Vstdlib s dll (vstdlib s dll (buildbot winslave01 steam rel client win32@winslave01) (buildbot winslave01 steam rel client win32@winslave01)) Valve Corporation 文件恶意软件分析

Vstdlib_s.dll (vstdlib_ s.dll (buildbot_winslave01_steam_rel_client_win32@winslave01) (buildbot_winslave01_steam_rel_client_win32@winslave01)) 文件分析

更新于 3 months ago

检查者 Malware Check

vstdlib_s.dll

哈希类型	值	操作
MD5	f7fd0acad4284dab38ba9e4b6e503f19
SHA1	2fbbfc7daa718aef7ea4f1b6b6ea3f14c7e0f982
SHA256	70d4e03aa3bd096a7d99e93d431a2492ac2bc750f9b25f7360bf110cc9acadd6
SHA512	1a44d792cee0aed1e59b12f27f3261cf1399e779ca0d8b81e817930fc03fa5e46e0d18bd2b2d6e5ea6cc518877f120b68c03f0ead1dcca5963e766510c4efda2
ImpHash	81f129b3274ed7488befa64e66b4139e

哈希类型

值

操作

MD5

f7fd0acad4284dab38ba9e4b6e503f19

SHA1

2fbbfc7daa718aef7ea4f1b6b6ea3f14c7e0f982

SHA256

70d4e03aa3bd096a7d99e93d431a2492ac2bc750f9b25f7360bf110cc9acadd6

SHA512

1a44d792cee0aed1e59b12f27f3261cf1399e779ca0d8b81e817930fc03fa5e46e0d18bd2b2d6e5ea6cc518877f120b68c03f0ead1dcca5963e766510c4efda2

ImpHash

81f129b3274ed7488befa64e66b4139e

PE 分析

基本信息

▼

映像基址	`0x3f600000`
入口点	`0x3f62df04`
编译时间	2011-07-25 17:24:15
校验和	0x0006ecc8 (实际: 0x0006ecc8)
操作系统版本	4.0
PEiD 签名	`PE32 executable (DLL) (GUI) Intel 80386, for MS Windows`
PDB 路径	`d:\buildslave\steam_rel_client_win32\build\src\vstdlib\Release\vstdlib_s.pdb`
数字签名	Chain verification from CN=Valve, OU=Digital ID Class 3 - Microsoft Software Validation v2, O=Valve, ST=Washington, C=US (serial:164773371458459290110603488100872510238, sha1:ce5ae98633be96d6244f13409492d8e77f7016ea) failed: The path could not be validated because intermediate certificate 1 expired 2019-05-20 23:59:59Z
导入	4 库 WS2_32, KERNEL32, USER32, tier0_s
导出	184 函数
资源	3 资源
节	5 节

版本信息

▼

LegalCopyright	Copyright (C) 2005 Valve Corporation
InternalName	vstdlib_ s.dll
FileVersion	01.14.66.23
CompanyName	Valve Corporation
ProductVersion	03.00.00.01
FileDescription	vstdlib_ s.dll (buildbot_winslave01_steam_rel_client_win32@winslave01) (buildbot_winslave01_steam_rel_client_win32@winslave01)
Source Control ID	1146623
OriginalFilename	vstdlib_ s.dll
ProductName	Steam
Translation	0x0409 0x04b0
CompanyName	Valve Corporation
FileDescription	vstdlib_ s.dll
FileVersion	3, 0, 0, 1
InternalName	vstdlib_ s.dll
LegalCopyright	Copyright (C) 2005 Valve Corporation
OriginalFilename	vstdlib_ s.dll
ProductName	Steam
ProductVersion	3, 0, 0, 1
Translation	0x0409 0x04b0

