YARA · Malpedia signator rules
MALPEDIA_Win_Kegotip_Auto
autogenerated rule brought to you by yara-signator
MalwareKegotipMalpedia signator rulesCreative Commons Attribution-ShareAlike 4.0Compiles with YARA-X
- Author
- Felix Bilstein - yara-signator at cocacoding dot com
- Date
- 2026-05-04
- Modified
- 2026-05-18
- Score / Quality
- 75 / 75
What this rule detects
autogenerated rule brought to you by yara-signator
Associated malware family: Kegotip.
It defines 10 patterns (0 text, 10 hex, 0 regex).
Summary generated from the rule's metadata and condition.
Rule source
win-kegotip-auto.yarCreative Commons Attribution-ShareAlike 4.0
rule MALPEDIA_Win_Kegotip_Auto : FILE
{
meta:
= "autogenerated rule brought to you by yara-signator"
= "Felix Bilstein - yara-signator at cocacoding dot com"
= "a3a248cc-b997-575f-ad2e-565db9605781"
= "2026-05-04"
= "2026-05-18"
= "https://malpedia.caad.fkie.fraunhofer.de/details/win.kegotip"
= "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.kegotip_auto.yar#L1-L121"
= "N/A"
= "eae1cffe4e8dfa27f32726651b27b3a820b1c9cf25bb1c87b8c1c6317b5ebea2"
= 75
= 75
= "FILE"
= "1"
= "yara-signator v0.6.0"
= "callsandjumps;datarefs;binvalue"
= "20260422"
= "a182e35da64e6d71cb55f125c4d4225196523f14"
= "20260504"
= "CC BY-SA 4.0"
= "TLP:WHITE"
strings:
$sequence_0 = { 6800800000 6a00 ff15???????? a3???????? 833d????????00 752d 8b0d???????? }
$sequence_1 = { 50 64892500000000 81c4e4feffff 53 }
$sequence_2 = { 83c408 8d95f8feffff 52 8b4508 50 ff15???????? }
$sequence_3 = { c78570ffffff01000000 8b9570ffffff 895580 8b4580 6bc014 }
$sequence_4 = { 7408 8b450c 3b4514 7604 }
$sequence_5 = { 8b4d08 034d8c 0fb611 52 e8???????? 83c404 0fb6c0 }
$sequence_6 = { c785f8fdffffff000000 eb09 8b4510 8985f8fdffff 8b8df8fdffff 894d10 }
$sequence_7 = { 8dbd4cfbffff f3a5 a4 a1???????? 898540fbffff b915000000 }
$sequence_8 = { 56 8b4508 0fb608 894df8 8b55f8 c1e208 }
$sequence_9 = { 3b4dfc 7324 8b5510 0355e4 8b45f4 0345f8 }
condition:
7 of them and filesize < 278528
}
Strings (10 patterns)
| Identifier | Type | Value | Modifiers |
|---|---|---|---|
| $sequence_0 | hex | { 6800800000 6a00 ff15???????? a3???????? 833d????????00 752d 8b0d???????? } | |
| $sequence_1 | hex | { 50 64892500000000 81c4e4feffff 53 } | |
| $sequence_2 | hex | { 83c408 8d95f8feffff 52 8b4508 50 ff15???????? } | |
| $sequence_3 | hex | { c78570ffffff01000000 8b9570ffffff 895580 8b4580 6bc014 } | |
| $sequence_4 | hex | { 7408 8b450c 3b4514 7604 } | |
| $sequence_5 | hex | { 8b4d08 034d8c 0fb611 52 e8???????? 83c404 0fb6c0 } | |
| $sequence_6 | hex | { c785f8fdffffff000000 eb09 8b4510 8985f8fdffff 8b8df8fdffff 894d10 } | |
| $sequence_7 | hex | { 8dbd4cfbffff f3a5 a4 a1???????? 898540fbffff b915000000 } | |
| $sequence_8 | hex | { 56 8b4508 0fb608 894df8 8b55f8 c1e208 } | |
| $sequence_9 | hex | { 3b4dfc 7324 8b5510 0355e4 8b45f4 0345f8 } |
Condition
7 of them and filesize < 278528In plain words (Heuristic)
- The file must be smaller than 278528 (a cheap guard that skips large files).
- At least 7 patterns in the rule must match.
Test this rule in your browser
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Licence & attribution
Author: Felix Bilstein - yara-signator at cocacoding dot com
Source repository: Malpedia signator rules @ c901f97b7d
Licence: Creative Commons Attribution-ShareAlike 4.0 (repository licence)
Mirrored via YARA Forge 20260927, which prefixes rule names with the source and adds normalised meta fields.
Rule id: a3a248cc-b997-575f-ad2e-565db9605781
Metadata
| version | 1 |
|---|---|
| tool | yara-signator v0.6.0 |
| signator_config | callsandjumps;datarefs;binvalue |
| malpedia_rule_date | 20260422 |
| malpedia_hash | a182e35da64e6d71cb55f125c4d4225196523f14 |
| malpedia_version | 20260504 |
| malpedia_license | CC BY-SA 4.0 |
| malpedia_sharing | TLP:WHITE |
Tags:FILE
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