There is no description at this point.
rule win_r980_auto { meta: author = "Felix Bilstein - yara-signator at cocacoding dot com" date = "2023-01-25" version = "1" description = "Detects win.r980." info = "autogenerated rule brought to you by yara-signator" tool = "yara-signator v0.6.0" signator_config = "callsandjumps;datarefs;binvalue" malpedia_reference = "https://malpedia.caad.fkie.fraunhofer.de/details/win.r980" malpedia_rule_date = "20230124" malpedia_hash = "2ee0eebba83dce3d019a90519f2f972c0fcf9686" malpedia_version = "20230125" malpedia_license = "CC BY-SA 4.0" malpedia_sharing = "TLP:WHITE" /* DISCLAIMER * The strings used in this rule have been automatically selected from the * disassembly of memory dumps and unpacked files, using YARA-Signator. * The code and documentation is published here: * https://github.com/fxb-cocacoding/yara-signator * As Malpedia is used as data source, please note that for a given * number of families, only single samples are documented. * This likely impacts the degree of generalization these rules will offer. * Take the described generation method also into consideration when you * apply the rules in your use cases and assign them confidence levels. */ strings: $sequence_0 = { ff7730 51 8bce ff5028 8bc8 c645fc04 e8???????? } // n = 7, score = 200 // ff7730 | push dword ptr [edi + 0x30] // 51 | push ecx // 8bce | mov ecx, esi // ff5028 | call dword ptr [eax + 0x28] // 8bc8 | mov ecx, eax // c645fc04 | mov byte ptr [ebp - 4], 4 // e8???????? | $sequence_1 = { 8d04f0 50 e8???????? 8d8f44020000 c645fc01 e8???????? 83ec30 } // n = 7, score = 200 // 8d04f0 | lea eax, [eax + esi*8] // 50 | push eax // e8???????? | // 8d8f44020000 | lea ecx, [edi + 0x244] // c645fc01 | mov byte ptr [ebp - 4], 1 // e8???????? | // 83ec30 | sub esp, 0x30 $sequence_2 = { 0fb74004 50 e8???????? 83c404 84c0 7509 ba02000000 } // n = 7, score = 200 // 0fb74004 | movzx eax, word ptr [eax + 4] // 50 | push eax // e8???????? | // 83c404 | add esp, 4 // 84c0 | test al, al // 7509 | jne 0xb // ba02000000 | mov edx, 2 $sequence_3 = { ff75c0 e8???????? 57 8d8d1cffffff e8???????? 8d8d6cffffff e8???????? } // n = 7, score = 200 // ff75c0 | push dword ptr [ebp - 0x40] // e8???????? | // 57 | push edi // 8d8d1cffffff | lea ecx, [ebp - 0xe4] // e8???????? | // 8d8d6cffffff | lea ecx, [ebp - 0x94] // e8???????? | $sequence_4 = { 8b4510 894620 c7450800000000 c7450c00000000 c7451000000000 c645fc02 f6c101 } // n = 7, score = 200 // 8b4510 | mov eax, dword ptr [ebp + 0x10] // 894620 | mov dword ptr [esi + 0x20], eax // c7450800000000 | mov dword ptr [ebp + 8], 0 // c7450c00000000 | mov dword ptr [ebp + 0xc], 0 // c7451000000000 | mov dword ptr [ebp + 0x10], 0 // c645fc02 | mov byte ptr [ebp - 4], 2 // f6c101 | test cl, 1 $sequence_5 = { ff7508 8d4704 c70700000000 50 e8???????? 83c408 8b4d0c } // n = 7, score = 200 // ff7508 | push dword ptr [ebp + 8] // 8d4704 | lea eax, [edi + 4] // c70700000000 | mov dword ptr [edi], 0 // 50 | push eax // e8???????? | // 83c408 | add esp, 8 // 8b4d0c | mov ecx, dword ptr [ebp + 0xc] $sequence_6 = { 8d45f4 64a300000000 8b7508 8d45d4 50 c745d000000000 e8???????? } // n = 7, score = 200 // 8d45f4 | lea eax, [ebp - 0xc] // 64a300000000 | mov dword ptr fs:[0], eax // 8b7508 | mov esi, dword ptr [ebp + 8] // 8d45d4 | lea eax, [ebp - 0x2c] // 50 | push eax // c745d000000000 | mov dword ptr [ebp - 0x30], 0 // e8???????? | $sequence_7 = { 50 8d45c8 8bcb 50 57 e8???????? c645fc09 } // n = 7, score = 200 // 50 | push eax // 8d45c8 | lea eax, [ebp - 0x38] // 8bcb | mov ecx, ebx // 50 | push eax // 57 | push edi // e8???????? | // c645fc09 | mov byte ptr [ebp - 4], 9 $sequence_8 = { 0f84c2fdffff 53 8bcf e8???????? 8b4f10 8b4310 8b55fc } // n = 7, score = 200 // 0f84c2fdffff | je 0xfffffdc8 // 53 | push ebx // 8bcf | mov ecx, edi // e8???????? | // 8b4f10 | mov ecx, dword ptr [edi + 0x10] // 8b4310 | mov eax, dword ptr [ebx + 0x10] // 8b55fc | mov edx, dword ptr [ebp - 4] $sequence_9 = { ff5004 8d45c8 c745c8cc2b4f00 8945ec 8b75c4 8d8544ffffff 50 } // n = 7, score = 200 // ff5004 | call dword ptr [eax + 4] // 8d45c8 | lea eax, [ebp - 0x38] // c745c8cc2b4f00 | mov dword ptr [ebp - 0x38], 0x4f2bcc // 8945ec | mov dword ptr [ebp - 0x14], eax // 8b75c4 | mov esi, dword ptr [ebp - 0x3c] // 8d8544ffffff | lea eax, [ebp - 0xbc] // 50 | push eax condition: 7 of them and filesize < 3178496 }
If your designated proposal does not fit in any other category, feel free to write a free-text in the comment field below.
Please propose all changes regarding references on the Malpedia library page
Your suggestion will be reviewed before being published. Thank you for contributing!
YYYY-MM-DD
YYYY-MM
YYYY