PE 节

▼

名称	虚拟地址	虚拟大小	原始大小	熵	特征	MD5
`.text`	`0x00001000`	338,826 bytes	339,968 bytes	6.75 (压缩)	`IMAGE_SCN_CNT_CODE\|IMAGE_SCN_MEM_EXECUTE\|IMAGE_SCN_MEM_READ`	`3DA91D0BA2C33B7FFA5FDAC5CE225B89`
`.rdata`	`0x00054000`	53,176 bytes	53,248 bytes	5.83 (正常)	`IMAGE_SCN_CNT_INITIALIZED_DATA\|IMAGE_SCN_MEM_READ`	`8EBBC5A755762111C5E55C199A2FDBB9`
`.data`	`0x00061000`	25,644 bytes	12,288 bytes	3.82 (正常)	`IMAGE_SCN_CNT_INITIALIZED_DATA\|IMAGE_SCN_MEM_READ\|IMAGE_SCN_MEM_WRITE`	`20EC389963D517E99637CB5E3F0ADF8E`
`.rsrc`	`0x00068000`	2,060 bytes	4,096 bytes	4.04 (正常)	`IMAGE_SCN_CNT_INITIALIZED_DATA\|IMAGE_SCN_MEM_READ`	`E06DE5DC3441BF869E9E2323DEEF025F`
`.reloc`	`0x00069000`	16,256 bytes	16,384 bytes	6.72 (压缩)	`IMAGE_SCN_CNT_INITIALIZED_DATA\|IMAGE_SCN_MEM_DISCARDABLE\|IMAGE_SCN_MEM_READ`	`3928ECA972B8F5E814254D158C9EBFAA`

熵分析警报

2 检测到较高熵（≥6.5）的节 - 可能存在压缩

资源分析

▼

资源总数: 3 (1,827 字节)

资源类型	数量	总大小	百分比
SCID	1	7 字节	0.4%
RT_VERSION	2	1,820 字节	99.6%

证书链分析

▼

证书 Information

产品	Steam
描述	vstdlib_ s.dll (buildbot_winslave01_steam_rel_client_win32@winslave01) (buildbot_winslave01_steam_rel_client_win32@winslave01)
文件版本	01.14.66.23
原始名称	vstdlib_ s.dll
验证状态	A certificate was explicitly revoked by its issuer.
签名者	Valve; VeriSign Class 3 Code Signing 2009-2 CA; VeriSign Class 3 Public Primary CA
内部名称	vstdlib_ s.dll
版权	Copyright (C) 2005 Valve Corporation

证书链摘要

证书 #1 主要

有效期: 1996-01-29 00:00:00 → 2028-08-01 23:59:59

签名算法: 1.2.840.113549.1.1.2

序列号: 70 BA E4 1D 10 D9 29 34 B6 38 CA 7B 03 CC BA BF

Valve #2 链

有效期: 2009-11-25 00:00:00 → 2012-11-23 23:59:59

签名算法: sha1RSA

序列号: 7B F6 32 6F 70 CB EC 34 0B F2 D1 86 8F E6 5B 1E

VeriSign Class 3 Code Signing 2009-2 CA #3 链

有效期: 2009-05-21 00:00:00 → 2019-05-20 23:59:59

签名算法: sha1RSA

序列号: 65 52 26 E1 B2 2E 18 E1 59 0F 29 85 AC 22 E7 5C

✓ 此文件已进行数字签名，证书链已验证。

签名确保文件的完整性和发布者的真实性。
时间戳证明签名的应用时间。

证书验证状态

Chain verification from CN=Valve, OU=Digital ID Class 3 - Microsoft Software Validation v2, O=Valve, ST=Washington, C=US (serial:164773371458459290110603488100872510238, sha1:ce5ae98633be96d6244f13409492d8e77f7016ea) failed: The path could not be validated because intermediate certificate 1 expired 2019-05-20 23:59:59Z

建议: 验证文件来源并确保它来自可信的发布者.

发表评论

文件名	vstdlib_s.dll
文件类型	PE32 executable (DLL) (GUI) Intel 80386, for MS Windows
扫描器版本	1.0.226.174
数据库版本	2025-09-26 23:00:20 UTC

Vstdlib_s.dll (vstdlib_ s.dll (buildbot_winslave01_steam_rel_client_win32@winslave01) (buildbot_winslave01_steam_rel_client_win32@winslave01)) 文件分析

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