
Obfuscated Files or Information:Software Packing | A FinFisher variant uses a custom packer. |
Obfuscated Files or Information:Software Packing | FYAnti has used ConfuserEx to pack its .NET module. |
Obfuscated Files or Information:Software Packing | It packed some payloads using different types of packers, both known and custom. |
Obfuscated Files or Information:Software Packing | GoldMax has been packed for obfuscation. |
Obfuscated Files or Information:Software Packing | GreyEnergy is packed for obfuscation. |
Obfuscated Files or Information:Software Packing | H1N1 uses a custom packing algorithm. |
Obfuscated Files or Information:Software Packing | Hildegard has packed ELF files into other binaries. |
Obfuscated Files or Information:Software Packing | HotCroissant has used the open source UPX executable packer. |
Obfuscated Files or Information:Software Packing | HyperBro has the ability to pack its payload. |
Obfuscated Files or Information:Software Packing | IcedID has packed and encrypted its loader module. |
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